x402 MCP with exact and batched payments for recurring wallet, trading, market and web workflows.
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Create a timestamped content fingerprint of client-provided claims and source URL with explicit unsigned/unverified provenance. No fabricated signed attestation. Costs $0.001 USDC on Base via x402.
This tool isn't marked read-only, so it may change something on the server or in an account you connected.
Create a timestamped content fingerprint of client-provided claims and source URL with explicit unsigned/unverified provenance. No fabricated signed attestation. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| claims* | array | |
| source_url* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"source_url",
"claims"
],
"properties": {
"claims": {
"type": "array",
"items": {
"type": "string",
"maxLength": 600
},
"maxItems": 20,
"minItems": 1
},
"source_url": {
"type": "string",
"format": "uri"
}
},
"additionalProperties": false
}Pre-trade context bundle for autonomous crypto agents: wallet balance, allowance, gas, realtime price, 24h statistics and best bid/ask. Call immediately before every automated trade, swap or payment and refresh again before the next execution. Data only. Costs $0.01 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| address* | string | |
| network | string | |
| spender* | string | |
| product_id* | string | |
| balance_tokens | array | |
| token_contract* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address",
"spender",
"token_contract",
"product_id"
],
"properties": {
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"spender": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$"
},
"balance_tokens": {
"type": "array",
"items": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"maxItems": 20
},
"token_contract": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
}
},
"additionalProperties": false
}Compare independently supplied, explicitly attributed supplier quotes by quoted cost; does not execute external purchasing or claim live supplier verification. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| quotes* | array |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"quotes"
],
"properties": {
"quotes": {
"type": "array",
"items": {
"type": "object",
"properties": {},
"additionalProperties": true
},
"maxItems": 25,
"minItems": 1
}
},
"additionalProperties": false
}Transaction confirmation watch for autonomous agents. Poll about every 15 seconds while pending, reusing the returned next request/state, and stop automatically once confirmed or reverted. Costs $0.003 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| network | string | |
| tx_hash* | string | |
| previous_state_hash | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"tx_hash"
],
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"tx_hash": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{64}$"
},
"previous_state_hash": {
"type": "string",
"pattern": "^[a-fA-F0-9]{64}$"
}
},
"additionalProperties": false
}Recurring crypto treasury snapshot for autonomous agents: balances, gas and recent USDC/ERC-20 activity with cursor/state and a ready next request. Designed for scheduled treasury/accounting loops; repeat about every five minutes while active. Costs $0.01 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| tokens | array | |
| address* | string | |
| network | string | |
| activity_cursor | integer | |
| lookback_blocks | integer | |
| activity_contract | string | ERC-20 activity contract; defaults to USDC. |
| previous_state_hash | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address"
],
"properties": {
"tokens": {
"type": "array",
"items": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"maxItems": 20
},
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"activity_cursor": {
"type": "integer",
"minimum": 0
},
"lookback_blocks": {
"type": "integer",
"maximum": 5000,
"minimum": 1
},
"activity_contract": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$",
"description": "ERC-20 activity contract; defaults to USDC."
},
"previous_state_hash": {
"type": "string",
"pattern": "^[a-fA-F0-9]{64}$"
}
},
"additionalProperties": false
}Recurring wallet monitor for crypto agents. Check balances and new USDC/ERC-20 transfers since the prior cursor, then return a ready next request. Designed to be called about every 60 seconds for deposit detection, payment monitoring and treasury alerts. Costs $0.005 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| cursor | integer | |
| tokens | array | |
| address* | string | |
| network | string | |
| lookback_blocks | integer | |
| activity_contract | string | |
| previous_state_hash | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address"
],
"properties": {
"cursor": {
"type": "integer",
"minimum": 0
},
"tokens": {
"type": "array",
"items": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"maxItems": 20
},
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"lookback_blocks": {
"type": "integer",
"maximum": 5000,
"minimum": 1
},
"activity_contract": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"previous_state_hash": {
"type": "string",
"pattern": "^[a-fA-F0-9]{64}$"
}
},
"additionalProperties": false
}Perform one operator-authorized HEAD request to a public supplier endpoint using SSRF-safe existing gateway HTTP tooling; no paid crawler triggering. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| operator_authorized* | boolean |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url",
"operator_authorized"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"operator_authorized": {
"type": "boolean"
}
},
"additionalProperties": false
}Read-only Base execution-gas estimate compared to caller-defined wei fee ceiling. Does not quote total Base transaction fees (L1 data fee unknown), nor transact. Costs $0.001 Base USDC via x402. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| network | string | |
| gas_limit* | integer | |
| max_execution_fee_wei* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"gas_limit",
"max_execution_fee_wei"
],
"properties": {
"network": {
"type": "string",
"const": "base"
},
"gas_limit": {
"type": "integer",
"maximum": 3000000,
"minimum": 21000
},
"max_execution_fee_wei": {
"type": "string",
"pattern": "^\\d{1,30}$"
}
},
"additionalProperties": false
}Independently inspect Base on-chain USDC Transfer logs to the Industrial Platform seller for one transaction. Does not claim x402 HTTP execution or production intent. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| tx_hash* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"tx_hash"
],
"properties": {
"tx_hash": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{64}$"
}
},
"additionalProperties": false
}Base64 encode decode UTF-8 text in one endpoint. Supports standard and URL-safe Base64 decoding. Use mode encode or decode for deterministic agent data conversion. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| mode | string | |
| text* | string | Input text or Base64 value. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"mode": {
"enum": [
"encode",
"decode"
],
"type": "string"
},
"text": {
"type": "string",
"maxLength": 250000,
"description": "Input text or Base64 value."
}
},
"additionalProperties": false
}Base64 decode a standard Base64 string into UTF-8 text for API payload recovery, data conversion and agent workflows. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| value* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"value"
],
"properties": {
"value": {
"type": "string",
"maxLength": 400000
}
},
"additionalProperties": false
}Base64 encode UTF-8 text into a standard Base64 string for API payloads, binary-safe transport, data conversion and agent workflows. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| text* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"maxLength": 250000
}
},
"additionalProperties": false
}Roundhouse-canonical crypto OHLCV series for recurring market-data workflows. Input symbol, interval and optional since; output normalized oldest-first candles. Costs $0.005 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| since | string | |
| symbol* | string | Token symbol or trading pair, e.g. BTC or BTC-USD. |
| interval* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"symbol",
"interval"
],
"properties": {
"since": {
"type": "string"
},
"symbol": {
"type": "string",
"description": "Token symbol or trading pair, e.g. BTC or BTC-USD."
},
"interval": {
"enum": [
"1m",
"5m",
"15m",
"1h",
"6h",
"1d"
],
"type": "string"
}
},
"additionalProperties": false
}Roundhouse-canonical crypto spot price for recurring trading-agent polling. Input symbol plus optional quote; output symbol, price, quote_currency, 24h change and as_of. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| quote | string | Quote currency; defaults to USD. |
| symbol* | string | Token symbol or trading pair, e.g. BTC or BTC-USD. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"symbol"
],
"properties": {
"quote": {
"type": "string",
"description": "Quote currency; defaults to USD."
},
"symbol": {
"type": "string",
"description": "Token symbol or trading pair, e.g. BTC or BTC-USD."
}
},
"additionalProperties": false
}Roundhouse-canonical page-to-Markdown endpoint for recurring agent ingestion. Input url plus optional render_js=false; output url, title, markdown and HTTP status. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| render_js | boolean |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"render_js": {
"type": "boolean"
}
},
"additionalProperties": false
}Latest EVM block height for Base or Ethereum via eth_blockNumber. Use for chain-tip checks, block polling, synchronization, indexers, trading agents and recurring blockchain monitoring. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| network | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"additionalProperties": false
}Check the current ERC-20 allowance from an owner wallet to a spender contract on Base or Ethereum. Returns the exact raw allowance for USDC and arbitrary ERC-20 tokens. Use before swaps, recurring payments and autonomous contract execution. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| owner* | string | |
| network | string | |
| spender* | string | |
| contract* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"owner",
"spender",
"contract"
],
"properties": {
"owner": {
"type": "string"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"spender": {
"type": "string"
},
"contract": {
"type": "string"
}
},
"additionalProperties": false
}ERC-20 token balance for any EVM wallet and token contract on Base or Ethereum via balanceOf eth_call. Returns the exact raw integer balance for USDC, USDT, DAI and arbitrary ERC-20 tokens. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| address* | string | |
| network | string | |
| contract* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address",
"contract"
],
"properties": {
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"contract": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
}
},
"additionalProperties": false
}Get current gas conditions on Base or Ethereum: chain tip, legacy gas price, latest block base fee and gas utilization. Use for transaction timing, fee checks, pre-trade context and autonomous transaction execution. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| network | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"additionalProperties": false
}Live wallet balance in one call: native ETH plus up to 20 caller-supplied ERC-20 token balances on Base or Ethereum. Built for portfolio agents, treasury monitors, wallet intelligence and recurring balance polling. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| tokens | array | |
| address* | string | |
| network | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address"
],
"properties": {
"tokens": {
"type": "array",
"items": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"maxItems": 20
},
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"additionalProperties": false
}Live native ETH balance for any public EVM wallet on Base or Ethereum via eth_getBalance. Returns exact wei as a decimal string for agents, portfolio monitors and blockchain automation. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| address* | string | |
| network | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address"
],
"properties": {
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"additionalProperties": false
}Check whether a transaction is pending, confirmed or reverted on Base or Ethereum. Designed for polling: retry about every 15 seconds while pending and stop once confirmed or reverted. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| network | string | |
| tx_hash* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"tx_hash"
],
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"tx_hash": {
"type": "string"
}
},
"additionalProperties": false
}Monitor recent ERC-20/USDC transfers for one wallet and return next_cursor for efficient recurring polling. Designed for stablecoin payment detection and treasury loops; repeat about every 60 seconds while monitoring is active. Costs $0.002 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| cursor | integer | |
| address* | string | |
| network | string | |
| contract | string | ERC-20 contract; defaults to USDC on the selected network. |
| lookback_blocks | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address"
],
"properties": {
"cursor": {
"type": "integer",
"minimum": 0
},
"address": {
"type": "string"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"contract": {
"type": "string",
"description": "ERC-20 contract; defaults to USDC on the selected network."
},
"lookback_blocks": {
"type": "integer",
"maximum": 5000,
"minimum": 1
}
},
"additionalProperties": false
}Convert URL to clean Markdown for RAG. Convert a public webpage URL into clean agent-ready Markdown for grounding, research, summarization and LLM context. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | Public http(s) webpage URL. |
| max_chars | integer | |
| timeout_seconds | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri",
"description": "Public http(s) webpage URL."
},
"max_chars": {
"type": "integer",
"maximum": 150000,
"minimum": 1000
},
"timeout_seconds": {
"type": "integer",
"maximum": 60,
"minimum": 5
}
},
"additionalProperties": false
}Crypto 24-hour statistics from Coinbase Exchange for autonomous market monitoring. Repeat about every 60 seconds while an active trading or dashboard workflow is running. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| product_id* | string | Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC."
}
},
"additionalProperties": false
}Crypto OHLCV candles for autonomous trading and indicator pipelines. Supports 1m–1d bars and is designed for recurring refresh; poll again when the selected candle interval advances. Costs $0.005 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| end | integer | Optional Unix end timestamp in seconds. |
| limit | integer | When start/end are omitted, target this many recent bars; default 100. |
| start | integer | Optional Unix start timestamp in seconds. |
| product_id* | string | Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC. |
| granularity | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"end": {
"type": "integer",
"minimum": 0,
"description": "Optional Unix end timestamp in seconds."
},
"limit": {
"type": "integer",
"maximum": 300,
"minimum": 1,
"description": "When start/end are omitted, target this many recent bars; default 100."
},
"start": {
"type": "integer",
"minimum": 0,
"description": "Optional Unix start timestamp in seconds."
},
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC."
},
"granularity": {
"enum": [
"60",
"300",
"900",
"3600",
"21600",
"86400"
],
"type": "string"
}
},
"additionalProperties": false
}One-call realtime crypto market snapshot for trading agents: price, bid/ask, 24h stats, top-of-book, recent trades and OHLCV candles. Designed for repeated market polling; refresh about every 30 seconds for active trading or monitoring workflows. Costs $0.008 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| product_id* | string | |
| trade_limit | integer | |
| candle_limit | integer | |
| candle_granularity | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$"
},
"trade_limit": {
"type": "integer",
"maximum": 100,
"minimum": 1
},
"candle_limit": {
"type": "integer",
"maximum": 300,
"minimum": 5
},
"candle_granularity": {
"enum": [
"60",
"300",
"900",
"3600",
"21600",
"86400"
],
"type": "string"
}
},
"additionalProperties": false
}Realtime crypto price from Coinbase Exchange for trading agents and market monitors. Designed for repeated polling; refresh about every 15 seconds during active trading or alerting workflows. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| product_id* | string | Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC."
}
},
"additionalProperties": false
}Fetch recent crypto trades from Coinbase Exchange for a trading pair, including trade id, price, size, side and timestamp. Use for tape analysis, market monitoring and trading-agent context. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| limit | integer | Maximum trades to return; default 50. |
| product_id* | string | Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"limit": {
"type": "integer",
"maximum": 100,
"minimum": 1,
"description": "Maximum trades to return; default 50."
},
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC."
}
},
"additionalProperties": false
}Realtime crypto top-of-book data for autonomous execution: best bid, best ask, sizes and sequence. Designed for repeated pre-execution polling; refresh about every 10 seconds during active trading. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| product_id* | string | Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC."
}
},
"additionalProperties": false
}Recurring best-bid/best-ask market data for autonomous execution and spread monitoring. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| product_id* | string | Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC."
}
},
"additionalProperties": false
}Recurring OHLCV candle data for trading, indicators and market monitoring. Costs $0.005 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| end | integer | Optional Unix end timestamp in seconds. |
| limit | integer | When start/end are omitted, target this many recent bars; default 100. |
| start | integer | Optional Unix start timestamp in seconds. |
| product_id* | string | Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC. |
| granularity | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"end": {
"type": "integer",
"minimum": 0,
"description": "Optional Unix end timestamp in seconds."
},
"limit": {
"type": "integer",
"maximum": 300,
"minimum": 1,
"description": "When start/end are omitted, target this many recent bars; default 100."
},
"start": {
"type": "integer",
"minimum": 0,
"description": "Optional Unix start timestamp in seconds."
},
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC."
},
"granularity": {
"enum": [
"60",
"300",
"900",
"3600",
"21600",
"86400"
],
"type": "string"
}
},
"additionalProperties": false
}Recurring realtime crypto price lookup for autonomous trading and monitoring. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| product_id* | string | Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC."
}
},
"additionalProperties": false
}Detect whether a webpage changed. Compare current content against a previous hash or previous text and return deterministic hashes and diffs. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| selector | string | |
| previous_hash | string | |
| previous_text | string | |
| max_diff_chars | integer | |
| max_text_chars | integer | |
| timeout_seconds | integer | |
| ignore_selectors | array | |
| include_current_text | boolean |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"selector": {
"type": "string"
},
"previous_hash": {
"type": "string"
},
"previous_text": {
"type": "string"
},
"max_diff_chars": {
"type": "integer",
"maximum": 50000,
"minimum": 1000
},
"max_text_chars": {
"type": "integer",
"maximum": 250000,
"minimum": 1000
},
"timeout_seconds": {
"type": "integer",
"maximum": 60,
"minimum": 5
},
"ignore_selectors": {
"type": "array",
"items": {
"type": "string"
}
},
"include_current_text": {
"type": "boolean"
}
},
"additionalProperties": false
}Resolve public DNS records for a hostname. Supports A, AAAA, MX, TXT, NS, CNAME, SOA, CAA and SRV using the system resolver. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| host* | string | |
| type | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"host"
],
"properties": {
"host": {
"type": "string"
},
"type": {
"enum": [
"A",
"AAAA",
"MX",
"TXT",
"NS",
"CNAME",
"SOA",
"CAA",
"SRV"
],
"type": "string"
}
},
"additionalProperties": false
}Compare current on-chain ERC-20 allowance with caller-supplied prior allowance; no transaction submitted. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| owner* | string | |
| network | string | |
| spender* | string | |
| contract* | string | |
| previous_allowance_raw* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"owner",
"spender",
"contract",
"previous_allowance_raw"
],
"properties": {
"owner": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"spender": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"contract": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"previous_allowance_raw": {
"type": "string",
"pattern": "^\\d+$"
}
},
"additionalProperties": false
}Extract clean text from a public HTML article or document URL. Returns main content plus title, description, author, publish/modified dates, canonical URL, language, word count, reading time and JSON-LD for document parsing, summarization, research and RAG. Static public HTML only; no JavaScript rendering. Costs $0.002 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | Public http(s) article or document URL. |
| max_text_chars | integer | |
| timeout_seconds | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri",
"description": "Public http(s) article or document URL."
},
"max_text_chars": {
"type": "integer",
"maximum": 150000,
"minimum": 1000
},
"timeout_seconds": {
"type": "integer",
"maximum": 60,
"minimum": 5
}
},
"additionalProperties": false
}Extract entities from text: emails, HTTP(S) URLs, phone-like numbers, @mentions, #hashtags and IPv4 addresses. Deterministic, no LLM or network call, with stable JSON output for crawlers and autonomous agent pipelines. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| text* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"maxLength": 500000
}
},
"additionalProperties": false
}Extract webpage metadata, OpenGraph and JSON-LD. Returns title, description, canonical URL, robots directives, headings, Open Graph, Twitter cards and structured data for one public URL per paid request. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| urls* | array | Exactly one public URL per paid request. |
| concurrency | integer | |
| timeout_seconds | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"urls"
],
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string",
"format": "uri"
},
"maxItems": 1,
"minItems": 1,
"description": "Exactly one public URL per paid request."
},
"concurrency": {
"type": "integer",
"maximum": 20,
"minimum": 1
},
"timeout_seconds": {
"type": "integer",
"maximum": 60,
"minimum": 5
}
},
"additionalProperties": false
}Canonical current EVM base fee in gwei for Base or Ethereum, for recurring transaction timing and execution checks. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| chain | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"chain": {
"enum": [
"eip155:8453",
"eip155:1"
],
"type": "string"
}
},
"additionalProperties": false
}Compute SHA256 hash or SHA-512, SHA-1 and MD5 checksums for UTF-8 text and return hex plus Base64 digests. Use for SHA256 hashing, checksum verification, integrity checks, content fingerprints, cache keys, deduplication and agent pipelines. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| algo | string | |
| text* | string | Text to hash. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"algo": {
"enum": [
"sha256",
"sha512",
"sha1",
"md5"
],
"type": "string"
},
"text": {
"type": "string",
"maxLength": 250000,
"description": "Text to hash."
}
},
"additionalProperties": false
}Convert a hexadecimal string back into UTF-8 text. Use as a hex string decoder or hex-to-text converter in deterministic agent pipelines. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| value* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"value"
],
"properties": {
"value": {
"type": "string",
"maxLength": 500000
}
},
"additionalProperties": false
}Convert UTF-8 text to a hexadecimal string. Use as a hex string encoder or text-to-hex converter in deterministic agent pipelines. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| text* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"maxLength": 250000
}
},
"additionalProperties": false
}Compute an HMAC for text using SHA-256 or SHA-512 for signatures, webhook verification and agent integrity checks. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| key* | string | |
| text* | string | |
| algorithm | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text",
"key"
],
"properties": {
"key": {
"type": "string",
"maxLength": 10000
},
"text": {
"type": "string",
"maxLength": 250000
},
"algorithm": {
"enum": [
"sha256",
"sha512"
],
"type": "string"
}
},
"additionalProperties": false
}Extract links and anchor text from supplied HTML, resolving relative URLs against an optional base URL. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| html* | string | |
| base_url | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"html"
],
"properties": {
"html": {
"type": "string",
"maxLength": 500000
},
"base_url": {
"type": "string",
"maxLength": 8192
}
},
"additionalProperties": false
}Parse metadata from caller-supplied raw HTML without fetching a webpage URL. Returns title, canonical URL, meta tags and JSON-LD for local HTML-processing workflows. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| html* | string | |
| base_url | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"html"
],
"properties": {
"html": {
"type": "string",
"maxLength": 500000
},
"base_url": {
"type": "string",
"maxLength": 8192
}
},
"additionalProperties": false
}Convert HTML to Markdown: transform supplied HTML into clean deterministic Markdown for LLM context, RAG, tool chaining and agent memory. Preserves headings, paragraphs, lists, blockquotes, links, code blocks and simple tables; no network fetch required. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| html* | string | |
| max_chars | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"html"
],
"properties": {
"html": {
"type": "string",
"maxLength": 500000
},
"max_chars": {
"type": "integer",
"maximum": 250000,
"minimum": 100
}
},
"additionalProperties": false
}Extract clean normalized text from a raw HTML document without network access. Use for HTML-to-text conversion, document text extraction, LLM context preparation and RAG ingestion. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| html* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"html"
],
"properties": {
"html": {
"type": "string",
"maxLength": 500000
}
},
"additionalProperties": false
}Fetch a public URL with HEAD or GET and return status, final URL, latency, response headers and security-header analysis for HSTS, CSP, framing, MIME sniffing, referrer, permissions and cross-origin policies. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| method | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"method": {
"enum": [
"HEAD",
"GET"
],
"type": "string"
}
},
"additionalProperties": false
}HTTP status check for a public URL: return reachability, status code, redirect count, final URL, latency, content type, server and cache headers. One required url field for uptime checks, fallback routing and autonomous web-agent health tests. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
}
},
"additionalProperties": false
}Canonicalize JSON by recursively sorting object keys for stable hashing, comparison and signatures. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| value | any |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"value": {}
},
"additionalProperties": false
}Repair malformed JSON / LLM output: convert common broken JSON into valid structured JSON. Removes Markdown-style fences and prose wrappers, trailing commas, normalizes Python True/False/None and smart quotes, and repairs common single-quoted keys and values. Returns the parsed result plus applied repair steps. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| text* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"maxLength": 250000
}
},
"additionalProperties": false
}JSON Schema Validate: validate a JSON value against a deterministic schema subset for agent payload checking and structured-output verification. Supports type, properties, required, enum, const, numeric/string/array bounds, pattern, items and additionalProperties=false. Returns machine-readable error paths plus retry guidance. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| value | any | |
| schema* | object |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"schema"
],
"properties": {
"value": {},
"schema": {
"type": "object",
"properties": {},
"additionalProperties": true
}
},
"additionalProperties": false
}Decode JWT header and payload without verification for inspection, debugging and agent workflows. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| token* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"token"
],
"properties": {
"token": {
"type": "string",
"maxLength": 200000
}
},
"additionalProperties": false
}Recurring bundled crypto market snapshot for autonomous trading and market-monitoring loops. Costs $0.008 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| product_id* | string | |
| trade_limit | integer | |
| candle_limit | integer | |
| candle_granularity | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"product_id"
],
"properties": {
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$"
},
"trade_limit": {
"type": "integer",
"maximum": 100,
"minimum": 1
},
"candle_limit": {
"type": "integer",
"maximum": 300,
"minimum": 5
},
"candle_granularity": {
"enum": [
"60",
"300",
"900",
"3600",
"21600",
"86400"
],
"type": "string"
}
},
"additionalProperties": false
}Return a deterministic change outcome for a public URL relative to caller-supplied baseline content hash. Charged per authorized check, not only when changed. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| previous_hash* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url",
"previous_hash"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"previous_hash": {
"type": "string",
"maxLength": 128,
"minLength": 32
}
},
"additionalProperties": false
}Extract webpage metadata, OpenGraph and JSON-LD for one public URL. Scalar single-URL contract for MCP and autonomous buyer runtimes. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | Public http(s) webpage URL. |
| timeout_seconds | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri",
"description": "Public http(s) webpage URL."
},
"timeout_seconds": {
"type": "integer",
"maximum": 60,
"minimum": 5
}
},
"additionalProperties": false
}Monitor a wallet for balance changes and new USDC/ERC-20 activity. Recurring paid primitive; repeat about every 60 seconds while monitoring is active. Costs $0.005 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| cursor | integer | |
| tokens | array | |
| address* | string | |
| network | string | |
| lookback_blocks | integer | |
| activity_contract | string | |
| previous_state_hash | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address"
],
"properties": {
"cursor": {
"type": "integer",
"minimum": 0
},
"tokens": {
"type": "array",
"items": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"maxItems": 20
},
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"lookback_blocks": {
"type": "integer",
"maximum": 5000,
"minimum": 1
},
"activity_contract": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"previous_state_hash": {
"type": "string",
"pattern": "^[a-fA-F0-9]{64}$"
}
},
"additionalProperties": false
}Recurring webpage change monitoring for prices, inventory, availability, documentation, policies and competitors. Reuse the returned previous_hash on the next check. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| selector | string | |
| previous_hash | string | |
| previous_text | string | |
| max_diff_chars | integer | |
| max_text_chars | integer | |
| timeout_seconds | integer | |
| ignore_selectors | array | |
| include_current_text | boolean |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"selector": {
"type": "string"
},
"previous_hash": {
"type": "string"
},
"previous_text": {
"type": "string"
},
"max_diff_chars": {
"type": "integer",
"maximum": 50000,
"minimum": 1000
},
"max_text_chars": {
"type": "integer",
"maximum": 250000,
"minimum": 1000
},
"timeout_seconds": {
"type": "integer",
"maximum": 60,
"minimum": 5
},
"ignore_selectors": {
"type": "array",
"items": {
"type": "string"
}
},
"include_current_text": {
"type": "boolean"
}
},
"additionalProperties": false
}Compute MD5, SHA-1, SHA-256 and SHA-512 checksums for one UTF-8 string in a single call. Use for multi-hash verification, content fingerprints, integrity checks and deduplication. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| data* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"data"
],
"properties": {
"data": {
"type": "string",
"maxLength": 250000
}
},
"additionalProperties": false
}Refresh wallet, allowance, gas, price, 24h statistics and top-of-book context immediately before each automated trade or payment. Costs $0.01 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| address* | string | |
| network | string | |
| spender* | string | |
| product_id* | string | |
| balance_tokens | array | |
| token_contract* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address",
"spender",
"token_contract",
"product_id"
],
"properties": {
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"spender": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"product_id": {
"type": "string",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$"
},
"balance_tokens": {
"type": "array",
"items": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"maxItems": 20
},
"token_contract": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
}
},
"additionalProperties": false
}Extract a server-declared product price, currency and stock availability from a single public product page. Optionally compare against a caller-owned previous snapshot. Unknown and ambiguous prices are reported instead of invented. No unattended polling or ordering. Costs $0.005 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| previous_snapshot | object |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri",
"maxLength": 2048
},
"previous_snapshot": {
"type": "object",
"required": [
"url",
"status"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"price": {},
"status": {
"enum": [
"ready",
"partial",
"unavailable",
"ambiguous"
],
"type": "string"
},
"currency": {},
"availability": {
"type": "string"
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}Parse a URL query string into structured JSON or build a query string from an object. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| mode | string | |
| value | any |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"mode": {
"enum": [
"parse",
"build"
],
"type": "string"
},
"value": {}
},
"additionalProperties": false
}Robots.txt compliance check for crawlers and AI agents. Fetch a public site robots.txt and determine whether a user-agent may crawl a path; return the matched allow/disallow rule, crawl policy, HTTP status and declared sitemap URLs. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| path | string | |
| user_agent | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"path": {
"type": "string"
},
"user_agent": {
"type": "string"
}
},
"additionalProperties": false
}RSS / Atom to JSON: fetch a public feed and return normalized structured JSON for autonomous monitoring, news ingestion and agent workflows. One required feed URL; returns title, link, published_at, author, summary and id for up to 100 items. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| limit | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"limit": {
"type": "integer",
"maximum": 100,
"minimum": 1
}
},
"additionalProperties": false
}Search the web for x402 adoption, x402 integrations, x402 agent payments, x402 ecosystem launches and machine-to-machine payment adoption. Built to satisfy recurring autonomous-agent research demand for current x402 adoption signals. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| limit | integer | Maximum results per source; default 5. |
| query | string | Search phrase. Defaults to x402 adoption. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"limit": {
"type": "integer",
"maximum": 10,
"minimum": 1,
"description": "Maximum results per source; default 5."
},
"query": {
"type": "string",
"maxLength": 200,
"minLength": 1,
"description": "Search phrase. Defaults to x402 adoption."
}
},
"additionalProperties": false
}Sitemap URL extractor for crawlers and autonomous agents. Fetch and parse a public sitemap.xml or sitemap index, recursively expand child sitemap indexes up to two levels, and return deduplicated page URLs with loc, lastmod, changefreq and priority. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| limit | integer | |
| max_depth | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"limit": {
"type": "integer",
"maximum": 2000,
"minimum": 1
},
"max_depth": {
"type": "integer",
"maximum": 2,
"minimum": 0
}
},
"additionalProperties": false
}Convert text into a deterministic lowercase URL-safe slug. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| text* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"maxLength": 250000
}
},
"additionalProperties": false
}Split document or text content into deterministic overlapping chunks for RAG ingestion, embeddings, vector indexing, retrieval pipelines and LLM context windows. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| size | integer | |
| text* | string | |
| overlap | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"size": {
"type": "integer",
"maximum": 50000,
"minimum": 50
},
"text": {
"type": "string",
"maxLength": 500000
},
"overlap": {
"type": "integer",
"maximum": 10000,
"minimum": 0
}
},
"additionalProperties": false
}Compare two text values and return added and removed line blocks plus deterministic hashes. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| after* | string | |
| before* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"before",
"after"
],
"properties": {
"after": {
"type": "string",
"maxLength": 125000
},
"before": {
"type": "string",
"maxLength": 125000
}
},
"additionalProperties": false
}Return deterministic character, byte, word, line and sentence counts for text. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| text* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"maxLength": 250000
}
},
"additionalProperties": false
}Timezone convert an ISO-8601 timestamp with Z or numeric UTC offset into an IANA timezone such as America/New_York, Europe/London or Asia/Tokyo. Returns UTC and local wall-clock representations with the target offset. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| datetime* | string | ISO-8601 instant including Z or an explicit +HH:MM/-HH:MM offset. |
| to_timezone* | string | IANA timezone such as America/New_York. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"datetime",
"to_timezone"
],
"properties": {
"datetime": {
"type": "string",
"maxLength": 100,
"description": "ISO-8601 instant including Z or an explicit +HH:MM/-HH:MM offset."
},
"to_timezone": {
"type": "string",
"maxLength": 100,
"description": "IANA timezone such as America/New_York."
}
},
"additionalProperties": false
}Answer whether a Base or Ethereum transaction reached confirmed/reverted terminal state using live chain RPC. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| network | string | |
| tx_hash* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"tx_hash"
],
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"tx_hash": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{64}$"
}
},
"additionalProperties": false
}Check whether an EVM transaction is pending, confirmed or reverted. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| network | string | |
| tx_hash* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"tx_hash"
],
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"tx_hash": {
"type": "string"
}
},
"additionalProperties": false
}Recurring treasury/accounting snapshot with balances, gas and recent token activity; repeat about every five minutes while active. Costs $0.01 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| tokens | array | |
| address* | string | |
| network | string | |
| activity_cursor | integer | |
| lookback_blocks | integer | |
| activity_contract | string | ERC-20 activity contract; defaults to USDC. |
| previous_state_hash | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address"
],
"properties": {
"tokens": {
"type": "array",
"items": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"maxItems": 20
},
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"activity_cursor": {
"type": "integer",
"minimum": 0
},
"lookback_blocks": {
"type": "integer",
"maximum": 5000,
"minimum": 1
},
"activity_contract": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$",
"description": "ERC-20 activity contract; defaults to USDC."
},
"previous_state_hash": {
"type": "string",
"pattern": "^[a-fA-F0-9]{64}$"
}
},
"additionalProperties": false
}Unit conversion for length, mass, time, temperature and data sizes. Convert a numeric value between common units with deterministic arithmetic and no external API. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| to* | string | |
| from* | string | |
| value* | number |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"value",
"from",
"to"
],
"properties": {
"to": {
"enum": [
"m",
"km",
"cm",
"mm",
"mi",
"yd",
"ft",
"in",
"kg",
"g",
"mg",
"lb",
"oz",
"s",
"ms",
"min",
"h",
"day",
"C",
"F",
"K",
"B",
"KB",
"MB",
"GB",
"KiB",
"MiB",
"GiB"
],
"type": "string"
},
"from": {
"enum": [
"m",
"km",
"cm",
"mm",
"mi",
"yd",
"ft",
"in",
"kg",
"g",
"mg",
"lb",
"oz",
"s",
"ms",
"min",
"h",
"day",
"C",
"F",
"K",
"B",
"KB",
"MB",
"GB",
"KiB",
"MiB",
"GiB"
],
"type": "string"
},
"value": {
"type": "number"
}
},
"additionalProperties": false
}Percent-encode or decode text for URLs using URL-component semantics. Use mode encode or decode. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| mode | string | |
| text* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"text"
],
"properties": {
"mode": {
"enum": [
"encode",
"decode"
],
"type": "string"
},
"text": {
"type": "string",
"maxLength": 250000
}
},
"additionalProperties": false
}Normalize a URL and return its origin, host, path, query parameters and fragments as structured JSON. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"maxLength": 8192
}
},
"additionalProperties": false
}UUID generate service for autonomous agents. Generate one or more RFC 4122 UUID v4 identifiers for request IDs, object IDs, idempotency keys, correlation IDs and distributed workflows. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| count | integer | Number of UUID v4 values to generate; default 1. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"count": {
"type": "integer",
"maximum": 100,
"minimum": 1,
"description": "Number of UUID v4 values to generate; default 1."
}
},
"additionalProperties": false
}Read recent wallet ERC-20/USDC activity with cursor state for recurring payment and deposit monitoring. Costs $0.002 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| cursor | integer | |
| address* | string | |
| network | string | |
| contract | string | ERC-20 contract; defaults to USDC on the selected network. |
| lookback_blocks | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address"
],
"properties": {
"cursor": {
"type": "integer",
"minimum": 0
},
"address": {
"type": "string"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"contract": {
"type": "string",
"description": "ERC-20 contract; defaults to USDC on the selected network."
},
"lookback_blocks": {
"type": "integer",
"maximum": 5000,
"minimum": 1
}
},
"additionalProperties": false
}Canonical wallet balance for Base or Ethereum. Returns native ETH and USDC balances for one address and is suitable for recurring wallet and treasury polling. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| chain | string | |
| address* | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"address"
],
"properties": {
"chain": {
"enum": [
"eip155:8453",
"eip155:1"
],
"type": "string"
},
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
}
},
"additionalProperties": false
}Poll a transaction about every 15 seconds until confirmed or reverted, reusing returned next-check state. Costs $0.003 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| network | string | |
| tx_hash* | string | |
| previous_state_hash | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"tx_hash"
],
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"tx_hash": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{64}$"
},
"previous_state_hash": {
"type": "string",
"pattern": "^[a-fA-F0-9]{64}$"
}
},
"additionalProperties": false
}One-call webpage intelligence dossier for AI agents: metadata and structured data, clean article/document text, HTTP/security headers, robots crawl policy, SHA-256 content hash and RAG-ready chunks. Use for web research, document extraction, due diligence, ingestion, monitoring and retrieval pipelines. Costs $0.008 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| chunk_size | integer | |
| user_agent | string | |
| chunk_overlap | integer | |
| max_text_chars | integer |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"chunk_size": {
"type": "integer",
"maximum": 10000,
"minimum": 100
},
"user_agent": {
"type": "string",
"maxLength": 200
},
"chunk_overlap": {
"type": "integer",
"maximum": 5000,
"minimum": 0
},
"max_text_chars": {
"type": "integer",
"maximum": 150000,
"minimum": 1000
}
},
"additionalProperties": false
}Recurring webpage monitor for prices, inventory, availability, documentation, policies and competitors. Returns changed/unchanged state, current hash, metadata and HTTP/security context plus a ready next request. Designed for scheduled polling about every 5 minutes. Costs $0.005 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| selector | string | |
| previous_hash | string | |
| timeout_seconds | integer | |
| ignore_selectors | array |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"selector": {
"type": "string",
"maxLength": 1000
},
"previous_hash": {
"type": "string",
"pattern": "^[a-fA-F0-9]{64}$"
},
"timeout_seconds": {
"type": "integer",
"maximum": 60,
"minimum": 5
},
"ignore_selectors": {
"type": "array",
"items": {
"type": "string",
"maxLength": 1000
},
"maxItems": 50
}
},
"additionalProperties": false
}Fetch a public URL and extract clean normalized readable text for RAG, research and LLM context. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| selector | string | |
| previous_hash | string | |
| previous_text | string | |
| max_diff_chars | integer | |
| max_text_chars | integer | |
| timeout_seconds | integer | |
| ignore_selectors | array | |
| include_current_text | boolean |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"selector": {
"type": "string"
},
"previous_hash": {
"type": "string"
},
"previous_text": {
"type": "string"
},
"max_diff_chars": {
"type": "integer",
"maximum": 50000,
"minimum": 1000
},
"max_text_chars": {
"type": "integer",
"maximum": 250000,
"minimum": 1000
},
"timeout_seconds": {
"type": "integer",
"maximum": 60,
"minimum": 5
},
"ignore_selectors": {
"type": "array",
"items": {
"type": "string"
}
},
"include_current_text": {
"type": "boolean"
}
},
"additionalProperties": false
}Extract links from webpage URL: fetch one public page and return normalized absolute hyperlinks with anchor text, rel, domain and internal/external classification. One required URL, deterministic JSON, deduplicated results, and optional same-domain filtering for crawler planning and agent navigation. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | |
| limit | integer | |
| scope | string |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"format": "uri"
},
"limit": {
"type": "integer",
"maximum": 2000,
"minimum": 1
},
"scope": {
"enum": [
"all",
"internal",
"external"
],
"type": "string"
}
},
"additionalProperties": false
}Diagnose an x402 Base USDC payment challenge against an explicitly authorized payee allowlist and spending cap. Never signs or buys. Costs $0.001 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| challenge* | object | |
| allowed_payees* | array | |
| max_atomic_usdc* | string | |
| supported_schemes | array |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"challenge",
"max_atomic_usdc",
"allowed_payees"
],
"properties": {
"challenge": {
"type": "object",
"properties": {},
"additionalProperties": true
},
"allowed_payees": {
"type": "array",
"items": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"maxItems": 20,
"minItems": 1
},
"max_atomic_usdc": {
"type": "string"
},
"supported_schemes": {
"type": "array",
"items": {
"type": "string"
}
}
},
"additionalProperties": false
}PRE-SIGNING ONLY: read-only x402 v2 Base USDC payment-intent preview check ($0.003). Supply unsigned authorization parameters, caller-approved payee allowlist, resource URL and max spend. NEVER send private keys, signed PAYMENT-SIGNATURE headers or raw signatures. Compares untrusted envelope metadata; not cryptographic URI binding, signature verification, nonce-state verification, settlement or delivery proof. Guide: https://github.com/industrial-platform-ai/industrial-platform-agent-tools/blob/main/gateway/docs/payment-intent-assurance.md Costs $0.003 USDC on Base via x402.
| Argument | Type | Description |
|---|---|---|
| intent* | object | |
| payment* | object | |
| challenge* | object |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"intent",
"challenge",
"payment"
],
"properties": {
"intent": {
"type": "object",
"required": [
"resource_url",
"allowed_payees",
"max_atomic_usdc"
],
"properties": {
"resource_url": {
"type": "string",
"format": "uri"
},
"allowed_payees": {
"type": "array",
"items": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"maxItems": 20,
"minItems": 1
},
"max_atomic_usdc": {
"type": "string",
"pattern": "^\\d{1,24}$"
}
},
"additionalProperties": false
},
"payment": {
"type": "object",
"properties": {},
"additionalProperties": true
},
"challenge": {
"type": "object",
"properties": {},
"additionalProperties": true
}
},
"additionalProperties": false
}