Pay-per-call x402 MCP: 22 agent APIs on Base USDC. Crypto, onchain reads, repo safety. From $0.001
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Paid $0.01 (x402, USDC Base): LLM chat completion (Llama 3.1 8B, Cloudflare Workers AI). Args: prompt (string) OR messages (array of {role, content}), optional system, max_tokens. One-shot AI inference per call, no signup.
One-shot prompt
System prompt (optional)
OpenAI-style [{role, content}] chat history
Max completion tokens, default 512
This tool isn't marked read-only, so it may change something on the server or in an account you connected.
Tool list last changed Oct 26, 2026.
Paid $0.01 (x402, USDC Base): LLM chat completion (Llama 3.1 8B, Cloudflare Workers AI). Args: prompt (string) OR messages (array of {role, content}), optional system, max_tokens. One-shot AI inference per call, no signup.
| Argument | Type | Description |
|---|---|---|
| prompt | string | One-shot prompt |
| system | string | System prompt (optional) |
| messages | array | OpenAI-style [{role, content}] chat history |
| max_tokens | integer | Max completion tokens, default 512 |
{
"type": "object",
"properties": {
"prompt": {
"type": "string",
"description": "One-shot prompt"
},
"system": {
"type": "string",
"description": "System prompt (optional)"
},
"messages": {
"type": "array",
"description": "OpenAI-style [{role, content}] chat history"
},
"max_tokens": {
"type": "integer",
"description": "Max completion tokens, default 512"
}
}
}Paid $0.10 (x402, USDC Base): color converter - HEX/RGB/HSL, WCAG luminance, contrast ratios, readable text suggestion. Args: color (string).
| Argument | Type | Description |
|---|---|---|
| color* | string |
{
"type": "object",
"required": [
"color"
],
"properties": {
"color": {
"type": "string"
}
}
}Paid $0.10 (x402, USDC Base): Epoch <-> ISO-8601 time converter with UTC parts and relative age. Args: ts (unix) or iso (string).
| Argument | Type | Description |
|---|---|---|
| ts | string | |
| iso | string |
{
"type": "object",
"properties": {
"ts": {
"type": "string"
},
"iso": {
"type": "string"
}
}
}Paid $0.10 (x402, USDC Base): cron solver - next N execution times (UTC) for a standard 5-field cron expression. Args: expr (string), n (int, default 5).
| Argument | Type | Description |
|---|---|---|
| n | integer | |
| expr* | string |
{
"type": "object",
"required": [
"expr"
],
"properties": {
"n": {
"type": "integer"
},
"expr": {
"type": "string"
}
}
}Paid $0.10 (x402, USDC Base): JWT decoder - header + payload + expiry status, NO signature verification (inspection only). Args: token (string).
| Argument | Type | Description |
|---|---|---|
| token* | string |
{
"type": "object",
"required": [
"token"
],
"properties": {
"token": {
"type": "string"
}
}
}Paid $0.10 (x402, USDC Base): Base64 encode/decode. Args: text (string), op ('enc' default | 'dec').
| Argument | Type | Description |
|---|---|---|
| op | string | |
| text* | string |
{
"type": "object",
"required": [
"text"
],
"properties": {
"op": {
"enum": [
"enc",
"dec"
],
"type": "string"
},
"text": {
"type": "string"
}
}
}Paid $0.10 (x402, USDC Base): lorem ipsum generator, 1-20 randomized paragraphs. Args: p (int, default 3).
| Argument | Type | Description |
|---|---|---|
| p | integer |
{
"type": "object",
"properties": {
"p": {
"type": "integer",
"maximum": 20,
"minimum": 1
}
}
}Paid $0.10 (x402, USDC Base): CSPRNG password/API-secret generator, 8-128 chars, classes upper/lower/digits/symbols, entropy estimate. Args: length (int, default 20).
| Argument | Type | Description |
|---|---|---|
| length | integer |
{
"type": "object",
"properties": {
"length": {
"type": "integer",
"maximum": 128,
"minimum": 8
}
}
}Paid $0.10 (x402, USDC Base): CSPRNG random integers [min,max] or fair pick from list. Args: min, max, n, from (comma list).
| Argument | Type | Description |
|---|---|---|
| n | integer | |
| max | integer | |
| min | integer | |
| from | string |
{
"type": "object",
"properties": {
"n": {
"type": "integer"
},
"max": {
"type": "integer"
},
"min": {
"type": "integer"
},
"from": {
"type": "string"
}
}
}Paid $0.001 (x402, USDC Base): random UUID v4 — idempotency keys and x402 requestKeys on demand; also a canonical $0.001 target for testing x402 payment stacks.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.001 (x402, USDC Base): live Base gas — gas price, EIP-1559 base fee and suggested priority fee in Gwei. Tx cost planning for agents.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Free: top-3 funded bounties + honeypot sample + ROI pitch — rich preview of the paid feed.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.001 (x402, USDC Base): multi-source bounty feed, hourly-refreshed — live Superteam Earn listings (USDC/USDG, $500-$10k), LIVE GitHub bounty radar (top open issues by reactions with trust scores, anonymous search) + GitLab bounty projects, trust >= 50. Send X-PAYMENT header to settle; without it returns the 402 challenge.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.003 (x402, USDC Base): next Bitcoin halving — current height, blocks left, ETA, post-halving reward. Evergreen countdown.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.002 (x402, USDC Base): convert an amount between assets at live USD spot (Coinbase) — e.g. 1 BTC = ? ETH. Rate + result in one call.
| Argument | Type | Description |
|---|---|---|
| to | string | Asset code, e.g. ETH |
| from | string | Asset code, e.g. BTC |
| amount | number | Amount, default 1 |
{
"type": "object",
"required": [],
"properties": {
"to": {
"type": "string",
"description": "Asset code, e.g. ETH"
},
"from": {
"type": "string",
"description": "Asset code, e.g. BTC"
},
"amount": {
"type": "number",
"description": "Amount, default 1"
}
}
}Paid $0.001 (x402, USDC Base): top crypto headlines aggregated from Cointelegraph/Decrypt/NewsBTC RSS with per-article source links and publish times. Daily brief for trading and research agents.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.001 (x402, USDC Base): live crypto spot price in USD for a pair like BTC-USD / ETH-USD / SOL-USD. Sourced from Coinbase public price APIs, edge-cached up to 30s.
| Argument | Type | Description |
|---|---|---|
| symbol* | string | Trading pair BASE-QUOTE, e.g. BTC-USD |
{
"type": "object",
"required": [
"symbol"
],
"properties": {
"symbol": {
"type": "string",
"description": "Trading pair BASE-QUOTE, e.g. BTC-USD"
}
}
}Day Pass: one $0.02 payment (x402, USDC Base) unlocks 24h of unlimited calls on every $0.001 route. Buy once via tools/call settle, then send the returned dp_ token as X-DAY-PASS header. For agents making 20+ calls/day.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.001 (x402, USDC Base): on-chain ERC20 token balance for any Base address via eth_call balanceOf on public Base RPC. Returns raw + human balance, decimals, symbol.
| Argument | Type | Description |
|---|---|---|
| address* | string | Wallet address 0x... |
| contract* | string | Token contract address 0x... |
{
"type": "object",
"required": [
"contract",
"address"
],
"properties": {
"address": {
"type": "string",
"description": "Wallet address 0x..."
},
"contract": {
"type": "string",
"description": "Token contract address 0x..."
}
}
}Paid $0.001 (x402, USDC Base): crypto Fear & Greed index — today + yesterday + week ago + 10-day history (0=extreme fear, 100=extreme greed). Market sentiment signal for trading agents.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.10 (x402, USDC Base): cryptographic hash of any text via WebCrypto. Args: text (string), algo (sha256 default | sha1 | sha384 | sha512).
| Argument | Type | Description |
|---|---|---|
| algo | string | |
| text* | string |
{
"type": "object",
"required": [
"text"
],
"properties": {
"algo": {
"enum": [
"sha256",
"sha1",
"sha384",
"sha512"
],
"type": "string"
},
"text": {
"type": "string"
}
}
}Paid $0.001 (x402, USDC Base): latest Base mainnet block height (eth_blockNumber via public RPC). Cheapest chain-tip probe for agents.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.01 (x402, USDC Base): full market snapshot in ONE call — batch USD prices (default BTC/ETH/SOL/XRP/DOGE, optional symbols arg) + Fear & Greed sentiment + latest Base block. One poll replaces three calls; ideal for monitoring loops.
| Argument | Type | Description |
|---|---|---|
| symbols | string | Comma-separated pairs BASE-QUOTE (optional) |
{
"type": "object",
"required": [],
"properties": {
"symbols": {
"type": "string",
"description": "Comma-separated pairs BASE-QUOTE (optional)"
}
}
}Paid $0.001 (x402, USDC Base): current server time in UTC ISO-8601 with unix seconds. Cheapest liveness/time probe.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.02 (x402, USDC Base): onchain safety verdict for a Base token — grade GREEN/MID/YELLOW/RED from liquidity, pair age, turnover, buy/sell flow and volatility (DexScreener data) with reasons. Screen tokens before interacting.
| Argument | Type | Description |
|---|---|---|
| address* | string | Base token contract address 0x... |
{
"type": "object",
"required": [
"address"
],
"properties": {
"address": {
"type": "string",
"description": "Base token contract address 0x..."
}
}
}Paid $0.001 (x402, USDC Base): multi-asset USD price snapshot in ONE call — up to 25 pairs (default 10 majors: BTC/ETH/SOL/DOGE/XRP/ADA/AVAX/LINK/LTC/USDC). Batch beats per-pair calls for portfolio and dashboard agents.
| Argument | Type | Description |
|---|---|---|
| symbols | string | Comma-separated pairs BASE-QUOTE, e.g. BTC-USD,ETH-USD |
{
"type": "object",
"required": [],
"properties": {
"symbols": {
"type": "string",
"description": "Comma-separated pairs BASE-QUOTE, e.g. BTC-USD,ETH-USD"
}
}
}Paid $0.01 (x402, USDC Base): on-chain wallet profile on Base — ETH balance, tx count (nonce), USDC balance, activity tier (fresh/new/active/veteran). Pre-flight counterparty check.
| Argument | Type | Description |
|---|---|---|
| address* | string | Wallet address 0x... |
{
"type": "object",
"required": [
"address"
],
"properties": {
"address": {
"type": "string",
"description": "Wallet address 0x..."
}
}
}Paid $0.002 (x402, USDC Base): current weather for any city worldwide (temperature, feels-like, humidity, wind, conditions) via Open-Meteo with city geocoding.
| Argument | Type | Description |
|---|---|---|
| city* | string | City name, e.g. 'New York' |
{
"type": "object",
"required": [
"city"
],
"properties": {
"city": {
"type": "string",
"description": "City name, e.g. 'New York'"
}
}
}Free: Money Reactor live base URL, health, prices, receiver wallet. Call this first.
No arguments.
{
"type": "object",
"required": [],
"properties": {}
}Paid $0.01 (x402, USDC Base): fetch any http(s) web page and return clean plain text (title + visible body, scripts/styles stripped, up to 8000 chars). Gives text-only agents web reading. Private/internal hosts blocked.
| Argument | Type | Description |
|---|---|---|
| url* | string | Absolute http(s) URL to read |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"description": "Absolute http(s) URL to read"
}
}
}Paid $0.001 (x402, USDC Base): one-line GO / CAUTION / HONEYPOT_RISK verdict for a repo. Impulse-priced pre-flight check.
| Argument | Type | Description |
|---|---|---|
| repo* | string | owner/name |
{
"type": "object",
"required": [
"repo"
],
"properties": {
"repo": {
"type": "string",
"description": "owner/name"
}
}
}Paid $1.00 full / $0.10 preview (x402, USDC Base): LLM 70B writes a structured 7-section research report on your question — executive summary, market context, key data grounded in LIVE prices + Fear & Greed + headlines, bull case, bear case, watchlist, bottom line. Optional arg address (0x...) grounds it in live Base token on-chain verdict. Always delivers a data-grounded report even if AI prose is unavailable. Args: topic (string), address (optional), lite (boolean = $0.10 preview).
| Argument | Type | Description |
|---|---|---|
| lite | boolean | true = $0.10 preview (executive summary + top signal) |
| topic | string | Research question, e.g. 'Is the Base ecosystem still early?' |
| address | string | Optional Base token 0x... to ground in live on-chain data |
{
"type": "object",
"required": [],
"properties": {
"lite": {
"type": "boolean",
"description": "true = $0.10 preview (executive summary + top signal)"
},
"topic": {
"type": "string",
"description": "Research question, e.g. 'Is the Base ecosystem still early?'"
},
"address": {
"type": "string",
"description": "Optional Base token 0x... to ground in live on-chain data"
}
}
}Paid $0.001 (x402, USDC Base): trust score 0-100 + GO/CAUTION/HONEYPOT_RISK verdict + reasons for a GitHub repo. Screen bounties before working them — one avoided rug pays for 1000 calls.
| Argument | Type | Description |
|---|---|---|
| repo* | string | owner/name, e.g. facebook/react |
{
"type": "object",
"required": [
"repo"
],
"properties": {
"repo": {
"type": "string",
"description": "owner/name, e.g. facebook/react"
}
}
}Paid $0.10 (x402, USDC Base): Unicode-safe URL slug generator. Args: text (string), sep (default '-'), max (default 80).
| Argument | Type | Description |
|---|---|---|
| max | integer | |
| sep | string | |
| text* | string |
{
"type": "object",
"required": [
"text"
],
"properties": {
"max": {
"type": "integer"
},
"sep": {
"type": "string"
},
"text": {
"type": "string"
}
}
}Paid $0.10 (x402, USDC Base): text analytics - chars, words, sentences, paragraphs, reading time, top keywords. Args: text (string).
| Argument | Type | Description |
|---|---|---|
| text* | string |
{
"type": "object",
"required": [
"text"
],
"properties": {
"text": {
"type": "string"
}
}
}