chainpulse — real-time crypto + prediction market data for AI agents

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in.fastdb.md/chainpulsev0.2.0 Domain verified

Crypto prices, gas, DeFi TVL, and live Polymarket odds. x402 pay-per-call, $0.001, no API key.

Crypto & Web3 Finance & Payments

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https://md.fastdb.in/pulse/mcp

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crypto_prices

Real-time USD spot prices for crypto assets. Accepts major symbols (BTC, ETH, SOL, USDC, USDT, DAI, BNB, XRP, ...), any CoinGecko id as "coingecko:<id>", or any token by "<chain>:<tokenAddress>". Aggregated feed with per-coin confidence score, ~15s freshness. Paid tool: $0.001 per call via x402 (USDC on Base).

coinsarray, required

Assets to price, e.g. ["ETH","BTC","coingecko:solana","base:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"]

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

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Tools (7)

crypto_prices

Argument	Type	Description
coins*	array	Assets to price, e.g. ["ETH","BTC","coingecko:solana","base:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"]

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "coins"
  ],
  "properties": {
    "coins": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "maxItems": 50,
      "minItems": 1,
      "description": "Assets to price, e.g. [\"ETH\",\"BTC\",\"coingecko:solana\",\"base:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\"]"
    }
  },
  "additionalProperties": false
}

defi_tvl

Current total value locked (USD) for DeFi protocols by DefiLlama slug (e.g. uniswap, aave, lido). Paid tool: $0.001 per call via x402 (USDC on Base).

Argument	Type	Description
protocols*	array	DefiLlama protocol slugs, e.g. ["uniswap","aave"]

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "protocols"
  ],
  "properties": {
    "protocols": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "maxItems": 25,
      "minItems": 1,
      "description": "DefiLlama protocol slugs, e.g. [\"uniswap\",\"aave\"]"
    }
  },
  "additionalProperties": false
}

gas_prices

Live gas across chains (ethereum, base, arbitrum, optimism, polygon): current gas price, next-block base fee, slow/standard/fast priority-fee tiers straight from chain RPC, native token USD price, and the USD cost of a simple transfer so chains compare without unit math. Paid tool: $0.001 per call via x402 (USDC on Base).

Argument	Type	Description
chains	array	Chains to query; omit for all supported chains

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "chains": {
      "type": "array",
      "items": {
        "enum": [
          "ethereum",
          "base",
          "arbitrum",
          "optimism",
          "polygon"
        ],
        "type": "string"
      },
      "description": "Chains to query; omit for all supported chains"
    }
  },
  "additionalProperties": false
}

polymarket_movers

Polymarket prediction markets with the biggest odds swings in the last 24 hours, filtered to liquid markets (default $10k+ daily volume), most-moved first. The fastest way to spot where consensus is shifting. Paid tool: $0.001 per call via x402 (USDC on Base).

Argument	Type	Description
limit	integer	Max markets to return (default 10)
minVolume24h	number	Ignore markets below this 24h USD volume (default 10000)

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "limit": {
      "type": "integer",
      "maximum": 50,
      "minimum": 1,
      "description": "Max markets to return (default 10)"
    },
    "minVolume24h": {
      "type": "number",
      "minimum": 0,
      "description": "Ignore markets below this 24h USD volume (default 10000)"
    }
  },
  "additionalProperties": false
}

polymarket_odds

Live Polymarket prediction market odds. Search any topic free-text ("fed rate cut", "world cup winner") or fetch one market by its slug. Returns normalized markets: outcomes, prices, bid/ask spread, 24h volume, liquidity, resolution date, and the polymarket.com URL. ~15s freshness. Paid tool: $0.001 per call via x402 (USDC on Base).

Argument	Type	Description
slug	string	Exact Polymarket market slug (alternative to query)
limit	integer	Max markets to return (default 10)
query	string	Free-text search across Polymarket markets, e.g. "argentina world cup"

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "slug": {
      "type": "string",
      "pattern": "^[a-z0-9][a-z0-9-]{0,200}$",
      "description": "Exact Polymarket market slug (alternative to query)"
    },
    "limit": {
      "type": "integer",
      "maximum": 50,
      "minimum": 1,
      "description": "Max markets to return (default 10)"
    },
    "query": {
      "type": "string",
      "maxLength": 200,
      "minLength": 1,
      "description": "Free-text search across Polymarket markets, e.g. \"argentina world cup\""
    }
  },
  "additionalProperties": false
}

polymarket_resolving

Active Polymarket prediction markets resolving within the next N hours (default 24), sorted by 24h volume, with live prices. For tracking imminent event outcomes. Paid tool: $0.001 per call via x402 (USDC on Base).

Argument	Type	Description
hours	number	Window in hours (default 24)
limit	integer	Max markets to return (default 10)

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "hours": {
      "type": "number",
      "maximum": 720,
      "description": "Window in hours (default 24)",
      "exclusiveMinimum": 0
    },
    "limit": {
      "type": "integer",
      "maximum": 50,
      "minimum": 1,
      "description": "Max markets to return (default 10)"
    }
  },
  "additionalProperties": false
}

service_info

Free. Service, pricing, and payment details for the chainpulse tools on this server.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {}
}