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

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).

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

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).

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

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).

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

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).

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

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).

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

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).

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

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

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