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

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

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

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "chainpulse — real-time crypto + prediction market data for AI agents": {
      "url": "https://md.fastdb.in/pulse/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (7)

• 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).

  Parameters:

  • coins (required) — array — Assets to price, e.g. ["ETH","BTC","coingecko:solana","base:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"]

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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).

  Parameters:

  • chains — array — Chains to query; omit for all supported chains

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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).

  Parameters:

  • protocols (required) — array — DefiLlama protocol slugs, e.g. ["uniswap","aave"]

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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).

  Parameters:

  • 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"

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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).

  Parameters:

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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).

  Parameters:

  • hours — number — Window in hours (default 24)
  • limit — integer — Max markets to return (default 10)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• service_info

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

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

Publisher website

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.