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

- Registry name: `in.fastdb.md/chainpulse` · version 0.2.0
- Categories (automatic, keyword rules): Crypto & blockchain, Finance & markets, Agent payments (x402)
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=in.fastdb.md%2Fchainpulse
- Server page: https://mcpstation.net/s/in.fastdb.md--chainpulse.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://md.fastdb.in/pulse/mcp`

## Tools (as reported by the server, not verified)

- `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 \(USD
- `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 v
- `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 \(USDC on Base\).
- `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
- `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 \(USDC on Base\).
- `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 \(USDC on Base\).
- `service\_info`: Free. Service, pricing, and payment details for the chainpulse tools on this server.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html