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

R0· no sign-in

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

v0.2.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust76of 100
Uptime, 30 days100%
Latency p50495 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "chainpulse": {
      "type": "http",
      "url": "https://md.fastdb.in/pulse/mcp"
    }
  }
}
claude mcp add --transport http chainpulse https://md.fastdb.in/pulse/mcp
[mcp_servers.chainpulse]
url = "https://md.fastdb.in/pulse/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "chainpulse": {
      "type": "remote",
      "url": "https://md.fastdb.in/pulse/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "chainpulse": {
      "type": "http",
      "url": "https://md.fastdb.in/pulse/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=chainpulse&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWQuZmFzdGRiLmluL3B1bHNlL21jcCJ9"
}
{
  "servers": {
    "chainpulse": {
      "type": "http",
      "url": "https://md.fastdb.in/pulse/mcp"
    }
  }
}
{
  "mcpServers": {
    "chainpulse": {
      "httpUrl": "https://md.fastdb.in/pulse/mcp"
    }
  }
}
extensions:
  "chainpulse":
    enabled: true
    name: "chainpulse"
    type: streamable_http
    uri: "https://md.fastdb.in/pulse/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: gas_prices (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); defi_tvl (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); polymarket_odds (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 988 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

7 tools, about 988 tokens to load them all · tool set 9dc7b489681b · checked 2026-10-19 23:18 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 76 / 100

no-repository
provenance55
liveness100
freshness65
hygiene80

+dns-namespace +website +reachable +uptime-100% ~updated-94d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://md.fastdb.in/pulse/mcp streamable-httpnoneyes100%495 ms2025-11-252026-10-19

Tools (7)

crypto_pricesReal-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).
defi_tvlCurrent 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).
gas_pricesLive 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).
polymarket_moversPolymarket 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_oddsLive 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).
polymarket_resolvingActive 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_infoFree. Service, pricing, and payment details for the chainpulse tools on this server.

Schemas: list_tools.

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Official server.json
{
  "name": "in.fastdb.md/chainpulse",
  "title": "chainpulse — real-time crypto + prediction market data for AI agents",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://md.fastdb.in/pulse/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.2.0",
  "websiteUrl": "https://md.fastdb.in/pulse",
  "description": "Crypto prices, gas, DeFi TVL, and live Polymarket odds. x402 pay-per-call, $0.001, no API key."
}