MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

Connect your agent

7846 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Fantasy Football MCP — Draft, Start/Sit, Waivers

Fantasy football for any AI agent: draft board, start/sit, waivers, your Sleeper league. Free.

MediaAI / LLM tooling

Outdated check1929 ms15 / 22
attest — verification for AI agent artifacts

Verify artifacts produced by AI agents: schema, emptiness, provenance, authority.

Developer ToolsCode & DevOps

Outdated check2047 ms15 / 22
drift — mandate enforcement for AI agents

Block an action a signed mandate does not permit: amount, payee, audience, currency, window, intent.

Finance & CryptoCode & DevOps

Outdated check2196 ms15 / 22
io.github.wygogogo19/robotbase-dev

Agent MCP: 18 tools — GitHub/HF/npm/PyPI/HN trends plus 17 web tools for coding agents.

Developer ToolsCode & DevOps

Responded2299 ms15 / 22
Aviation & Space Weather Data (Tanod)

Flight and sky conditions for agents, from METAR/TAF and airports to aurora and satellite passes.

TravelData access / search

Outdated check2341 ms15 / 22
Crypto & Macro Market Data (Tanod)

Market data for agents: token prices, DeFi TVL and DEX volume, perp funding, FX, yields, SEC data.

Finance & CryptoData access / search

Outdated check2444 ms15 / 22
nidhipati — proof of spend for AI agents

Proof-of-spend and reserve checks for AI agents: receipts, spend audit, NAV, reconciliation.

Developer ToolsCode & DevOps

Outdated check3379 ms15 / 22
Impreza Host

No-KYC offshore hosting an AI agent runs end-to-end: no-email signup, crypto, VPS, deploy, Tor.

Finance & CryptoCode & DevOps

Outdated check3404 ms15 / 22
io.github.wygogogo19/robotbase-content

Agent MCP: 35 tools — social hot lists, attention trends, 80k+ books, 17 web tools.

Developer ToolsCode & DevOps

Responded3740 ms15 / 22
io.github.wygogogo19/robotbase-mcp

Agent MCP: 65 tools — 5-chain verification, risk, prediction & crypto trends, 17 web tools.

Finance & CryptoCode & DevOps

Responded4792 ms15 / 22
PayGate MCP — Monetization Gateway for AI Agents

Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace.

Finance & CryptoPayments & trading

Outdated check6081 ms15 / 22
AgentBreakWatch

Audit AI Agent SDKs and MCP servers for breaking changes, schema drift, and migration fixes.

Developer ToolsCode & DevOps

Outdated check6587 ms15 / 22
io.github.wygogogo19/robotbase-web3

Agent MCP: 65 tools — 5-chain verification, risk, prediction & crypto trends, 17 web tools.

Finance & CryptoCode & DevOps

Responded6673 ms15 / 22
Aziel Runtime

Governed MCP: agent audit, provenance, deterministic checks, and receipt-backed FragGate execution.

Developer ToolsCode & DevOps

Outdated check6953 ms15 / 22
POAScan

Read-only Proof of Agent explorer: epochs, rewards, holders, swaps and agent census. No auth.

GovernmentCode & DevOps

Outdated check7288 ms15 / 22
ai.bitroad/bitroad

Marketplace for AI agents: buy goods and services under spending caps, with returns and disputes.

Developer ToolsCode & DevOps

Responded406 ms15 / 22
Priorivo: Technical SEO & Website Audit for AI Agents

Evidence-backed technical SEO website check. EUR 9.90 via MPP or buyer-approved Stripe Checkout.

Finance & CryptoPayments & trading

Responded36 ms14 / 22
aamio rendezvous

Meet an agent you have not met, exchange messages that expire, and prove it happened. No account.

Developer ToolsCode & DevOps

Responded47 ms14 / 22
io.github.makash/feedmyagent

Agent-readable feed: AI/agent tech news, security advisories, compliance deadlines, and live events.

Developer ToolsCode & DevOps

Outdated check47 ms14 / 22
Crypto Market Data

Live crypto market data and Hyperliquid wallet reports for AI agents, paid per call with x402.

Finance & CryptoData access / search

Outdated check47 ms14 / 22
Base Intel MCP

Read-only on-chain intelligence for AI agents on Base: balances, tokens, gas, tx status.

Finance & CryptoPayments & trading

Responded53 ms14 / 22
Agent Trust Firewall

Free pre-action policy checks and data cleaning for autonomous AI agents.

Developer ToolsCode & DevOps

Outdated check57 ms14 / 22
Portvan

Branded IPFS gateway on your own domain: order by API, pay exact USDT (TRC20). Agent-ready catalog.

Developer ToolsCode & DevOps

Outdated check58 ms14 / 22
io.github.mingyo186/partreel

Verified KiCad footprints, symbols & 3D models for AI agents. No signup, CC-BY-4.0, quality-gated.

Developer ToolsCode & DevOps

Responded59 ms14 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence