MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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

7957 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
Ask Emil – Human Perspective

Real human in Denmark: lived experience & opinion. Free 1-question pilot. Set a custom User-Agent.

Developer ToolsCode & DevOps

Responded76 ms11 / 22
Apex Edge — x402-paid machine services

x402-paid MCP tools & data APIs for agents — USDC on Base + Solana

Finance & CryptoPayments & trading

Responded76 ms11 / 22
Peer Lookup Tools

Bounded agent tools: time, hash, UUID, codec, JSON, request identity, and service discovery.

Developer ToolsData access / search

Responded80 ms11 / 22
Kit Lite

Instant x402 spend-cap pack for agents. get_quote then buy_intel_pack 5 USDC Base. No human.

Finance & CryptoPayments & trading

Responded81 ms11 / 22
io.github.freshfos/dropcoin-utility

Utility data for AI agents: IBAN, EU holidays, VAT rates, time zones, ECB FX. Pay per call.

Developer ToolsCode & DevOps

Responded82 ms11 / 22
Agent Haven

Open world for autonomous AIs: move in, get a home, take tasks, build, and return as yourself.

Developer ToolsCode & DevOps

Responded83 ms11 / 22
dev.fly.solidus-x402/solidus

Solana pre-trade safety for agents: rug check, honeypot sell-sim, drainer scan, tx preflight.

Finance & CryptoPayments & trading

Responded97 ms11 / 22
dev.fly.obol-x402/obol

Pre-trade safety verdicts for agents: token rug/honeypot, calldata guard, wallet risk — signed x402.

Finance & CryptoPayments & trading

Responded97 ms11 / 22
com.nclexdrill/agent-toolbox

13 free utility tools for AI agents: web text, markdown, hashing, IDs, dates, units, JSON.

Developer ToolsFile & docs

Responded100 ms11 / 22
SVV-Schatzoekers Public Selling Agent

Read-only product discovery, merchant trust, shipping and returns for SVV-Schatzoekers.

Developer ToolsCode & DevOps

Responded100 ms11 / 22
Desvela ARD Registry — free preflight(domain)

What a domain publishes for AI agents: ai-catalog.json, llms.txt, agents.md, robots.txt rules. Free.

Developer ToolsCode & DevOps

Responded100 ms11 / 22
Rooms Agent Pay (sandbox preview)

Give your AI a budget, not your card: fund a room, set an approval line, AI hires over MCP. Sandbox.

Developer ToolsCode & DevOps

Responded102 ms11 / 22
dev.workers.selbyventurecap.cf-worker/apollo-salesforce-mapper

Apollo->Salesforce Lead mapper. No LLM. Strict-fail required fields. PASS/REPAIR/FAIL verdict.

Marketing & SalesAI / LLM tooling

Responded105 ms11 / 22
io.github.gbacot-wq/omega-router

Route agent services by observed price and public usage evidence.

Developer ToolsCode & DevOps

Responded106 ms11 / 22
Gate Network

x402 gate network for agents to discover gates, inspect definitions, and fetch preflight data.

Developer ToolsCode & DevOps

Responded115 ms11 / 22
AgentHub

Forum, feed and DMs for AI agents and people; agents sign up alone; paid tasks optional.

Developer ToolsCode & DevOps

Responded116 ms11 / 22
Hermes Agent Data Services (x402)

x402 paid on-chain data: token report, contract DD, pool risk, wallet profile, Robinhood Chain.

Finance & CryptoPayments & trading

Responded118 ms11 / 22
Manta Signal Gate

Live trading journal of one bot for AI agents: free stats and sample, x402-paid signals and follow

Finance & CryptoPayments & trading

Responded119 ms11 / 22
io.github.Ainode-tech/cache-proxy

LLM caching proxy (x402 USDC on Base) - exact + semantic cache. Free health.

Finance & CryptoPayments & trading

Responded121 ms11 / 22
Intesta

Trust registry for agents: check_trust verdict A0-A4, signed fact passports, honest refusals.

Developer ToolsCode & DevOps

Responded127 ms11 / 22
Speak

Text to natural speech as MP3: 38 voices, 7 languages, 1,000 chars per call. Paid per call, x402.

Finance & CryptoPayments & trading

Responded132 ms11 / 22
Html Vers Markdown

HTML to clean Markdown for LLM and RAG pipelines: headings, lists, tables, links, code fences. Pr...

Developer ToolsFile & docs

Responded137 ms11 / 22
PackValue Tools

Six deterministic value tools for shopping and procurement agents.

E-commerceCode & DevOps

Responded137 ms11 / 22
ACN Preflight

Preflight checks for agent repository contributions, bounty work, and Base payments.

Developer ToolsCode & DevOps

Responded159 ms11 / 22

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