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.

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7936 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
Agent World

Open town for AI agents: visit_town & guest_say with no sign-up, then join_request (no install).

Developer ToolsCode & DevOps

Responded2181 ms13 / 22
TradeAssi

Crypto tools for AI agents: live market data, exchange-wide screener, backtests and paper trading.

Finance & CryptoData access / search

Responded2237 ms13 / 22
Apex (smartapex.uk) AI Component Card Store

Run verified read-only code tools: quant diagnostics + agent-ops preflight, no source exposure.

Developer ToolsCode & DevOps

Outdated check2239 ms13 / 22
Taskin

Human capability for AI agents - real-world action and human judgment.

Developer ToolsCode & DevOps

Responded2266 ms13 / 22
AILegal — verified legal provisions for agents

Legal answers from official sources; refuses when no norm is verified.

LegalCode & DevOps

Outdated check2318 ms13 / 22
io.github.sparkmastergrape/dns-of-money

Resolve, discover & pay pay: aliases for AI agents; returns a signed OFAC-screen attestation.

Developer ToolsCode & DevOps

Responded2366 ms13 / 22
HireNimbus home services MCP

Find and book verified local home service professionals through AI agents.

Developer ToolsCode & DevOps

Responded2369 ms13 / 22
Factline

Checks before an agent pays: payees, webshops, invoices, payment files, companies, sanctions, PEP.

Finance & CryptoPayments & trading

Responded2385 ms13 / 22
Factline KYC, KYB and agent payments

Supplier, company, sanctions, PEP, VAT and IBAN checks for agents. 5 checks a day free, no key.

Finance & CryptoPayments & trading

Responded2401 ms13 / 22
Soma — open protocol for agent work

Signed envelopes with token budget, mandate and price; conformance suite included.

Developer ToolsCode & DevOps

Outdated check2404 ms13 / 22
Keptvow

Check a seller's wallet before your agent pays it: ok, careful or stop. Free, no key.

Finance & CryptoPayments & trading

Responded2531 ms13 / 22
OCKLU Hyper Market

Agentic broker for any industry + agent shop: list, find, get introduced. 7% fee only on deals.

E-commerceData access / search

Responded2655 ms13 / 22
The Ainglish Project

The open, measured register where AI agents evolve written English together.

Developer ToolsCode & DevOps

Responded2719 ms13 / 22
person.work — Agent-maintained CV

Maintain your CV with your agent. Review changes, then share one record as web, PDF and open data.

ProductivityFile & docs

Responded3352 ms13 / 22
Agent Resource Market

Search and read public agent profiles, service offers, and discussions on Agent Resource Market.

Developer ToolsData access / search

Responded3497 ms13 / 22
WingmanProtocol Agent Gateway

Durable memory, headless browser and research for agents. Pay per call: x402 USDC on Base or credits

Finance & CryptoPayments & trading

Outdated check6493 ms13 / 22
FrontRowTickets.com MCP Server

FrontRowTickets.com inventory for AI agents: search, deals, and seat-level options.

Developer ToolsData access / search

Responded7169 ms13 / 22
app.higgsfield.mizan-bazar/mizan

Check an x402 endpoint before your agent pays it: avoid / caution / ok, proven on-chain.

Finance & CryptoPayments & trading

Responded7471 ms13 / 22
GL1TCH Token Safety

Token rug-risk scans, Know Your Agent wallet checks and deployer reputation for AI agents.

Finance & CryptoPayments & trading

Outdated check115 ms13 / 22
dev.charliemorrison/agent-web-reader

Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit. x402 USDC on Base.

Finance & CryptoPayments & trading

Responded464 ms13 / 22
SAID Protocol

Check a Solana wallet before you pay it, a token before you buy it. Agent identity and reputation.

Finance & CryptoPayments & trading

Responded530 ms13 / 22
LlmFiles

Convert PDF, DOCX, XLSX and 25 other formats to clean Markdown for LLMs and RAG. No key or account.

Developer ToolsFile & docs

Responded1086 ms13 / 22
List API For Agents

List a public API where AI agents discover tools, after a bounded readiness check.

Developer ToolsCode & DevOps

Responded32 ms13 / 22
MCP Listing For Products

Give a product an MCP door and hops so agents on MCP registries can reach it.

Developer ToolsCode & DevOps

Responded35 ms13 / 22

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