MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

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

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DiscoveryServer directory

Remote MCP servers

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

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1404 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
Curo Peptide Research MCP: PepBank Studies, Peptide Lookup and Lab Reports (COAs)

Peptide research for your AI: PepBank study findings plus the curo.you peptide catalog and lot COAs.

Developer ToolsData access / search

Outdated check756 ms14 / 22
Microsoft Research Blog — AI Research Announcements (msrwatch)

Microsoft Research Blog: AI research posts. $0.01/query. Register in-session — free testnet funds.

OtherOther

Responded769 ms14 / 22
Magist

Deterministic, cited regulatory research for product launches; legal information, not legal advice.

LegalCode & DevOps

Outdated check795 ms14 / 22
ESG Hub MCP Server

ESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.

Developer ToolsKnowledge & memory

Outdated check798 ms14 / 22
New Research Papers & Science Breakthroughs — buy per-query in-session (scibreak)

Science breakthroughs: new research papers. $0.01/query. Be born in one call — free testnet funds.

OtherOther

Responded804 ms14 / 22
Clinical Trial & Medical Research Tracker — buy per-query in-session (trialwatch)

Medical research: new trial results tracker. $0.01/query. Be born in one call — free testnet funds.

HealthcareData access / search

Responded833 ms14 / 22
io.github.cyanheads/wikipedia-mcp-server

Search and read Wikipedia articles and sections, list cited references, nearby pages, and languages.

Developer ToolsCode & DevOps

Outdated check874 ms14 / 22
io.github.cyanheads/arxiv-mcp-server

Search arXiv, fetch paper metadata, and read full-text content.

Developer ToolsCode & DevOps

Outdated check877 ms14 / 22
NOVA

Paid NOVA research, company intelligence, and output recovery for agents.

Developer ToolsCode & DevOps

Outdated check901 ms14 / 22
io.github.cyanheads/pentest-mcp-server

Offline methodology engine for authorized penetration testing, CTF, and security research.

SecurityCode & DevOps

Outdated check936 ms14 / 22
cern-inspire-mcp-server

Search INSPIRE-HEP papers, authors, experiments, HEPData records; get citation metrics and BibTeX.

Developer ToolsCode & DevOps

Outdated check944 ms14 / 22
io.github.cyanheads/bls-labor-mcp-server

Fetch US Bureau of Labor Statistics data — CPI, unemployment, wages, JOLTS, and more via MCP.

Data & AnalyticsCode & DevOps

Outdated check945 ms14 / 22
Highwire

Trade, launch and research higher.fun coins on Solana, from any AI agent. Unsigned or policy-signed.

Finance & CryptoPayments & trading

Outdated check974 ms14 / 22
io.github.cyanheads/faostat-mcp-server

UN FAOSTAT global food & agriculture statistics over a local SQLite mirror, via MCP.

Data & AnalyticsDatabase

Outdated check999 ms14 / 22
Creator Engine

Promise extraction and alignment from contracts, NDAs, and legal documents.

LegalFile & docs

Outdated check1088 ms14 / 22
io.github.mattlsmith/navmds

Research 7,400+ US doctors: search, semantic search, profiles, reviews & procedure pricing.

Developer ToolsCode & DevOps

Outdated check1125 ms14 / 22
Izzet Yildirim

Ask your AI agent about Izzet Yildirim's research, papers, CV, and availability.

Developer ToolsCode & DevOps

Outdated check1133 ms14 / 22
LiquiLens — the Failure Radar

Free bank-filing and counterparty research; cited evidence limits; public MCP needs no API key.

Developer ToolsCode & DevOps

Outdated check1191 ms14 / 22
Truth Bear

Verifiable official-source records for AI agents: record_hash + Ed25519 citation, x402 per-call

Developer ToolsCode & DevOps

Outdated check1292 ms14 / 22
Scholar Feed

Rank CS/AI/ML papers by citations, forecast impact, or code adoption; trace 23.2M citation edges.

Developer ToolsCode & DevOps

Outdated check1325 ms14 / 22
Inciteful

Citation graph search over OpenAlex: similar papers, citation networks, paths and BibTeX export.

OtherKnowledge & memory

Outdated check1516 ms14 / 22
三域医研 · 科研算法引擎 (SanYu Research Engine)

147 tools: deterministic compute + 39 AI writers; each response self-labels data_source + verified.

Developer ToolsCode & DevOps

Outdated check1746 ms14 / 22
AI Monk Index

Research monk avatars, products and video playbooks with sources and labelled uncertainty.

MediaCode & DevOps

Outdated check1963 ms14 / 22
xyz.iposignal/iposignal

IPO deal terms, SEC filings, AI research and sentiment, plus live valuation metrics for US stocks.

Finance & CryptoPayments & trading

Outdated check2061 ms14 / 22

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