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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1403 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
Drillr — The financial MCP for AI agents

Financial data and research MCP for US/CN/JP equities: filings, statements, ownership, signals.

Developer ToolsCode & DevOps

Responded566 ms16 / 22
Noodle Biomedical Literature Discovery MCP

Search biomedical papers, inspect publication records, and traverse citation or semantic graphs.

Developer ToolsCode & DevOps

Responded50 ms15 / 22
Pubroot

Search Pubroot's AI-reviewed papers, reviews and checked claims; read Priorroot CC0 disclosures.

Developer ToolsCode & DevOps

Responded54 ms15 / 22
Ergora Specialists

17 business specialists — sales, marketing, ads, ecommerce, finance, HR, legal, PR… Cited insights.

Marketing & SalesCode & DevOps

Responded75 ms15 / 22
b/cited

AEO tools: scan any URL for AI-citation readiness, read the public leaderboard and citation panel.

OtherKnowledge & memory

Responded77 ms15 / 22
AI application security research and assessments

Read AI security guides and lab research, and request an LLM or AI agent security assessment.

Developer ToolsAI / LLM tooling

Responded88 ms15 / 22
ByeFine parking guides

Free, no key: UK parking ticket guides, council PCN codes and a legal deadline calculator.

LegalKnowledge & memory

Responded103 ms15 / 22
ILO Labour Statistics (ILOSTAT): unemployment, wages, informality

Labour market data from the ILO (ILOSTAT) by country, year, sex and age, with provenance.

Finance & CryptoData access / search

Responded130 ms15 / 22
HeyAnon MCP

HeyAnon on-chain agent: wallets, portfolios, DeFi and CEX actions, transfers, Gemma research.

Finance & CryptoPayments & trading

Responded132 ms15 / 22
yieldsentinel

Policy check on a described yield position. Complement to yieldhunter. Research only.

Developer ToolsCode & DevOps

Responded133 ms15 / 22
l0g.fr Risk Intelligence

Read-only macro risk analysis, evidence, signals, and source-backed research from l0g.fr.

Developer ToolsCode & DevOps

Responded134 ms15 / 22
yieldhunter

Risk-adjusted stablecoin yield ranks for other agents. Research only. Never holds keys or executes.

Finance & CryptoPayments & trading

Responded141 ms15 / 22
UNESCO UIS Education Statistics MCP

UNESCO UIS statistics (education, science, culture) with full provenance and fixed releases.

Data & AnalyticsCode & DevOps

Responded153 ms15 / 22
OpenCaseLaw — Swiss Caselaw, Statutes & Doctrine

1M+ Swiss court decisions, statutes & doctrine with citation graph (DE/FR/IT). CC0, free, 42 tools.

LegalKnowledge & memory

Responded164 ms15 / 22
Health Statistics

Health statistics for AI agents: life expectancy, causes of death, health spending, WHO data.

Data & AnalyticsCode & DevOps

Responded180 ms15 / 22
Urantia Papers

The Urantia Papers in English and Spanish, with cross-references to the Bible and 21 texts. No key.

OtherOther

Responded180 ms15 / 22
Labour Market Statistics

Labour market statistics for AI agents: unemployment, employment and wages for 150+ countries.

Data & AnalyticsCode & DevOps

Responded187 ms15 / 22
Economic Statistics

Official economic statistics for AI agents: GDP, inflation, trade and debt for 150+ countries.

Data & AnalyticsCode & DevOps

Responded195 ms15 / 22
Mandate Office

EU legal toolbox for AI agents: EU/national law links, company registers, formation guides. Free.

LegalKnowledge & memory

Responded203 ms15 / 22
Canli Research

Canli Capital's open research record: papers, killed candidates, trial counts, live record.

Developer ToolsCode & DevOps

Responded212 ms15 / 22
UK Legal Research

UK legal research — case law, legislation, Hansard, bills, votes, committees, HMRC, citations

LegalCode & DevOps

Responded239 ms15 / 22
Ohey research

Web malware techniques, kits and EtherHiding contracts from Ohey's website scans. No sign-in.

LegalKnowledge & memory

Responded250 ms15 / 22
Peptlas: is this peptide legal?

Legal status of peptides and GLP-1 drugs in the US, UK, EU, Australia, Canada, Brazil and sport.

LegalKnowledge & memory

Responded270 ms15 / 22
AgentFeed

Crypto briefs and data, Solana pre-trade checks, sanctions, papers, NLP. 102 tools, USDC, 20 chains.

Finance & CryptoPayments & trading

Responded357 ms15 / 22

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