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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1426 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
Bigdata.com

Licensed, cited financial data for AI agents: news, filings, transcripts, research and tearsheets.

MediaData access / search

Requires authNot measured4 / 22Not checked yet
Blockworks

Blockworks market data, onchain metrics, and crypto research. The hosted server requires a Blockworks API key.

Finance & CryptoData access / search

Requires authOutdated checkNot measured4 / 22
brainattic

The knowledge base your AI reads and writes, under your rules — over MCP, EU-hosted.

Developer ToolsKnowledge & memory

Requires authOutdated checkNot measured4 / 22
buzzabout

Social media research for AI agents: analyzed themes, audiences and research answers, not raw posts.

Marketing & SalesData access / search

Requires authNot measured4 / 22Not checked yet
Cairn Commons

Work on open research problems with your agent; results are checked by Lean, reproduction or review.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
CalmSEO

SEO MCP server for keyword research, SERP analysis, audits, and Search Console workflows.

Marketing & SalesAutomation & workflows

Requires authOutdated checkNot measured4 / 22
Chorus Research

Create surveys, launch them to real human respondents, and read the responses.

OtherOther

Requires authOutdated checkNot measured4 / 22
CiteMe

Search papers, format citations in 60 styles, and verify bibliographies against scholarly sources.

OtherKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Claimora

Scientific and legal claim graph. Query claims, evidence, contradictions, and innovation flags.

LegalKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Clio MCP Server and API by Cotlet

Clio legal practice management MCP server: search matters, log time entry, create task.

LegalData access / search

Requires authOutdated checkNot measured4 / 22
ColorCraft

Research KDP niches and make print-ready coloring, story, comic and puzzle books.

MediaAI / LLM tooling

Requires authNot measured4 / 22
Commentary Review

Human-owned review for agent plans, rendered documents, Forms, research, and live previews.

Developer ToolsFile & docs

Requires authOutdated checkNot measured4 / 22
Compelling

AI-native B2B sales research, ranking, and CRM enrichment.

Marketing & SalesData access / search

Requires authNot measured4 / 22
ContHunt

Discover and research viral social content on TikTok, Instagram Reels, and YouTube Shorts.

MediaCode & DevOps

Requires authOutdated checkNot measured4 / 22
Cookiy

AI user research via studies, interviews, recruitment, reports, and quantitative surveys.

OtherOther

Requires authOutdated checkNot measured4 / 22
Corporary

French company data: SIREN search, legal profile, financials, changes, groups, filings, scores.

LegalData access / search

Requires authNot measured4 / 22Not checked yet
Corroborum

Search 220M+ scholarly papers with abstracts, DOIs, retraction flags and citation links.

OtherKnowledge & memory

Requires authNot measured4 / 22
CounselAudit

Legal bill review for in-house teams: audit law firm invoices, decide flags, draft firm letters.

LegalPayments & trading

Requires authNot measured4 / 22
CrowdGap AI Probability Research

AI-agent probability research with one-call preflight and human-gated XRP activation.

Developer ToolsAI / LLM tooling

Requires authNot measured4 / 22Not checked yet
CryptoQuant

Query cryptocurrency on-chain data, OHLCV prices, market data, and Research & QuickTake insights.

Finance & CryptoData access / search

Requires authOutdated checkNot measured4 / 22
CryptoSocials

Research Crypto X posts, assets and authors with source links, chain filters and stored prices.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Custodio Legal

Custodio Legal (custodio.legal), software de IA y vigilancia judicial para abogados

LegalKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Daisycon (MCP server)

Search Daisycon affiliate programs, manage campaigns and leads, and track earnings and statistics.

Marketing & SalesData access / search

Requires authNot measured4 / 22
Darash

Bible research: 59 translations, Hebrew/Greek Strong's, morphology, cross-refs, 13 dictionaries

OtherOther

Requires authNot measured4 / 22

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