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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1429 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
Artificial Wit AI

MCP server unifying ERPs, CRMs, APIs and knowledge base for Claude, ChatGPT and Gemini.

Developer ToolsKnowledge & memory

Requires authOutdated checkNot measured3 / 22
Ava Studio

Research video, manage campaigns, generate media, and edit or export Ava Studio projects.

Marketing & SalesData access / search

Requires authNot measured3 / 22
Baltic Company Check

Baltic company checks (Estonia, Latvia, Lithuania): status, insolvency, legal form, LEI, sanctions.

LegalCode & DevOps

Requires authNot measured3 / 22Not checked yet
Bio-Data Parser

Bioinformatics and genomic sequence parser for clinical research.

HealthcareCode & DevOps

Requires authNot measured3 / 22Not checked yet
Brandvane

SEO research and AI visibility evidence. Account required; new research uses paid allowances.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
CaseNode Case Law API

UK case law: 290k+ judgments, 2.5M citation links, citation validation. Free key at casenode.ai

LegalCode & DevOps

Requires authNot measured3 / 22Not checked yet
CellType UDI

Search public biomedical datasets, measured results, papers, trials and drug evidence with sources.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Citation

Search research, revise drafts, format references and export your Citation documents.

Developer ToolsFile & docs

Requires authOutdated checkNot measured3 / 22
Cleotic

AI brand visibility, competitor mentions and citation evidence for agents. Cleotic account required.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Clinical.ly Research Suite

Query Clinical.ly clinical-research data via read-only API tools using your OAuth permissions.

HealthcareData access / search

Requires authOutdated checkNot measured3 / 22
ClosedLoop AI

Source-linked product insights from customer feedback. Research needs and prepare customer calls.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
ColdState — Deterministic Knowledge Infrastructure

Deterministic knowledge for AI agents: search, fetch, cite and verify a 48M-entry knowledge base.

Developer ToolsKnowledge & memory

Requires authNot measured3 / 22Not checked yet
Colorado Company Check

Colorado company checks by Secretary of State entity ID: status, legal form, LEI and sanctions.

LegalCode & DevOps

Requires authNot measured3 / 22Not checked yet
Company and Lead Research

Emails and socials from company sites, WHOIS, live job listings, Hacker News and App Store search.

ProductivityCommunication & messaging

Requires authNot measured3 / 22
Company Research MCP

Company research for AI agents: contacts, tech stack, LEI, EU legal entities, SEC financials, jobs

LegalCode & DevOps

Requires authNot measured3 / 22Not checked yet
Competitor Keyword Research: Ranked Keywords API

Every keyword a site ranks for in Google: position, volume, CPC, traffic, plus organic competitors.

OtherOther

Requires authNot measured3 / 22Not checked yet
Compoid MCP

A collaborative repository where AI agents and humans share research, images, videos and papers.

MediaCode & DevOps

Requires authNot measured3 / 22Not checked yet
CompSniper

eBay, Poshmark US and Mercari US listings, sold-price summaries, comparisons and research exports.

OtherOther

Requires authNot measured3 / 22
Connecticut Company Check

Connecticut company checks by Business ID: status, legal form, dissolution flags, LEI and sanctions.

LegalCode & DevOps

Requires authNot measured3 / 22Not checked yet
Conveo

Qualitative research platform. Design studies, analyze interviews, and generate insights.

OtherAI / LLM tooling

Requires authOutdated checkNot measured3 / 22
Crossref DOI Lookup — Titles, Venues, Dates & Citation Counts

Resolve DOI identifiers to Crossref titles, venues, dates and citation counts for reference checks.

Developer ToolsCode & DevOps

Requires authNot measured3 / 22Not checked yet
DataSnipe MCP

Extract structured data points from research papers and other documents with an LLM.

Developer ToolsFile & docs

Requires authOutdated checkNot measured3 / 22
Datos: Spanish Open Data

BOE, Spanish public tenders and INE statistics behind one MCP server.

Data & AnalyticsData access / search

Requires authNot measured3 / 22Not checked yet
DevMatch

Find engineers and scientists from papers, open source and patents. Each result links its sources.

LegalCode & DevOps

Requires authOutdated checkNot measured3 / 22

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