MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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
Special Education Law

Searchable special education decisions and legal research tools.

LegalCode & DevOps

Requires authOutdated checkNot measured3 / 22
StackFast FractWin Expert Brain

Expert knowledge base for sales, negotiation, strategy, operations, and risk.

Developer ToolsKnowledge & memory

Requires authNot measured3 / 22Not checked yet
Switzerland Company Check

Switzerland company checks by UID: status, liquidation, legal form, LEI and sanctions.

LegalCode & DevOps

Requires authNot measured3 / 22Not checked yet
SYMBaiEX Evidence MCP

Authenticated public evidence search, verification, research jobs, exports, and webhooks.

Developer ToolsAutomation & workflows

Requires authNot measured3 / 22Not checked yet
Talarion

A knowledge base of verified, dated facts your LLM would otherwise get wrong.

Developer ToolsKnowledge & memory

Requires authOutdated checkNot measured3 / 22
Tareno

Social media accounts, drafts, analytics, media, viral research and approval-backed publishing.

Marketing & SalesCode & DevOps

Requires authOutdated checkNot measured3 / 22
tariff.watch

Source-linked US tariff and trade-action changes: legal status, effective dates, dated archive.

LegalCode & DevOps

Requires authNot measured3 / 22Not checked yet
Tauric

Market data, filings, fundamentals, macro, news and research runs for AI assistants.

Finance & CryptoData access / search

Requires authNot measured3 / 22Not checked yet
TheySaid

Customer research analysis and AI usability testing on any website or design.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Thirdwatch

Structured job, company and market research with source links through a Thirdwatch account.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Trading Statistics by Ocarrat

Trading journal, options risk checks, position sizing and Monte Carlo analytics for AI assistants.

Data & AnalyticsPayments & trading

Requires authNot measured3 / 22
Trakkr

AI visibility analytics for brands across citations, prompts, competitors, research, and reports.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
TransformSEO

SEO analysis server with 128 tools for keyword research, competitors, backlinks, and more.

Marketing & SalesData access / search

Requires authNot measured3 / 22Not checked yet
Ubersuggest

Ubersuggest SEO tools: keyword research, competitor analysis, backlinks, site audits and more.

Marketing & SalesData access / search

Requires authNot measured3 / 22
UK Data: Eurostat EU statistics

Eurostat headline figures by country: inflation, unemployment, GDP growth, debt, minimum wages

Data & AnalyticsData access / search

Requires authNot measured3 / 22Not checked yet
UK Data: Maths and statistics

Averages, spread, chi-square, regression, primes, factorials, probability, areas and distances

Data & AnalyticsData access / search

Requires authNot measured3 / 22Not checked yet
UK Data: Maths and working days

Safe maths and statistics, and UK working-day arithmetic using official bank holidays

Data & AnalyticsData access / search

Requires authNot measured3 / 22Not checked yet
UK Data: Reference

Wikipedia summaries, books by ISBN, products by barcode, IP ownership, unit conversion

OtherKnowledge & memory

Requires authNot measured3 / 22Not checked yet
UK Data: Research papers

Search 250M scholarly works (OpenAlex, Crossref, arXiv, PubMed) and resolve any DOI

OtherKnowledge & memory

Requires authNot measured3 / 22Not checked yet
UK Data: UK statistics and Bank of England

ONS statistics and time series (CPI, GDP, unemployment) and Bank of England rates

Data & AnalyticsData access / search

Requires authNot measured3 / 22Not checked yet
UK Data: Web research

Wayback Machine snapshots, on-page SEO audits and Wikidata facts about companies and people

Marketing & SalesData access / search

Requires authNot measured3 / 22Not checked yet
US States Company Check

US state company checks (CT, CO, PA, IA, DC) by state ID: status, legal form, LEI and sanctions.

LegalCode & DevOps

Requires authNot measured3 / 22Not checked yet
WalletFollow

Read-only Hyperliquid wallet, market and portfolio research with source timestamps and coverage.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured3 / 22
Waysmith Advisor

Fit-first college search and list-building. Research culture, real costs and odds for 400+ colleges.

OtherData access / search

Requires authOutdated checkNot measured3 / 22

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