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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18472 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
mcpcost

Health and token cost of every remote MCP registry server, probed daily. Look up, search, or probe.

Developer ToolsData access / search

Outdated check2112 ms15 / 22
LAYIQ Jobs

Find public job listings and explore roles from LAYIQ. Read-only; no account or login needed.

Developer ToolsCode & DevOps

Outdated check2128 ms15 / 22
Responded2140 ms15 / 22
WHOIS

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

Developer ToolsCode & DevOps

Responded2209 ms15 / 22
Yinyang Masters

Tarot, astrology, numerology, Tu Vi and Bazi tools plus guides on habits and manifestation.

Developer ToolsCode & DevOps

Responded2280 ms15 / 22
io.github.wygogogo19/robotbase-dev

Agent MCP: 18 tools — GitHub/HF/npm/PyPI/HN trends plus 17 web tools for coding agents.

Developer ToolsCode & DevOps

Responded2299 ms15 / 22
MkSaaS Docs

Search published MkSaaS documentation. Read-only and public.

Developer ToolsFile & docs

Outdated check2350 ms15 / 22
io.github.assafbar2/agentswitchboard

Search a curated directory of 800+ AI agents, MCP servers, and agentic tools.

Developer ToolsCode & DevOps

Responded2466 ms15 / 22
FateTell

Deterministic BaZi (Four Pillars) charts, Chinese almanac and saved FateTell charts.

Developer ToolsCode & DevOps

Responded2520 ms15 / 22
NOT FOR HUMANS

Public NFH knowledge, ownership epochs, versioned learning, Odd Jobs, and unsigned preparation.

Developer ToolsCode & DevOps

Outdated check2569 ms15 / 22
AIHOT

Chinese AI news: search topics, explore hot events, and read daily, weekly and monthly briefs.

Developer ToolsCode & DevOps

Responded2643 ms15 / 22
ComplianceCN — toys, batteries, cosmetics, food contact: CE, GPSR, UN 38.3, CPC/GCC and more

Source-cited EU/UK/US/AU market-access checks for Amazon and cross-border product compliance.

Developer ToolsCode & DevOps

Responded2678 ms15 / 22
io.github.pooriaarab/luxurygaragebuilders

Find collector garage builders, car lifts and storage.

Developer ToolsCode & DevOps

Responded2903 ms15 / 22
io.github.richard-kim-79/popup-mcp

Popup (popup2026.com): search & read public pages with no auth; create shareable web pages via AI.

Developer ToolsCode & DevOps

Responded2907 ms15 / 22
io.github.pooriaarab/goldenvisas

Find authorised agents for residence and citizenship by investment.

Developer ToolsCode & DevOps

Responded3242 ms15 / 22
nidhipati — proof of spend for AI agents

Proof-of-spend and reserve checks for AI agents: receipts, spend audit, NAV, reconciliation.

Developer ToolsCode & DevOps

Outdated check3379 ms15 / 22
Moatlight

Measure AI search visibility: start reports, read results and the ranked plan.

Developer ToolsData access / search

Responded3511 ms15 / 22
Agent Utility Network

Outcome-first x402 services led by AveDaris Company Intelligence with free task routing on Base.

Developer ToolsCode & DevOps

Responded3572 ms15 / 22
io.github.wygogogo19/robotbase-content

Agent MCP: 35 tools — social hot lists, attention trends, 80k+ books, 17 web tools.

Developer ToolsCode & DevOps

Responded3740 ms15 / 22
Redocly

Search and read the Redocly product docs, guides and blog on redocly.com, and report a wrong page.

Developer ToolsData access / search

Responded3834 ms15 / 22
uk.co.dilapidationsquotes/site

Dilapidations Quotes: the site's own MCP server — enquiry (enquiry = a human handoff, not a...

Developer ToolsCode & DevOps

Responded931 ms15 / 22
Tribunal TRT6: Consulta Processual

Tribunal TRT6: Lookup Processual, official-source lookup. Platform-hosted, pay per query with prepai

Developer ToolsCode & DevOps

Responded443 ms15 / 22
Tribunal TST: CNDT

Tribunal TST: CNDT, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Developer ToolsCode & DevOps

Responded636 ms15 / 22
SEFAZ MT: Reimpressão de Certidão Negativa de Débitos

SEFAZ MT: Reimpressão de Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay

Developer ToolsCode & DevOps

Responded541 ms15 / 22

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