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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4903 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
Name Whisper — ENS Intelligence Layer

44 MCP tools to search, value, register, trade, and manage ENS names. AI-powered intelligence layer.

Developer ToolsData access / search

Outdated check674 ms15 / 22
Agent Surface

Search and read the Agent Surface guide to making websites, apps, APIs and CLIs work with AI agents.

Developer ToolsData access / search

Outdated check691 ms15 / 22
io.github.IsaiahDupree/agentsearch-mcp

LLM-ready web search + instant answers + URL-to-clean-text fetch for agents and RAG.

Developer ToolsData access / search

Responded693 ms15 / 22
kebiao 课标

Search and cite China's compulsory-education curriculum standards (2022, rev. 2025), 14 subjects.

EducationCode & DevOps

Outdated check694 ms15 / 22
OrchestKit Docs MCP

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Developer ToolsFile & docs

Responded718 ms15 / 22
Synchronity

Shop connected e-commerce stores: search, compare, cart, and checkout with buyer approval.

E-commercePayments & trading

Responded729 ms15 / 22
Ankra Docs

Search the Ankra documentation: clusters, stacks, GitOps, CI/CD and the CLI. No account needed.

Developer ToolsCode & DevOps

Outdated check733 ms15 / 22
pmndrs docs

Search and read the docs and examples of react-three-fiber, drei, zustand, jotai... from your agent

Developer ToolsCode & DevOps

Responded734 ms15 / 22
ViewportWitness by Apex Labs

Agent website testing: browser QA, visual regression, Markdown extraction, and security checks.

Developer ToolsFile & docs

Outdated check734 ms15 / 22
workspaceAlberta

Search every CanadaBuys and Alberta Purchasing Connection tender. Free briefs; Pro bid-room tools.

OtherData access / search

Outdated check736 ms15 / 22
Mode VC AI Chart Lab: 38 Empirical AI & Venture Charts

Search and retrieve time-series data across 38 empirical AI adoption and venture research charts.

OtherData access / search

Outdated check750 ms15 / 22
Web Search (Tanod)

Search the web and the news from an agent, with page text in the results when you ask for it.

MediaData access / search

Outdated check760 ms15 / 22
TATUAT.RO — Tattoo & Piercing Supplies

Tattoo and piercing supply catalog (Romania): search, live stock, shipping cost, checkout link.

Finance & CryptoPayments & trading

Outdated check763 ms15 / 22
AgingResearch.News

Search every new aging paper, judged on evidence, plus trials, grants, drug pipelines and news.

HealthcareData access / search

Responded764 ms15 / 22
mcp-my-site

Search and fetch tools for one website, served from an index you build with the mcpmysite crawler.

Developer ToolsBrowser & web scraping

Responded771 ms15 / 22
Sparkflights

Search flight fares by city, month, cabin and price, and watch a route for new deals.

TravelCode & DevOps

Responded788 ms15 / 22
Buy My Agent

Search a curated, human-reviewed AI agent marketplace, and post what you could not find.

Developer ToolsCode & DevOps

Outdated check789 ms15 / 22
Organiq GEO

Search Console and GA4 analysis (read-only Google): queries, decay, cannibalization, AI traffic.

OtherData access / search

Outdated check789 ms15 / 22
Mode VC: AI Venture Research Charts & Investor Atlas

Query 38 empirical AI market charts, evaluate distribution defensibility, and search 3,650+ VCs.

OtherData access / search

Outdated check797 ms15 / 22
ai.mitosislabs/mitosis

Mitosis agent-memory platform: pricing, docs search, platform status, agent skills. No auth.

Developer ToolsKnowledge & memory

Responded799 ms15 / 22
Rokha

Search a registry of agent skills and MCP servers, then run them for real. No install, traced.

Developer ToolsData access / search

Outdated check802 ms15 / 22
runx

The governed runtime for agent skills. Search the catalog and inspect a skill before running it.

Developer ToolsData access / search

Outdated check803 ms15 / 22
The Daily Workflow — AI Tools & Free Alternatives

Find free open-source replacements for paid software; search 15,000+ AI tools and MCP servers.

Developer ToolsAutomation & workflows

Outdated check806 ms15 / 22
Pin Seeker

Search golf tee times by natural language. Returns GolfNow booking links. Does not book or hold.

OtherData access / search

Responded809 ms15 / 22

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