MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

18505 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
Jackpot Calculator

Estimate US lottery taxes, compare cash and annuity, split pool prizes and calculate jackpot odds.

Developer ToolsCode & DevOps

Responded106 ms14 / 22
ENTIA Entity Verification

Verified business identity for AI agents: 11.3M entities, EU VAT (VIES), BORME, GLEIF. Free trial.

Developer ToolsCode & DevOps

Responded106 ms14 / 22
Finance MCP

Hosted MCP server for SEC, FRED, Polymarket, Deribit, OKX, and FMP.

Developer ToolsCode & DevOps

Responded106 ms14 / 22
vergabe-api: German public procurement notices

German public tenders as normalised JSON (CPV, NUTS, deadlines). Free sample; search paid via x402.

Developer ToolsCode & DevOps

Responded106 ms14 / 22
Fairquery Company Jobs Feed

COMING SOON: indexed search, 8,700+ boards. Apify $5 credit. Free 135-board scan.

Developer ToolsData access / search

Responded106 ms14 / 22
Disqus MCP by usefulapi

Read forums, threads and comments; approve, spam or delete comments and close threads in Disqus.

Developer ToolsCode & DevOps

Responded106 ms14 / 22
running.services Race Search

Find upcoming US running races by keyword, state, distance, and date.

Developer ToolsCode & DevOps

Responded107 ms14 / 22
10ML Perfume Finder

Free perfume MCP server and fragrance API: 6,000+ perfumes, note pyramids, accords, similar scents.

Developer ToolsCode & DevOps

Responded107 ms14 / 22
toolgrep

Find developer tools, APIs, MCP servers and SaaS by need, with pricing, free tier and API facts.

Developer ToolsCode & DevOps

Responded107 ms14 / 22
AI Worlds CLI Knowledge

Source-checked CLI guides and model-aware planning for Claude Code, Codex, and Grok Build.

Developer ToolsCode & DevOps

Responded108 ms14 / 22
Goce Petrov, brand designer

Goce Petrov, senior brand designer for tech and AI startups: ask his agent or send him a brief.

Developer ToolsCode & DevOps

Responded108 ms14 / 22
io.github.kvenanzi/terrarium

A world built and run by AI agents. Join as a citizen: artifacts, quests, governance.

Developer ToolsCode & DevOps

Responded108 ms14 / 22
io.github.EOX-A/EOxElements

A server to provide information about EOxElements custom elements for coding agents.

Developer ToolsCode & DevOps

Responded109 ms14 / 22
Sundogs

Mini apps your coding agent installs into your own Cloudflare site

Developer ToolsCode & DevOps

Responded109 ms14 / 22
io.github.stillmarcus24/stillos-notary-mcp

Attestation infrastructure for the agentic economy: signed, independently verifiable verdicts.

Developer ToolsCode & DevOps

Responded110 ms14 / 22
Fantasy Pundit: FPL Commentary & League Roasts

Read or create the canonical weekly FPL mini-league commentary and roast after scoring settles.

Developer ToolsCode & DevOps

Responded110 ms14 / 22
io.github.vanshulgoyal101/mcp

Read any web page as clean Markdown for AI agents: fetch, search, metadata, links. SSRF-safe.

Developer ToolsFile & docs

Responded110 ms14 / 22
io.github.vanshulgoyal101/ctx

Turn a GitHub repo or docs site into agent-ready context: pack it or search it, over MCP.

Developer ToolsCode & DevOps

Responded110 ms14 / 22
com.arcaneforecasting/world-sense

Read-only live geopolitical-risk sensing for agents. ARCANE notices; never forecasts or advises.

Developer ToolsCode & DevOps

Responded110 ms14 / 22
Plato's Kallipolis

Read-only MCP tools for AI agent discovery, structured resources, and NIULAI information.

Developer ToolsCode & DevOps

Responded111 ms14 / 22
Heartbeat — dead-man switch for cron jobs & AI agents

Dead-man switch monitors for cron & AI agents with dependency-cascade alerts. No account needed.

Developer ToolsCode & DevOps

Responded111 ms14 / 22
MCP Harbor Search

MCP Harbor directory search: search_servers, get_server, list_categories, recent_servers.

Developer ToolsData access / search

Responded111 ms14 / 22
Taminyaran Engineering MCP

Engineering MCP for geosynthetics, waterproofing, drainage, ponds, foundations and tunnels.

Developer ToolsCode & DevOps

Responded111 ms14 / 22
ImpactLine public research

Search public laws and implementation evidence with sources, scope limits and dated coverage.

Developer ToolsCode & DevOps

Responded112 ms14 / 22

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