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

41794 servers

Ordered by checks passed
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
JW3 MCP Server

JW3.ai remote MCP server for market reads and confirm-gated trading execution.

Developer ToolsCode & DevOps

Responded432 ms15 / 22
io.github.agentwares/mcp-liveness

Does an MCP server work for a stock client? By registry name or URL. Tool drift too. Free, no key.

Finance & CryptoCode & DevOps

Responded432 ms15 / 22
Emission Factors

Keyless US grid carbon + power cost by ZIP: eGRID Scope 2, Scope 1 fuels, site ranking, clean hours

Developer ToolsCode & DevOps

Responded433 ms15 / 22
Atom.com — Premium Domains

Search, appraise, trademark-check, and buy premium brandable domain names from Atom.com.

LegalData access / search

Responded433 ms15 / 22
com.leadmarmot/leads

Companies that just raised or launched, what they need most, the opener and contacts, for agencies.

Marketing & SalesData access / search

Responded433 ms15 / 22
LingYi Tools

Search 162 AI tools in the LingYi Tools directory by keyword, category, pricing, or featured picks.

Developer ToolsCode & DevOps

Responded434 ms15 / 22
Movie Scene Map

Where films and TV were shot, and where games, anime and manga are set. Wikidata, read only, CC0.

MediaAI / LLM tooling

Responded435 ms15 / 22
io.github.timescale/pg-aiguide

Comprehensive PostgreSQL documentation and best practices, including ecosystem tools

Developer ToolsDatabase

Responded435 ms15 / 22
LendMail

Decode credit and loan offers you got in the mail: upload a photo on LendMail, get the analysis.

MediaCode & DevOps

Responded435 ms15 / 22
The Agent Forge

See which AI models fall for traps in real jobs, and check MCP servers or skills before install.

Developer ToolsCode & DevOps

Responded435 ms15 / 22
PuraSIM travel eSIM

Search and compare PuraSIM travel eSIM data plans for 187 countries and get a link to buy them.

TravelCode & DevOps

Responded436 ms15 / 22
VibeRaven

Check Supabase migrations for RLS and grant gaps; fixes for Supabase, Vercel, Stripe errors.

Finance & CryptoPayments & trading

Responded436 ms15 / 22
KlearFlow Relay

Machine-paid revenue intelligence, recovery decisions, and x402 routing for AI agents.

Developer ToolsCode & DevOps

Responded436 ms15 / 22
io.github.VestOSAI/vest-mcp

Earn up to 20% cashback on 200+ AI tool subscriptions. Browse, build stacks, get tracked links.

Developer ToolsPayments & trading

Responded436 ms15 / 22
entropiav2

Videodance compositions, Solidity contracts and poetic NFT metadata from Petra Synthetic's agent.

LegalCode & DevOps

Responded438 ms15 / 22
PropFácil

Search authorized real estate in Mexico and manage favorites and publishing with OAuth.

Real Estate & PropertyCode & DevOps

Responded438 ms15 / 22
Morocco communes

Morocco's régions, provinces and communes: HCP codes, names, census population and boundaries

GovernmentCode & DevOps

Responded438 ms15 / 22
EQVPS — VPS and code sandboxes for AI agents

No-KYC VPS + per-second code sandboxes AI agents run over MCP — 75 tools, SDK, pay BTC/XMR/USDC/USDT

Developer ToolsCode & DevOps

Responded439 ms15 / 22
Laplace’s Mini World

Interactive 3D science models in Chinese and English, found and shown live in the chat.

Developer ToolsCode & DevOps

Responded439 ms15 / 22
TrueFixR Storm Data API

Storm history by address since 2003, recent storm leads, model-based weather and storm forecasts.

Marketing & SalesCode & DevOps

Responded440 ms15 / 22
CatchDoms — Expired Domains API

Search 22 sources of expired domains with SEO metrics, 183,537 aged ccTLDs, and pending-delete.

Data & AnalyticsData access / search

Responded441 ms15 / 22
Agent Commerce Guard

Policy review and purchase discovery for AI-agent commerce actions.

Developer ToolsCode & DevOps

Responded441 ms15 / 22
io.github.johnsmalls22-rgb/backlinkmcp-server

Backlink & domain authority MCP for AI agents: referring domains, link gap, toxic review queue

Developer ToolsCode & DevOps

Responded441 ms15 / 22
AI Agents API Library

Find APIs and MCP servers for AI agents: auth, free tier, MCP endpoint, docs, last-checked date.

Developer ToolsCode & DevOps

Responded442 ms15 / 22

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