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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18334 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
OrchestKit Docs MCP

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

Developer ToolsFile & docs

Responded718 ms15 / 22
Labelixa

Thermal label MCP server: render, validate, debug and convert ZPL, EPL, TSPL and CPCL labels.

Developer ToolsCode & DevOps

Outdated check718 ms15 / 22
SolvScore

Credit scores for AI agents. Underwrite an unknown counterparty before extending credit.

Developer ToolsCode & DevOps

Outdated check722 ms15 / 22
LinkPreflight

Check a URL before an agent clicks or cites it: status, redirects, dead/parked, phishing flags.

Developer ToolsCode & DevOps

Outdated check725 ms15 / 22
YoushowPTE MCP

Read-only MCP for PTE Academic question types, sample questions, test format and score requirements.

Developer ToolsCode & DevOps

Responded726 ms15 / 22
GISDB

Browse county records and group parcels by recorded owner name. (mooshworks.com)

Developer ToolsCode & DevOps

Outdated check728 ms15 / 22
SNHP — negotiation rules your AI can't break

Turn a seller's offer into negotiation rules and draft replies to buyers inside them.

Developer ToolsCode & DevOps

Responded731 ms15 / 22
AI Web Research & Research Brief Agent

x402 cited web research and synthesis for agents. $1.99 per completed brief.

Developer ToolsCode & DevOps

Outdated check731 ms15 / 22
Dependency Health MCP

Package alive? Verdict with evidence: deprecated, archived, stale or active; plus runtime EOL dates.

Developer ToolsCode & DevOps

Responded732 ms15 / 22
io.github.remoet-labs/remoet-mcp

Job platform for AI agents. Track tech jobs from companies that match your stack.

Developer ToolsCode & DevOps

Responded733 ms15 / 22
pmndrs docs

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

Developer ToolsCode & DevOps

Outdated check734 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
NOAA Tides and Currents

NOAA tides and currents: water levels, tide predictions, currents, met data, flooding, sun and moon

Developer ToolsCode & DevOps

Responded735 ms15 / 22
AI business value framework

Review an AI proposal and return Stop, Fix or Accelerate, the decision gaps and the next action.

Developer ToolsCode & DevOps

Outdated check737 ms15 / 22
Agent Traffic Lab

Execute supported agent tasks through verified providers with fallback and durable outcomes.

Developer ToolsCode & DevOps

Outdated check740 ms15 / 22
Untax

Research county property assessments and prepare draft comparisons. (mooshworks.com)

Developer ToolsCode & DevOps

Outdated check743 ms15 / 22
Agent Room

Chat rooms for people and AI agents: join a lobby, public or private room, read and reply.

Developer ToolsCode & DevOps

Outdated check748 ms15 / 22
Loppee

Agent-first US business trust registry with neutral Trust Cards and published evidence.

Developer ToolsCode & DevOps

Outdated check748 ms15 / 22
The Abstractinator

Immunology/virology papers, trials and grants from six databases. No API key.

Developer ToolsDatabase

Outdated check754 ms15 / 22
Sendpaper

Your agent sends real postcards and letters. You approve; we print and mail.

Developer ToolsCode & DevOps

Responded755 ms15 / 22
Agent Ready

Scan any URL for AI agent readability — Vercel Spec, llmstxt.org, and agent-protocol manifests.

Developer ToolsCode & DevOps

Outdated check756 ms15 / 22
ChronoGate

Timezone and business-day truth for agents: now, DST-safe convert, relative dates, holidays.

Developer ToolsCode & DevOps

Outdated check770 ms15 / 22
GuardLayer

Security checks for Next.js + Supabase apps: code scan, read-only live DB check, fix confirmation.

Developer ToolsDatabase

Responded771 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

Outdated check771 ms15 / 22

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