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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41808 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
CordFind Generator Compatibility

Search generator guides, check connector compatibility, and plan generator cord size.

Developer ToolsCode & DevOps

Responded477 ms15 / 22
NORMOT — Israeli building norms

Israeli building and planning norms: permits, fire, accessibility; Hebrew text, source, citation.

Developer ToolsCode & DevOps

Responded477 ms15 / 22
Nearby Permits

Building permits by address for a growing list of US cities and counties, from city open data.

OtherOther

Responded477 ms15 / 22
co.pixelcove/topic-scorer

Score pages against 11,485 public taxonomy categories by embedding similarity. Free.

Developer ToolsAI / LLM tooling

Responded477 ms15 / 22
Citehound

Scan any domain for AI readiness and generate llms.txt, robots.txt and schema. Free, read-only.

Developer ToolsCode & DevOps

Responded478 ms15 / 22
American Default Research

Read-only U.S. household-finance research: economic indicators, county scores, ADI and citations.

OtherKnowledge & memory

Responded478 ms15 / 22
Shakespeare's Monologues

Search Shakespeare monologues, plays, paraphrases and summaries from shakespeare-monologues.org

Developer ToolsCode & DevOps

Responded479 ms15 / 22
Zensei Index

Today's Zensei Index: a 0-100 US market risk score, its ten indicators and the latest summary.

Developer ToolsCode & DevOps

Responded480 ms15 / 22
Chalet-Montagne.com

Search French mountain holiday rentals and contact owners directly — commission-free.

OtherData access / search

Responded480 ms15 / 22
Asked Thrice

Measure whether AI assistants actually recommend a brand, from measured answers.

OtherOther

Responded480 ms15 / 22
Recao

Rank a competitor's EU App Store ads by longevity. From Apple's official Ad Repository.

Developer ToolsCode & DevOps

Responded480 ms15 / 22
Cronus UI

Search, install, compose, add-page, and theme Cronus UI from the live registry.

Developer ToolsCode & DevOps

Responded481 ms15 / 22
io.github.smijo-geek/scamcheck-mcp-server

Scan suspicious messages, URLs, and text for scams with AI. Free tier - no API key required.

Developer ToolsCode & DevOps

Responded482 ms15 / 22
Astrodai Vedic Astrology & Ephemeris Engine

Vedic astrology and ephemeris engine calibrated to Swiss Ephemeris and Jagannatha Hora.

Developer ToolsCode & DevOps

Responded483 ms15 / 22
AI Developer Toolkit documentation

Search and read guides on Claude Code, Codex and Cursor, in English and Polish.

Developer ToolsFile & docs

Responded484 ms15 / 22
Lection

Search YouTube videos, channel uploads and comments as tables; manage Lection schedules.

MediaCode & DevOps

Responded484 ms15 / 22
Readiness scorer — can an agent sign up to your SaaS?

Probe a signup URL you own and score whether an AI agent can sign up unaided.

Developer ToolsCode & DevOps

Responded484 ms15 / 22
AISOTools

Check whether AI assistants recommend a product, and search or compare 3,000+ AI tools.

Developer ToolsCode & DevOps

Responded486 ms15 / 22
co.leafwright/leafwright

Render HTML, URLs, and templates to PDF. AI drafts templates and fixes them from logs.

OtherFile & docs

Responded486 ms15 / 22
Sleek

Design your mobile app UI with AI, then have your coding agent build the real app from it.

Developer ToolsCode & DevOps

Responded487 ms15 / 22
com.chaink9/chaink9

Token risk checks on BSC, ETH, Base and Arc: trades the token on a fork. Paid in USDC/USDT via x402.

Finance & CryptoPayments & trading

Responded487 ms15 / 22
com.failecho/failecho

Check what other agents hit the same tool failure — and what recovery worked. Ask before retrying.

Developer ToolsCode & DevOps

Responded488 ms15 / 22
Politicians by Jev

Ask anything about 100 famous US politicians; Jev, TypeSafe AI's model, scores all 100 and picks.

Developer ToolsCode & DevOps

Responded489 ms15 / 22
xupersplit

Split shared expenses in a group — no account needed. See who owes whom and settle up.

Developer ToolsCode & DevOps

Responded489 ms15 / 22

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