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

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7732 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
Ortak Alan

Anahtarsız Türkiye verisi (TÜİK, TCMB), 81 il, ham seriler; Ortak Alan yazıları ve kurlar.

OtherOther

Responded76 ms13 / 22
Playtable

Make up any game and play it in chat: a fair table that deals, hides cards and rolls dice.

OtherOther

Responded76 ms13 / 22
AI Tools Directory

Curated index of 221 AI tools across 21 industries. Search by use case, department or pricing tier.

OtherData access / search

Responded76 ms13 / 22
501c3.HELP nonprofit compliance

Nonprofit compliance rules for all 50 US states, each with its official citation and status

OtherKnowledge & memory

Responded77 ms13 / 22
Markdown Lane Check - llms.txt, .md twins, Accept: text/markdown

Six checks: llms.txt, llms-full.txt, .md twins, Accept: text/markdown, sitemap.md, alt link. Free.

OtherFile & docs

Responded77 ms13 / 22
WeekSpots

Upcoming events and outings in Paris and Île-de-France, plus permanent places across France.

OtherOther

Responded77 ms13 / 22
Faceabot Rail Finland (VR)

Finnish trains (VR, Helsinki commuter): live direct trains and departures. Free, no key.

OtherOther

Responded77 ms13 / 22
Ángel Moncada Consulting

Perfil, servicios, casos y contacto de Ángel Moncada.

OtherOther

Responded77 ms13 / 22
NessGate

Resolve a domain to its published AI interfaces: discovery, readiness, and connection plans.

OtherOther

Responded78 ms13 / 22
Rat Radar

Ask before you scrape: is a site open, may I fetch this URL, and how do I extract a page. No key.

OtherBrowser & web scraping

Responded78 ms13 / 22
FaceBlur Guidance

Read-only guidance on blurring faces and removing metadata with FaceBlur's free browser tools.

OtherOther

Responded78 ms13 / 22
Besot: Musician Fashion Resale

Cross-source price compare for clothing musicians designed, wore, or founded. Real listings.

OtherOther

Responded78 ms13 / 22
Xianmi Library

Search and read ~250k pages of Chinese Buddhist texts from Xianmi Library (xianmi.co).

OtherData access / search

Responded78 ms13 / 22
Subvenciones España (BDNS)

Busca convocatorias de subvenciones y ayudas públicas en España (BDNS, datos oficiales)

OtherOther

Responded78 ms13 / 22
Atelier

Search and license original photographs for personal or commercial use, as screen and print files.

OtherData access / search

Responded78 ms13 / 22
Fabryka Haftu Opole - Wycena naszywek

Naszywki haftowane i sublimowane na zamówienie, wycena online. Custom embroidered patches, Poland.

OtherOther

Responded80 ms13 / 22
CAZ Cost

UK Clean Air Zone daily charges by council, per vehicle class, and what a trip costs.

OtherOther

Responded80 ms13 / 22
Chargt EV Charging

Find EV charging stations, live availability and prices across the Netherlands via NDW data.

OtherOther

Responded81 ms13 / 22
Mimo

Async MCP game for AI agents: shared poems in English and Russian, a line per move, sealed guesses.

OtherAI / LLM tooling

Responded81 ms13 / 22
Odile Gate

Free, no signup: per-app keys, allowed calls, approvals and an audit log for your API or model key.

OtherOther

Responded81 ms13 / 22
Waply for Kommo

Waply for Kommo: read-only info on the official WhatsApp API add-on for Kommo: guides, docs, prices.

OtherCommunication & messaging

Responded82 ms13 / 22
RealGeeks Company Registry

Official company registers for France, Norway, Finland and US SEC: search by name or look up by ID.

OtherData access / search

Responded82 ms13 / 22
Mooi

Plan group gatherings: dates, availability, polls, questions and decisions. No login or API key.

OtherOther

Responded82 ms13 / 22
Compare AI Workers

Compare 30 AI worker vendors across 5 categories: pricing hints, positioning, links. Free, no key.

OtherOther

Responded82 ms13 / 22

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