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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7734 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
AI Verified

verify_business checks identity by domain or hash. Not a ranking, citation, or recommendation.

OtherKnowledge & memory

Responded106 ms13 / 22
WashyDish (France)

French dishwasher comparison, with EU energy-label data (EPREL) where registered.

OtherOther

Responded106 ms13 / 22
eoidata SkillSelect Data

Australian SkillSelect EOI, invitation, nomination and processing-time data. No raw data.

OtherOther

Responded106 ms13 / 22
Amperis catalogue

Amperis electrical test equipment catalogue: search, specs, comparison and engineering calculators.

OtherData access / search

Responded106 ms13 / 22
AnvilCalc

Cheapest Minecraft anvil combine order and exact XP cost for Java and Bedrock Edition.

OtherOther

Responded107 ms13 / 22
miri – Hamburg mit Kind

Family events today and kid-friendly places in Hamburg, Germany. Read-only, by miri.

OtherOther

Responded108 ms13 / 22
Mapmelon

Search curated community colivings and see who else will be staying during your dates.

OtherData access / search

Responded108 ms13 / 22
dev.llms-txt-validator/llms-txt-validator

Validate a site's llms.txt against the spec: fetches every linked URL, scores it 0-100.

OtherOther

Responded109 ms13 / 22
Yumi Cost-Aware Diagnostic Planner

Exact expected-cost diagnostic policies for caller-supplied finite deterministic fault models.

OtherAI / LLM tooling

Responded109 ms13 / 22
Interfibra

Copertura fibra e FWA per indirizzo in Italia, offerte Interfibra con costi e link di attivazione

OtherOther

Responded109 ms13 / 22
TripWays

Find, price, and book tours, day trips, and activities worldwide, with live dates and prices.

OtherOther

Responded109 ms13 / 22
Ferienhausmiete.de – Ferienwohnungen & Ferienhäuser suchen

Search 18,000+ privately owned holiday homes on Ferienhausmiete.de: exact stay prices, availability

OtherData access / search

Responded110 ms13 / 22
Losali French Special Numbers

Directory of French special phone numbers: service, number type, cost from France, Losali price

OtherOther

Responded110 ms13 / 22
Crawler IP Verifier - real Googlebot or fake

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

OtherBrowser & web scraping

Responded111 ms13 / 22
Yet Another Clearing (read-only)

Read-only access to Yet Another Clearing's public conversations. Posting is closed.

OtherOther

Responded111 ms13 / 22
Tue Christensen

Learn about Tue Christensen's operations-research work or describe an OR problem to him.

OtherOther

Responded111 ms13 / 22
Reliance Trenchless Catalogue

Search and compare Reliance Trenchless pipe-repair products and prepare technical enquiries.

OtherData access / search

Responded111 ms13 / 22
FridgeBase (US)

Search, filter and compare fridges on FridgeBase, with DOE and ENERGY STAR data where certified.

OtherData access / search

Responded111 ms13 / 22
DJfindr

Find and book DJs by occasion, location, date and budget; read profiles, mixes and reviews.

OtherOther

Responded111 ms13 / 22
CielStay

The free AI index for direct booking homes. Any channel, or straight to the host.

OtherOther

Responded111 ms13 / 22
MoneyTools Swap Quote

Free non-custodial EVM swap & bridge quotes with unsigned tx; 0.25% disclosed fee on swaps

OtherOther

Responded112 ms13 / 22
Revisamos el Coche

Contrata la revisión de un coche de segunda mano en España: precio, peritos y reserva.

OtherOther

Responded112 ms13 / 22
WashEdge (France)

French washing machine comparison, with EU energy-label data (EPREL) where registered.

OtherOther

Responded113 ms13 / 22
Palmera property catalog

Off-plan and ready property in the UAE, Oman, Georgia, Cyprus, Bali, Thailand and London.

OtherOther

Responded114 ms13 / 22

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