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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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
GeNEVERsleep

Read-only nightlife events for Geneva, Lausanne, Nyon, Romandy and neighbouring France.

OtherOther

Responded82 ms13 / 22
org.urgentvisa/visa-requirements

Visa requirements, fees, stay limits and extension rules for any passport and destination

OtherOther

Responded82 ms13 / 22
Contact Affordance

Check how to contact a business website, and whether that contact path actually works.

OtherOther

Responded83 ms13 / 22
de.honestdog/honestdog

Vetted German dog-breeder directory, S-E breed health grades and tests, adoptable shelter dogs

OtherOther

Responded83 ms13 / 22
Live Listing Proof

Verify a public listing URL and return source-supported facts or explicit fail-closed states.

OtherOther

Responded84 ms13 / 22
Postbot

Send real paper letters in the Czech Republic, ordinary or registered, via Česká pošta.

OtherOther

Responded84 ms13 / 22
VerixID Verifier

Verify VerixID proof-of-existence records and optionally prove ownership.

OtherOther

Responded84 ms13 / 22
AIBuilder Marketplace: software pricing dossiers

Dated plan prices, cost traps with evidence and hands-on results for 540 business-software tools.

OtherOther

Responded84 ms13 / 22
Apologetics Wiki

Bible verses, cross-references, Greek and Hebrew word studies, and Christian apologetics articles.

OtherKnowledge & memory

Responded85 ms13 / 22
Business Contact Finder

Check how to contact a business website, and whether that contact path actually works.

OtherOther

Responded85 ms13 / 22
Nume calculators

Daily calories, BMI, protein and water for adults, each with its range and method.

OtherOther

Responded86 ms13 / 22
Está no Ir — short trips (read-only)

Read-only 1-3 day trips in PT/Europe by train, boat, plane and on foot. Not an agency.

OtherOther

Responded86 ms13 / 22
WashEdge (US)

Search, filter and compare washing machines on WashEdge, with official US data where certified.

OtherData access / search

Responded86 ms13 / 22
PartPacket — 3D printing quotes

Compare FDM STL estimates from Slant 3D and Craftcloud. Fees/shipping separate. Order requests only.

OtherOther

Responded86 ms13 / 22
Lumichess

Chess tools: game reviews for Chess.com and Lichess, FIDE ratings, openings, positions, puzzles.

OtherOther

Responded86 ms13 / 22
GVE Public Governed Knowledge

Read-only public, governed enterprise knowledge published by GVE, with provenance and validation.

OtherOther

Responded86 ms13 / 22
Volcano Guide – volcano alert levels

Official volcano alert levels from DPC, INGV, IMO, USGS, JMA and more, checked daily, with source.

OtherOther

Responded87 ms13 / 22
AI360Feedback

Free 360-degree feedback with AI reports: start a 360, compare tools, check progress.

OtherOther

Responded87 ms13 / 22
DharmikVibes Wellness

Spiritual wellness journeys, retreats and sessions across India, with plans and published prices

OtherOther

Responded87 ms13 / 22
Carryo Website Publisher

Publish and update HTML websites, landing pages, reports and proposals from AI chat. OAuth sign-in.

OtherOther

Responded88 ms13 / 22
Malinica

Search classified listings on Malinica, a Serbian free serbian classifieds marketplace.

OtherData access / search

Responded89 ms13 / 22
CuttingToolsAI Grade Cross-Reference

Cross-brand carbide grade equivalents from verified manufacturer charts; never invents a grade.

OtherOther

Responded89 ms13 / 22
GROO reality

Nabídka nemovitostí GROO reality — byty, domy a pozemky v Praze a okolí. Jen pro čtení, bez klíče.

OtherOther

Responded89 ms13 / 22
com.auto-reader/ocr

Arabic-first OCR, translation and document extraction. First call mints a free trial key.

OtherFile & docs

Responded90 ms13 / 22

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