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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7740 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
FuelAzores

Official maximum fuel prices, effective dates and history for the Azores and Madeira.

OtherOther

Responded347 ms13 / 22
Sunset Spa – Sint Maarten

Sint Maarten day spa: treatments, prices, live free times and booking requests.

OtherOther

Responded348 ms13 / 22
com.leagueofspin/spots

Find 27,000+ outdoor ping pong tables worldwide, with spot details and live playing conditions.

OtherOther

Responded348 ms13 / 22
Instantáneas — noticias de Bolivia

Noticias de Bolivia y del mundo, e historias de varios medios (Hilos), del periódico Instantáneas.

OtherOther

Responded350 ms13 / 22
GoNoGo

Pressure-test a startup idea in a live voice interview with an AI mentor; get a GO/NO-GO verdict.

OtherOther

Responded351 ms13 / 22
Shipstry Launch Data

Weekly product launch data from Shipstry: launches, winners, and category benchmarks.

OtherOther

Responded352 ms13 / 22
Merron

Inspect selected project excerpts and screen user-confirmed facts for bounded EU AI Act readiness.

OtherOther

Responded352 ms13 / 22
Singapore Buying Desk (Connective Labs)

Firm SGD quotes and delivery in Singapore for office and IT supplies, ink, toner and event print

OtherOther

Responded353 ms13 / 22
Hologram Model Hub

Find open models and get download links with the SHA-256 each file must have.

OtherOther

Responded354 ms13 / 22
Shoot Plan

Practical filming plans for AI assistants, with tools to draft, check and export shot plans.

OtherOther

Responded358 ms13 / 22
com.iberiapath/dnv-spain

Spain Digital Nomad Visa: eligibility check by UGE rules, sworn translators search, visa facts.

OtherData access / search

Responded358 ms13 / 22
Plan Data API

Form 5500 data for prospecting and research: U.S. retirement plans, recordkeepers, fees, switches.

OtherOther

Responded359 ms13 / 22
s&box watch

Live read-only discovery for public s&box packages, servers, and player activity.

OtherOther

Responded359 ms13 / 22
com.nabarfinder/nabarfinder

Human-verified directory of non-alcoholic bars: 1,500+ venues in 70 cities, rated and re-checked.

OtherOther

Responded361 ms13 / 22
com.valksor/scythian

Grounds LLMs in real Scythian: Proto-Scythian lemmas, etymologies, Ossetian/Khotanese descendants.

OtherOther

Responded362 ms13 / 22
coExploro

Read coExploro product teardowns: overall, UX and persona scores and top findings.

OtherOther

Responded362 ms13 / 22
e-Factura Validator (Romania)

Validate, fix and generate Romanian e-Factura; check SAF-T D406 (ANAF validator + consistency)

OtherAI / LLM tooling

Responded363 ms13 / 22
Endorsement Index: HUD multifamily loans

FHA-insured apartment loans from HUD's active file, plus HUD multifamily program rules and limits.

OtherOther

Responded363 ms13 / 22
Entogo power-equipment knowledge & tools

Entogo (Canada) transformers, switchgear, BESS, EV charging: catalogue, lead times, EV sizing, RFQ

OtherOther

Responded363 ms13 / 22
Stack Gems

Read-only search of 900+ reviewed developer tools, each with a verdict and caveats. Free/OSS first.

OtherData access / search

Responded365 ms13 / 22
Cite Files

Check whether AI assistants can reach, read and cite a public website. No account for 4 of 5 tools.

OtherOther

Responded365 ms13 / 22
El Pujante — Subastas públicas de España

Spanish public property auctions (judicial, AEAT, Social Security): daily data and risk flags.

OtherOther

Responded366 ms13 / 22
GroceryPulse Canada

Read-only grocery-list comparisons for supported Canadian cities, with dated prices and coverage.

OtherOther

Responded366 ms13 / 22
AstroWay API Docs

AstroWay API documentation search and endpoint lookup with credit prices. No API key needed.

OtherData access / search

Responded368 ms13 / 22

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