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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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
Cheapest Grocery Basket

Where to buy a whole grocery list today: local prices, per-unit and cross-store comparison.

OtherOther

Responded120 ms13 / 22
contboxx Procurement

Plans, prices and non-binding quotes for contboxx digital signage content. Nothing is bought here.

OtherOther

Responded120 ms13 / 22
BGB (Germany)

German Civil Code (BGB) as executable rules: periods, deadlines and more, answered with grounds

OtherOther

Responded121 ms13 / 22
French family benefits (CNAF corpus)

French family-benefit models (CNAF corpus) as executable rules with sources; independent demo

OtherOther

Responded121 ms13 / 22
WoodRoar (US)

Search, filter and compare chainsaws in WoodRoar's catalogue, each with a link to its page.

OtherData access / search

Responded121 ms13 / 22
Mystic Timing: birth time readings

What your birth date and time say about you: personality, love, timing. Readings in 20 languages.

OtherOther

Responded121 ms13 / 22
UNIDROIT Principles 2016

UNIDROIT Principles 2016 as executable rules: closed questions answered with grounds and source text

OtherOther

Responded122 ms13 / 22
Human Task Desk — Ron Long

Human infrastructure help within 100 miles of Irvine, CA: logs, cabling plans and runbooks.

OtherAI / LLM tooling

Responded122 ms13 / 22
Gasoliguapis

Spanish MITECO fuel prices with dates and links: LPG, AdBlue, petrol 95 and diesel.

OtherOther

Responded122 ms13 / 22
GetFit

Build a workout that fits your time, gear and body — free, no sign-in.

OtherOther

Responded122 ms13 / 22
blueDEX

Non-custodial DEX aggregator for autonomous AI agents: best-price swaps on 8 chains, no API key.

OtherOther

Responded123 ms13 / 22
UK sin filtro

Calculadoras de nómina, impuestos, ISA y vivienda en UK, y guías de dinero en UK, en español.

OtherOther

Responded123 ms13 / 22
Remotejobify

Search remote jobs by the country you live in, each with the line that proves you can apply.

OtherData access / search

Responded123 ms13 / 22
com.spocont/reservoprix

Sell to the best offer: a sealed-offer link and button for any listing, with a hidden reserve price.

OtherOther

Responded124 ms13 / 22
Foundry44

Search the Foundry44 library and install animated UI components for any stack.

OtherData access / search

Responded124 ms13 / 22
UN Charter 1945

UN Charter (1945, as amended) as an executable model with worked cases; not UN-affiliated

OtherOther

Responded125 ms13 / 22
AI Crawler Index

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

OtherBrowser & web scraping

Responded125 ms13 / 22
Rechnungslotse: deutsche E-Rechnung

XRechnung/ZUGFeRD erstellen, gegen EN 16931 prüfen, Fehler mit Regel-ID erklären. Ohne Konto.

OtherOther

Responded125 ms13 / 22
Approval Link — Quotes and Proofs

Quote/proof approval drafts. Free; creator account + OAuth: https://kurodalab.com/en/approval-link/

OtherOther

Responded125 ms13 / 22
Vitextra Knowledge Base

Search and read Vitextra docs, product pages, how-to guides and FAQ.

OtherKnowledge & memory

Responded126 ms13 / 22
Dinilu — custom promotional products

Live prices, options and shipping quotes for custom-printed promotional products.

OtherOther

Responded126 ms13 / 22
Petnecto

Paw to paw. Shelter pets, one question away: adoptable pets near you, and how to reach the rescue.

OtherOther

Responded126 ms13 / 22
Aides à la rénovation énergétique (France)

Estime MaPrimeRénov' et les primes CEE d'un projet de rénovation en France, avec calcul et sources.

OtherOther

Responded127 ms13 / 22
Word Cloud Generator (word-cloud.net)

Generate word clouds from text with custom fonts, colors, backgrounds, gradients, and shape masks

OtherAI / LLM tooling

Responded128 ms13 / 22

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