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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7736 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
Traceproof

Search security findings and contribute versioned, evidence-backed reproduction reports.

OtherData access / search

Responded191 ms13 / 22
Astraluno

Birth charts, Big Three and sky events with explicit uncertainty. Free; birth data never stored.

OtherOther

Responded191 ms13 / 22
Krankenkasse Copilot

Swiss health insurance 2027: rank every insurer, model and deductible with official BAG data.

OtherAI / LLM tooling

Responded191 ms13 / 22
Checksum Validator

Validates Luhn, IBAN, ISBN, EAN/UPC, SWIFT/BIC, and EU VAT checksums and formats.

OtherOther

Responded193 ms13 / 22
CraftMe – Book craftspeople

Find trade businesses near you, see services, prices and free times, and prepare a booking.

OtherOther

Responded195 ms13 / 22
Semly Public Website

Read-only Semly plans, prices, features, integrations and published articles in 15 languages.

OtherOther

Responded196 ms13 / 22
Rush SR Lap Analyzer

Analyze AiM RaceStudio lap data: lap times, compare laps, time loss, compare two sessions.

OtherOther

Responded197 ms13 / 22
Arne Kellmann Consulting

Read consulting services and search public architecture consulting documents in English or German.

OtherFile & docs

Responded198 ms13 / 22
NailMe – Book nail studios

Find nail studios near you, see services, prices and free times, and prepare a booking to confirm.

OtherOther

Responded198 ms13 / 22
PLMHub boards

Draw diagrams, build HTML pages and write Markdown in a live editor the user sees.

OtherFile & docs

Responded199 ms13 / 22
YedaBase

Search and open investor records: family offices, VCs, funds of funds, permanent capital, RIAs.

OtherData access / search

Responded203 ms13 / 22
Chateaupedia

Search 10,500 French castles and read verified entries: hours, prices, accessibility.

OtherData access / search

Responded204 ms13 / 22
Rebond, offres d'emploi

Offres d'emploi publiques en France : recherche par métier, ville, contrat, télétravail.

OtherOther

Responded205 ms13 / 22
UX Jobs

Search 4,000+ live UX & product-design jobs from jobs.uxjobs.io. Read-only, no auth.

OtherData access / search

Responded207 ms13 / 22
UK Fitness Pro

Find UK personal trainers by location, speciality, gender and price, and read their public profiles.

OtherOther

Responded208 ms13 / 22
Lampions — scrutins publics français

Décompte officiel des scrutins de l'Assemblée nationale, du Sénat et du Parlement européen.

OtherOther

Responded209 ms13 / 22
OINP Points Calculator (oinp.org)

Unofficial OINP (Ontario OWP Stream) score estimates, scoring grid and CLB conversion.

OtherOther

Responded212 ms13 / 22
VISEON for Web

VISEON's Schema.org knowledge graph: products, services, people, FAQs and terms, from viseon.io

OtherOther

Responded217 ms13 / 22
GoVisit Tools

Search and read published GoVisit destination and local business data through 22 read-only tools.

OtherData access / search

Responded218 ms13 / 22
Dirtsmith outside-tools rate sheet

Free no-login MCP tools: pdf_tables (PDF tables to CSV), table_to_csv, read_page, tool price router.

OtherFile & docs

Responded219 ms13 / 22
Delopt delivery dispatch

AI dispatch for food & local delivery: assigns orders to drivers, sequences stops, times departures.

OtherOther

Responded219 ms13 / 22
com.detourmap/places

Places worth a detour, from Wikidata: search, nearby lookup, fame rankings, stats. No key, CC0.

OtherData access / search

Responded219 ms13 / 22
GameDeal

Read-only PC game search, current store offers and recorded price history. No account required.

OtherData access / search

Responded221 ms13 / 22
nanion.com (Vaia)

Answers about nanion.com from its website: products, technical data, comparisons, sales contact.

OtherOther

Responded222 ms13 / 22

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