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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5041 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
GetMyHotels

Search hotels, get live prices, and check out in chat. Guest search needs no sign-in.

TravelData access / search

Responded2481 ms14 / 22
Leviathan Systems Public Content

Search Leviathan Systems articles and services; read public documents and company scope.

OtherFile & docs

Responded2697 ms14 / 22
PoloPan Fashion MCP Server

Fashion & apparel MCP: visual outfit search, stock verification, and 1-click checkout.

Finance & CryptoPayments & trading

Outdated check2768 ms14 / 22
Statistics Canada MCP Server

Access Statistics Canada data via the Web Data Services API

Data & AnalyticsCode & DevOps

Outdated check2912 ms14 / 22
Tanod

Pay-per-call agent tools: PDF, OCR, translation, news search, prediction markets, web, chain reads.

MediaData access / search

Responded2946 ms14 / 22
Zero to Hundred marketplace

Search live software, compare listings, and prepare owned drafts. Publishing stays on the website.

Developer ToolsCode & DevOps

Responded3453 ms14 / 22
RoamWorthy

Live UK caravan, motorhome and campervan search, matching, dealer stock and model research.

Finance & CryptoCode & DevOps

Outdated check4127 ms14 / 22
Road Tag - Accessible Road Reports

Taiwan community road barriers. Read-only, coordinates only; address/landmark search unavailable.

OtherData access / search

Responded4518 ms14 / 22
Agency Search Tool

Find agencies worldwide by service and location, with editorial ratings and contact details.

OtherData access / search

Responded4595 ms14 / 22
Golf With Discs DiscFinder MCP

Search current disc golf retailer inventory across 50+ shops by mould, plastic, price, and country.

Developer ToolsCode & DevOps

Outdated check6071 ms14 / 22
Charter Boats

Search 14,000+ charter boats with live prices, plus marinas, anchorages, routes and itineraries.

OtherData access / search

Outdated check6137 ms14 / 22
Disc Golf England (EDGA)

EDGA Tour results, policies, club templates, course search and course-development guidance.

Developer ToolsCode & DevOps

Outdated check8656 ms14 / 22
Event Escapes

Search event travel: F1, MotoGP, soccer, NFL, tennis, concerts. Tickets + hotels + experiences.

TravelData access / search

Outdated check9938 ms14 / 22
Kelvin — power electronics components

Read-only parts catalogue for power electronics: search, selection, cross-reference.

Developer ToolsCode & DevOps

Responded140 ms14 / 22
tgden — Telegram catalog & search

Search 1.7M+ Telegram channels, 250k+ chats, 228k+ bots, and what chats ask for. No key, no install.

Developer ToolsCommunication & messaging

Outdated check218 ms14 / 22
dev.primitive/email

Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.

ProductivityCommunication & messaging

Responded823 ms14 / 22
TopImpressionists Impressionist Art Search

Impressionist art: Monet, Renoir, Degas, Van Gogh. Search works and price oil reproductions.

OtherData access / search

Responded2395 ms14 / 22
WahooArt Art Search & Quotation

Search 640,000 artworks and price hand-painted oil reproductions, giclée prints and custom art.

OtherData access / search

Responded2432 ms14 / 22
Openverse

Openverse MCP — Creative-Commons-licensed image + audio search.

MediaCode & DevOps

Responded68 ms14 / 22
Plos

PLOS Search MCP — Solr-backed search over all PLOS journals.

Developer ToolsCode & DevOps

Responded70 ms14 / 22
io.github.CumulativeWebInc/cwi-discovery-engine

CWI Discovery Engine: 29-tool music catalog MCP — search, sync, Radio 365 live, chaining.

MediaCode & DevOps

Responded82 ms14 / 22
Illinois Code

Illinois Compiled Statutes — state statutes by citation, plus topic search.

LegalCode & DevOps

Responded93 ms14 / 22
Ieee Standards

IEEE Xplore MCP — BYOK wrapper over the IEEE Xplore Metadata Search API…

Developer ToolsCode & DevOps

Responded95 ms14 / 22
Immobilien Eichmann – Angebote

Live MCP for Immobilien Eichmann listings (Konstanz). Tools: search_listings, get_listing.

Developer ToolsData access / search

Outdated check96 ms14 / 22

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