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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5979 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
Tern Australian Visa Information

Sourced Australian visa data: processing times, charges, 462 caps, 88-day postcodes, policy updates

Real Estate & PropertyData access / search

Responded4969 ms13 / 22
SteelProfil

Read-only building materials catalog: product search, specs and PLN net/gross prices.

E-commerceData access / search

Responded5760 ms13 / 22
FrontRowTickets.com MCP Server

FrontRowTickets.com inventory for AI agents: search, deals, and seat-level options.

Developer ToolsData access / search

Responded7169 ms13 / 22
com.roofingquotesuk/site

Roofing Quotes UK: the site's own MCP server — dataset, enquiry, entities (enquiry = a human...

Data & AnalyticsData access / search

Responded1211 ms13 / 22
global.rootz.rental/registry

AI-native Caribbean vacation-rental registry: pricing, licensing, availability, source-linked.

TravelData access / search

Responded314 ms13 / 22
Airline Starlink Tracker

Starlink WiFi status for United, Alaska and Hawaiian flights, with per-airline route odds.

TravelData access / search

Responded1215 ms13 / 22
stillindexed SEO checkers

Indexability, robots.txt, sitemap, TLS, domain expiry and Googlebot-vs-browser checks. No account.

Marketing & SalesData access / search

Responded32 ms13 / 22
fmcg.network

USDA FoodData Central nutrient lookup, FDA recall watch, EU FMCG labelling via remote MCP

Developer ToolsData access / search

Responded57 ms13 / 22
Alternative Asset Literacy — Retail

Alternative-asset education for retail investors: deep-dive tracks, calculators, advisor lookup.

EducationData access / search

Responded60 ms13 / 22
GTH Intelligence - Substance Abuse Treatment Finder

Search 12,338 curated, SAMHSA-sourced addiction treatment facilities across all 50 US states.

OtherData access / search

Responded67 ms13 / 22
BuyingMesh Procurement

Structured B2B supply search, quoting, sandbox orders and fulfillment status for agents.

Developer ToolsData access / search

Responded75 ms13 / 22
Ilostat

ILOSTAT (International Labour Organization statistics) MCP — global labour market data via the…

Finance & CryptoData access / search

Responded93 ms13 / 22
Grey Tabby Golf

Golf group software: games, scoring, features, pricing, demos, and a 30-day free trial.

Marketing & SalesData access / search

Responded110 ms13 / 22
Sedna Genesis

Customer-facing yacht search and charter request MCP server by Sedna System.

Developer ToolsData access / search

Outdated check114 ms13 / 22
RateAPI — live US mortgage, auto, HELOC, personal & deposit rates

Live US mortgage, auto, HELOC, personal & deposit rates with evidence, plus who can join each lender

Real Estate & PropertyData access / search

Responded127 ms13 / 22
PartsTable

Calibrated IT hardware parts reference: PN normalization, search, cross-references, cited facts.

OtherData access / search

Responded162 ms13 / 22
ForthClear Liquidation Marketplace

Search surplus and overstock inventory, request bulk quotes, and check out.

OtherData access / search

Responded170 ms13 / 22
com.giveradar/charity-registry

Search, verify and compare 7.9M+ nonprofits from official charity registries in 100+ countries.

OtherData access / search

Responded178 ms13 / 22
Building Compliance Agency — Municipal Plan & Occupancy

Building plan approvals, occupancy certificates, and municipal compliance readiness tools.

GovernmentData access / search

Responded190 ms13 / 22
Today's Horoscope

Look up a Today's Horoscope page. Do not send birth dates. Entertainment only.

OtherData access / search

Outdated check208 ms13 / 22
ReelSongFinder

Free ISRC lookup and public titles for Reels, TikTok, Shorts, and X links.

OtherData access / search

Responded216 ms13 / 22
com.arcasos/arcasos-rentals

Korean premium short-term rental search: natural language or structured filters (SHV engine).

OtherData access / search

Responded302 ms13 / 22
travel.art

Art-tourism data for AI agents: biennales, art fairs, museums, layover itineraries with 2026 facts.

TravelData access / search

Outdated check372 ms13 / 22
Fly Travel Albania

Cached charter package, hotel facts and tour prices from Fly Travel Albania (Tirana); party-aware.

TravelData access / search

Responded404 ms13 / 22

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