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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5788 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
Scigantic

Search public scientific datasets and read schema cards that describe their files, columns and rows

Data & AnalyticsData access / search

Responded421 ms15 / 22
Atom.com — Premium Domains

Search, appraise, trademark-check, and buy premium brandable domain names from Atom.com.

LegalData access / search

Responded433 ms15 / 22
Patent by Ouroboros Apps

USPTO patent search and prior art lookup. Not legal advice

LegalData access / search

Responded440 ms15 / 22
BestPrice

Read-only shopping decisions, product search, offers, and price history for Greece.

E-commerceData access / search

Responded448 ms15 / 22
GovGazette

Find federal contracting opportunities, research awards and vendors, and review exclusion evidence.

GovernmentData access / search

Responded462 ms15 / 22
BetterPost

Finds timely sources across news, social, and the web and writes posts worth publishing.

MediaData access / search

Responded465 ms15 / 22
YouTube Transcript & Search MCP Server

YouTube transcripts, search, channels, playlists and bulk transcript jobs for AI agents. 14 tools.

MediaData access / search

Responded480 ms15 / 22
Search Fragments

Pieces together films, shows, songs, books, quotes, places and studies from remembered fragments.

MediaData access / search

Responded480 ms15 / 22
Chalet-Montagne.com

Search French mountain holiday rentals and contact owners directly — commission-free.

OtherData access / search

Responded481 ms15 / 22
CodeDebut

Search new software launches, read product pages, find alternatives and see daily upvote rankings.

Developer ToolsData access / search

Responded485 ms15 / 22
BanProof AI

Audit TikTok Shop and Amazon affiliate video scripts for policy violations, with safe rewrites.

Marketing & SalesData access / search

Responded491 ms15 / 22
Unified Reading

Life Path number, Sun sign and Chinese zodiac for a birth date, plus Lunar New Year lookups.

OtherData access / search

Responded497 ms15 / 22
Comunicate.eu

Publish press releases and advertorials on 3,800+ news sites: catalogue, prices, budget plans.

MediaData access / search

Responded499 ms15 / 22
Hanging Context: News For Agents

Fresh context for agents. Ask, search or follow stories. Each fact cites a Synorb Manifest.

MediaData access / search

Responded505 ms15 / 22
Svg/icons MCP

320K+ open-source SVG icons: 12 tools, anonymous metadata search; SVG, exports, collections via Pro.

Developer ToolsData access / search

Responded508 ms15 / 22
ITBI SP · São Paulo real estate prices

Real sale prices (ITBI) for every building, street and district in São Paulo, plus homes for sale.

Real Estate & PropertyData access / search

Responded515 ms15 / 22
Tolca

Web search + clean page text with sha256 proof, and company, sanctions and licence checks (x402)

Finance & CryptoData access / search

Responded521 ms15 / 22
AI Tool Directory

Search 2,000+ AI tools: pricing, alternatives, comparisons, and live, dead or acquired status.

OtherData access / search

Responded531 ms15 / 22
GigHQ.ai

Job-search tracker for AI agents: applications, stale follow-ups, skills gaps, H-1B lookup.

Developer ToolsData access / search

Responded534 ms15 / 22
Digitaltableteur

Design system contracts, docs search, and usage validation for @digitaltableteur components.

LegalData access / search

Responded535 ms15 / 22
Logimu

Amazon (11 marketplaces) and Walmart US product data: search, prices, stock, history, sellers.

Finance & CryptoData access / search

Responded537 ms15 / 22
PrismPoster Creator Tools

Social media frame sizes with sourced safe areas, plus aspect-ratio, bitrate and subtitle tools.

Marketing & SalesData access / search

Responded552 ms15 / 22
Greenlit Books

Search the Greenlit AI books, read any chapter one free, and look up the terms they define.

OtherData access / search

Responded556 ms15 / 22
Cheap NY Publication: New York LLC filings

Look up any New York LLC: publication deadline, county and price. Quotes for NY LLC filings.

OtherData access / search

Responded560 ms15 / 22

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