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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4905 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
ai.mitosislabs/mitosis

Mitosis agent-memory platform: pricing, docs search, platform status, agent skills. No auth.

Developer ToolsKnowledge & memory

Responded799 ms15 / 22
Rokha

Search a registry of agent skills and MCP servers, then run them for real. No install, traced.

Developer ToolsData access / search

Outdated check802 ms15 / 22
runx

The governed runtime for agent skills. Search the catalog and inspect a skill before running it.

Developer ToolsData access / search

Outdated check803 ms15 / 22
The Daily Workflow — AI Tools & Free Alternatives

Find free open-source replacements for paid software; search 15,000+ AI tools and MCP servers.

Developer ToolsAutomation & workflows

Outdated check806 ms15 / 22
Pin Seeker

Search golf tee times by natural language. Returns GolfNow booking links. Does not book or hold.

OtherData access / search

Responded809 ms15 / 22
LayUp Sports Booking

Search bookable London courts, pitches, lanes and pickup games across every major UK provider.

LegalCode & DevOps

Outdated check810 ms15 / 22
Loa Healthcare Pricing

Search source-labeled hospital prices, CPT codes, providers, and healthcare cost estimates.

HealthcareCode & DevOps

Outdated check820 ms15 / 22
TheRundown Documentation MCP

Official TheRundown API documentation search. No live data or authenticated Product API calls.

Developer ToolsFile & docs

Responded830 ms15 / 22
Evercraft Web

Read public web content with Evercraft; search and browser automation stay behind safety gates.

Developer ToolsAutomation & workflows

Outdated check845 ms15 / 22
KnownFix

Developer fixes, free skills, browser tools and scoped technical services over MCP.

Developer ToolsCode & DevOps

Outdated check849 ms15 / 22
LeadMarina

Verified local-business leads: search by niche and US city, export to Close, GoHighLevel or Sheets.

Marketing & SalesData access / search

Outdated check849 ms15 / 22
My Painting Club — Painting Lessons

Search transcribed painting lessons. Results cite the exact lesson and Vimeo timestamp.

EducationCode & DevOps

Outdated check866 ms15 / 22
Vascue Public Knowledge Search

Search Vascue's public healthcare-ops, insurance-claims and booking docs. Public content only.

HealthcareData access / search

Responded870 ms15 / 22
Lebanese Legislation

Search and read Lebanese laws, articles, court rulings and Gazette issues. Verbatim texts only.

LegalData access / search

Outdated check870 ms15 / 22
StringSpec

Lab measurements of nearly 800 tennis strings: search, compare and get recommendations.

Developer ToolsData access / search

Outdated check873 ms15 / 22
Plugin Soko-kun

Search, inspect, and submit third-party OBS Studio plugins in a free, unofficial registry.

Developer ToolsCode & DevOps

Outdated check876 ms15 / 22
Nôm Na Việt — Hán Nôm Dictionary

Vietnamese Chữ Nôm & Hán: lookup, search, conversion, and original Đại Nam Quấc âm tự vị entries.

OtherData access / search

Outdated check929 ms15 / 22
PendingDelete.net

Search pending delete and recently dropped domain names, with drop times, Rank and Linking Domains.

Developer ToolsData access / search

Responded937 ms15 / 22
AIR Bandenservice Haarlem

Car tyres in Haarlem, NL: search by size, all-in prices, fitting slots, order and pay via Mollie.

OtherData access / search

Outdated check966 ms15 / 22
Carrerlift

Search fresh Indian jobs and internships, plus international intern and new-grad roles.

Developer ToolsCode & DevOps

Responded971 ms15 / 22
Nexus AI News

Deduplicated, classified AI industry news: search, browse, and filter by vertical and event type.

Developer ToolsCode & DevOps

Outdated check980 ms15 / 22
Bloom Study Guides

Turn AI learning chats into illustrated study guides, and search guides already on Bloom.

Developer ToolsCode & DevOps

Outdated check981 ms15 / 22
Vocenya Docs

Read-only search over the Vocenya AI receptionist API docs and endpoints, with code samples.

OtherData access / search

Outdated check998 ms15 / 22
HerStack

Read-only UK women's midlife health guidance: search, PubMed-backed evidence, supplement picks.

OtherData access / search

Responded1002 ms15 / 22

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