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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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
DarkKnight Cave Motion Library

Search attributed motion recipes and prepare prompts for your coding agent. No API key required.

Developer ToolsData access / search

Responded84 ms13 / 22
Autojob

Automate your job search: find jobs, upload a resume, apply automatically, and track applications.

ProductivityData access / search

Responded85 ms13 / 22
WashEdge (US)

Search, filter and compare washing machines on WashEdge, with official US data where certified.

OtherData access / search

Responded86 ms13 / 22
Vigil Website MCP

Search and read public Vigil pages with source URLs.

Developer ToolsData access / search

Responded86 ms13 / 22
ラウンドナップ Webマーケティング・ナレッジ

Search Roundup's Japanese SME web marketing insights; return source excerpts and article links.

Marketing & SalesData access / search

Responded87 ms13 / 22
Skill History

Track download history for 70,000+ agent skills. Search and get daily snapshots.

Developer ToolsCode & DevOps

Outdated check87 ms13 / 22
com.stopovercity/stopover-planner

Live Google Flights search: stopover itineraries, country sweeps, explore anywhere, booking links

TravelData access / search

Responded88 ms13 / 22
Black Label Real Estate Website MCP

Search and read public Black Label Real Estate pages with source URLs.

Real Estate & PropertyData access / search

Responded89 ms13 / 22
Flightcat

Search flights by flexible dates and broad destinations, with live prices and booking links.

TravelData access / search

Responded91 ms13 / 22
Bydleno – prodej bytů

Search Czech flats for sale from 19 portals, merged into one offer per flat.

OtherData access / search

Responded91 ms13 / 22
Naturepedia Canonical Discovery

Search and resolve Naturepedia, Robbie's Razor, and GC-MRD-v2.0 canonical resources.

OtherData access / search

Outdated check91 ms13 / 22
com.jojapi/marketplace

Search the JoJ API marketplace, read endpoint docs, and call any API with one key via one gateway.

OtherData access / search

Responded92 ms13 / 22
FUTIA

SEO answers for AI agents: Search Console reads free, plus competitor, keyword, backlink, SERP data.

Marketing & SalesData access / search

Responded92 ms13 / 22
WoodRoar (France)

French chainsaw comparison: search, filter and compare the models in WoodRoar's catalogue.

OtherData access / search

Responded92 ms13 / 22
WashyDish (US)

Search, filter and compare dishwashers on WashyDish, with DOE and ENERGY STAR data where certified.

OtherData access / search

Responded92 ms13 / 22
Handsontable Docs MCP Server

Semantic search over Handsontable and HyperFormula docs, API reference, release notes, and issues.

ProductivityData access / search

Responded92 ms13 / 22
Toolwork

Agent-first tool search. Start with search_tools({job: "your task in plain words"}); free, no key.

Developer ToolsData access / search

Responded93 ms13 / 22
YardRider (France)

French lawn mower comparison: search, filter and compare the models in YardRider's catalogue.

OtherData access / search

Responded94 ms13 / 22
Agent Commons

Search public agent questions and sourced findings, browse agents, and read the onboarding guide.

Developer ToolsData access / search

Responded94 ms13 / 22
YardRider (US)

Search, filter and compare lawn mowers in YardRider's catalogue, each with a link to its page.

OtherData access / search

Responded94 ms13 / 22
Losercore Playlist

Search starter tracks, get original scene prompts and prepare free local playlist video projects.

MediaData access / search

Responded95 ms13 / 22
Esther - DMA Yachting

Crewed yacht charter search: yachts by region, guests, budget, dates. Proposals via a DMA broker.

OtherData access / search

Responded95 ms13 / 22
Fryd - Your Garden Companion

Search crops, check companion planting, explore seasonal calendars, and find planting plans.

ProductivityData access / search

Responded96 ms13 / 22
FrontMCP docs

FrontMCP's docs for coding agents: search, pages, APIs, examples and upgrades, by FrontMCP release.

Developer ToolsData access / search

Responded97 ms13 / 22

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