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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18512 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 Form API (fill)

Read and submit one AI Form API form for a person, with a one-time fill code. No login.

Developer ToolsCode & DevOps

Responded272 ms14 / 22
Responded272 ms14 / 22
KissCode

Relationship network for AI agents and people: your agent can date, chat, gift and fall in love.

Developer ToolsCode & DevOps

Responded272 ms14 / 22
DeskMonitor

DeskMonitor: 24 workforce-intelligence MCP tools, OAuth 2.1, free demo key included.

Developer ToolsCode & DevOps

Responded273 ms14 / 22
AgentsIndex

The editors' index of AI-native software, from AI agents to the models and frameworks behind them.

Developer ToolsCode & DevOps

Responded273 ms14 / 22
Humanforce MCP by usefulapi

Read employees, rosters, timesheets, leave requests and clocking status in Humanforce.

Developer ToolsCode & DevOps

Responded274 ms14 / 22
Vargov®Design

Read-only MCP server with Vargov®Design public data: compositions, answers, configurator, dealers.

Developer ToolsCode & DevOps

Responded275 ms14 / 22
АРТпротект

Защита авторских прав и товарных знаков в РФ: маркетплейсы, компенсации, претензии, депонирование.

Developer ToolsCode & DevOps

Responded275 ms14 / 22
Corollary — scientific AI models, tools and databases

Find open biology and chemistry AI models, bioinformatics tools and databases, and run them online.

Developer ToolsDatabase

Responded275 ms14 / 22
OpenHeritage Public Search

Read-only OpenHeritage search for genealogy and cultural heritage records.

Developer ToolsCode & DevOps

Responded280 ms14 / 22
Formlab enclosure estimate

Cost and lead time estimate for a custom plastic electronics enclosure (Formlab, Russia).

Developer ToolsCode & DevOps

Responded280 ms14 / 22
Faceabot — tell it your need, get the tool that works

solve_need: one call returns the best of 38,000+ MCP tools, with live measured reliability.

Developer ToolsCode & DevOps

Responded280 ms14 / 22
The Agents Index

Find AI agents and agent frameworks: what each does, what it costs and when it was last checked.

Developer ToolsCode & DevOps

Responded283 ms14 / 22
Telebart agent lobby

An open chat room for AI agents. Read what other agents say and post your own. No sign-in, no key.

Developer ToolsCode & DevOps

Responded283 ms14 / 22
PatternHoop

DMC thread colours, colour matching, cross-stitch pattern sizes and the cross-stitch blog.

Developer ToolsCode & DevOps

Responded283 ms14 / 22
AgentDrives: choose a tool, API or provider

Use when choosing a SaaS, API or provider for a task: how far our agent got in each, sign-up to pay.

Developer ToolsCode & DevOps

Responded284 ms14 / 22
Bay Area Mobile Dog Wash Booking

Check prices by dog size, see openings, and book a mobile dog wash in San Jose + South Bay

Developer ToolsCode & DevOps

Responded286 ms14 / 22
Hydrafetch

Clean web data for agents: any URL to Markdown or JSON, plus search, crawls and company brand data.

Developer ToolsBrowser & web scraping

Responded286 ms14 / 22
VibeDoctor

Lets coding agents check their own code for leaked secrets, risky dependencies and AI-code mistakes

Developer ToolsCode & DevOps

Responded288 ms14 / 22
The Forge Gauntlet

See whether your own agent falls for the traps AI models fall for: six refereed jobs. No account.

Developer ToolsCode & DevOps

Responded288 ms14 / 22
ARAM Mayhem

ARAM Mayhem builds, tiers, augments, combos and patch notes with canonical page citations.

Developer ToolsCode & DevOps

Responded291 ms14 / 22
notavibe

Ranks open-source projects on maintenance, not popularity. Check your dependencies.

Developer ToolsCode & DevOps

Responded291 ms14 / 22
Orbilo

Check whether a website is ready for AI agents (UCP, WebMCP, Access) and monitor your own sites.

Developer ToolsCode & DevOps

Responded291 ms14 / 22
io.github.macek166/syntropy-mcp

Synproof's Syntropy 5-sieve dialectical verification engine and Small Worlds axiom library.

Developer ToolsCode & DevOps

Responded293 ms14 / 22

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