MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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18313 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
pro.worldclock/time

A real clock for AI agents: current time, timezone conversion, and DST facts from the IANA tzdb.

Developer ToolsCode & DevOps

Responded492 ms15 / 22
Readiness scorer — can an agent sign up to your SaaS?

Probe a signup URL you own and score whether an AI agent can sign up unaided.

Developer ToolsCode & DevOps

Outdated check493 ms15 / 22
Context — ctxt.io

Share text, markdown, code, or HTML as auto-expiring links

Developer ToolsFile & docs

Outdated check493 ms15 / 22
io.github.IsaiahDupree/jobstack-mcp

Unified jobs search over official feeds + ATS boards (USAJOBS, Adzuna, Muse, Greenhouse, Lever...)

Developer ToolsCode & DevOps

Responded494 ms15 / 22
Vibe Shipped

Find the right AI tool or MCP connector for a task; sourced directory of real AI-built apps.

Developer ToolsCode & DevOps

Responded494 ms15 / 22
Politicians by Jev

Ask anything about 100 famous US politicians; Jev, TypeSafe AI's model, scores all 100 and picks.

Developer ToolsCode & DevOps

Outdated check494 ms15 / 22
Cronus UI

Search, install, compose, add-page, and theme Cronus UI from the live registry.

Developer ToolsCode & DevOps

Outdated check495 ms15 / 22
AISOTools

Check whether AI assistants recommend a product, and search or compare 3,000+ AI tools.

Developer ToolsCode & DevOps

Responded496 ms15 / 22
emem, the verifiable memory protocol for the physical world

Shared, verifiable memory for machines and AI. Encode where data lives; decode with any AI.

Developer ToolsCode & DevOps

Responded497 ms15 / 22
Guides by TIC

Sourced guides to earning online, platform rules, and a check for AI-income offers. Read-only.

Developer ToolsCode & DevOps

Responded498 ms15 / 22
I2IDL Glossary of Digital Learning

Public read-only MCP access to digital learning concepts, semantic relationships, and citations.

Developer ToolsCode & DevOps

Outdated check501 ms15 / 22
ai.stimhaus/emma-for-agents

Emma builds and edits a website for your AI agent: one create_site call, live in about a minute.

Developer ToolsCode & DevOps

Responded503 ms15 / 22
io.github.karandaid/karandeepsingh-blog

Search and read Karandeep Singh's DevOps and AWS blog: articles and cheatsheets.

Developer ToolsCode & DevOps

Responded506 ms15 / 22
Jinero

AI-agent design tools: fonts, font recognition, palettes, color naming, contrast, code, SVG, CSS.

Developer ToolsCode & DevOps

Responded506 ms15 / 22
my quant — finite market briefing

Read-only discovery for a finite, offline-capable market briefing with explicit evidence boundaries.

Developer ToolsCode & DevOps

Outdated check506 ms15 / 22
AI Developer Toolkit documentation

Search and read guides on Claude Code, Codex and Cursor, in English and Polish.

Developer ToolsFile & docs

Outdated check507 ms15 / 22
Maps Agent

Google Maps and Business Profile know-how for local businesses: answers, guides, research.

Developer ToolsCode & DevOps

Outdated check507 ms15 / 22
Svg/icons MCP

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

Developer ToolsData access / search

Outdated check508 ms15 / 22
Web Evidence

Paid claim verification with cited web evidence, source provenance, snapshots, and hashes.

Developer ToolsCode & DevOps

Outdated check511 ms15 / 22
Ably MCP by usefulapi

MCP server for Ably — channel history, presence, occupancy, stats, publish, and app management.

Developer ToolsCode & DevOps

Responded512 ms15 / 22
Free Agent Tools

21 free no-auth tools: pitch roast, Kyushu discount, Japan visa fee, luggage, tax-free.

Developer ToolsCode & DevOps

Responded513 ms15 / 22
Website Change Monitor & Deterministic Diff

Deterministic webpage change detection, hashes and text diffs for recurring monitoring via x402 MCP.

Developer ToolsMonitoring & observability

Outdated check513 ms15 / 22
appdesigns App Store screenshots

App Store and Google Play screenshots MCP: your agent captures the app, you edit and export. Free.

Developer ToolsCode & DevOps

Outdated check514 ms15 / 22
io.github.Cuneiform-LLC/clearlist

AI resale manager. Photograph an item, AI writes the listing, publish a sale page, manage pickups.

Developer ToolsCode & DevOps

Responded518 ms15 / 22

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