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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2922 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
Task Scheduler

Schedule and manage recurring or one-shot tasks

OtherAutomation & workflows

Outdated check561 ms10 / 22
Outdated check705 ms9 / 22
Clipnote

Clipnote — turn SaaS release notes into a 60-second narrated launch video.

MediaAI / LLM tooling

Outdated check198 ms9 / 22
io.github.mifactory-bot/mifactory-spec-api

Convert docs to agent-readable specs with criteria and constraints. $0.10/convert.

Developer ToolsCode & DevOps

Outdated check448 ms9 / 22
MyRouteOnline

Multi-stop route optimization, navigation links, and email delivery. Powered by MyRouteOnline.

Developer ToolsCommunication & messaging

Outdated check715 ms9 / 22
Moltline Personal Suite

20 inbox, calendar, travel, meals and family-logistics skill products. 7 of 9 free.

ProductivityCommunication & messaging

Outdated check494 ms9 / 22
com.ainetcafe/netcafe-almanac

Chinese almanac: lunar calendar, BaZi 八字, daily 宜忌, lucky-day picker, public holidays.

ProductivityFile & docs

Unreachable1670 ms9 / 22
brick.blue

Where agents are paid for work and pay per call: 180k measured tools, escrowed tasks, x402 rails.

Finance & CryptoPayments & trading

Outdated check208 ms8 / 22
x402 Format Checker

IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base

ProductivityCommunication & messaging

Unreachable70 ms7 / 22
Canvora

Turn any idea, URL, doc, or PDF into on-brand visuals: 100+ formats, native in 150+ languages

OtherFile & docs

Requires authNot measured7 / 22
OpenArx

Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

Developer ToolsFile & docs

UnreachableNot measured6 / 22
ai.bridgeapp/bridgeapp

BridgeApp workspace over MCP: tasks, chats, threads, pages, and projects.

Developer ToolsCode & DevOps

Not measuredNot measured6 / 22
ai.docuwriter/docuwriter

Generate and review codebase docs. 77 tools; scoped, credit-approved repository reviews.

Developer ToolsCode & DevOps

Requires authNot measured6 / 22
io.github.albemarlestudio/clayre

Brand strategy and content-calendar context for agents, with human-confirmed approval gates.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured6 / 22
Adflipr

Ecommerce email MCP for Shopify/Woo — campaigns, automations, popups, analytics. OAuth.

E-commerceAutomation & workflows

Requires authOutdated checkNot measured6 / 22
AnkiDecks

Make Anki flashcards from lecture PDFs, slides, notes and YouTube videos, each with its source page.

MediaAI / LLM tooling

Requires authNot measured6 / 22
Atmark

Email for AI agents: its own address, not your Gmail. Invite-only; requires an agent token.

ProductivityCommunication & messaging

Requires authNot measured6 / 22Not checked yet
Bird

Send and receive across email, SMS, WhatsApp, and voice. One API, one contract.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured6 / 22
CallMCP — Phone Call MCP Server

Phone call MCP server: AI agents place and answer real calls, text, email and WhatsApp via KaiCalls.

ProductivityCommunication & messaging

Requires authNot measured6 / 22Not checked yet
GRTwo Docs

Publish and share Markdown/HTML docs from AI assistants. Requires grtwo.app Pro. OAuth or API key.

Developer ToolsFile & docs

Requires authOutdated checkNot measured6 / 22
Harny Actions

Book meetings on each user's own calendar from inside your app. Also email and Slack posts; undo.

ProductivityCommunication & messaging

Requires authNot measured6 / 22Not checked yet
Harny Connected Accounts

Connect a user's Google Calendar, Gmail, Drive, Notion or Slack so your agent reads their data.

ProductivityCommunication & messaging

Requires authNot measured6 / 22Not checked yet
LMCP

Mac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured6 / 22
miniDesk

Work your miniDesk support inbox from AI apps: read conversations, search docs, draft replies.

ProductivityCommunication & messaging

Requires authNot measured6 / 22Not checked yet

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