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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1584 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
Chesly

Read, search and answer your messages on WhatsApp, iMessage, Slack, Telegram and 14 more networks.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Chickadee Bandit

Your household's calendar, tasks, messages and apps. Read, update, or build new apps with AI.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
China Validators Toolkit

China-focused validation tools: ID card, bank card, phone, plate, USCC, VIN, lunar calendar & more

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
Chinese Astrology MCP Server by RoxyAPI

BaZi four pillars, Chinese zodiac, lunisolar calendar and almanac days for AI agents.

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
Circleback

Search and use your Circleback meeting notes, transcripts, and action items in AI tools

ProductivityData access / search

Requires authNot measured4 / 22
Circles: WhatsApp for your AI agents

WhatsApp MCP for chats you choose: read/write by default, no daily send quota, voice notes as text.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
ClearBounce Email Verification

Verify email addresses in real time and find business email addresses with live mailbox checks.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Clearout

Email verification, email finder and name validation from Clearout.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Cleartable

Add, read and plan tasks in Cleartable, a calm AI task manager with calendar and habits.

ProductivityFile & docs

Requires authNot measured4 / 22
Cleve

Search workspace knowledge, save ideas, update notes, organize folders, and share public links.

ProductivityData access / search

Requires authNot measured4 / 22
Closefinch

AI CRM: accounts, deals, meetings and agents, with approvals before anything is sent.

ProductivityFile & docs

Requires authNot measured4 / 22
Codey 律所管理系統

Law firm management MCP: manage cases, clients, tasks, calendar and documents via Claude AI.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Cogram Project

Read-only access to Cogram projects, meetings, email, RFIs and drawings for architects and engineers

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Coinslot — the vending machine for machines

13 micro-tools for agents: read pages, verify email, convert, validate, diff, extract. AI-operated.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Commentify

Your team's design feedback from Figma, Jira and Notion: ask, search, read, reply, mark done.

ProductivityFile & docs

Requires authNot measured4 / 22
CommSync

One inbox for SMS and email: read threads, search, manage contacts, and send texts and emails.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Conciergr

Set up and run your Conciergr WhatsApp assistant: settings, documents, team and Team Inbox.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Conduit Mail

Your mailbox for MCP clients: search, read, draft, send, rules and notes. Sending is off by default.

ProductivityData access / search

Requires authNot measured4 / 22
Conecto Calendar

Booking pages, free times and meetings for your agent. Pay per action.

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
Conecto CRM

Contacts, companies and deals, with every email, call and meeting on one record. Pay per action.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Conecto Email

Inboxes on your business's own subdomain that send, receive and keep threads. Pay per action.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Conecto Help desk

Support tickets from email, with SLAs, queues and ratings. Pay per action.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
ConnectWise MCP Server and API by Cotlet

ConnectWise managed service provider PSA MCP server: list tickets, read ticket notes, update ticket.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Controlflare

A hard budget cap for Cloudflare Workers: see estimated spend and pause or resume Workers.

ProductivityFile & docs

Requires authNot measured4 / 22

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