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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1587 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
TownBrief - Massachusetts Local Government Intelligence

MA local gov meetings, transcripts, articles, bylaws, calendars for 351 towns.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Trackly SMS

Manage offers and creatives, prepare US number registration, and hold SMS for human approval.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
TrainingPeaks MCP Server and API by Cotlet

TrainingPeaks endurance training platform MCP server: list calendar workouts, get workout details.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Trayo

Real-time B2B buying signals on your target accounts: funding, hiring, leadership, tech stack.

ProductivityFile & docs

Requires authNot measured4 / 22
Trengo MCP Server and API by Cotlet

Trengo shared customer support inbox MCP server: list conversations, search conversations.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Trialtrap

Finds the subscriptions in your email and reminds you before a trial or renewal charges.

ProductivityPayments & trading

Requires authOutdated checkNot measured4 / 22
Trilo

Connect AI tools to Trilo workspaces — manage tasks, messages, pages, calendars, meetings, and more.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
TryCatchJob

Track job applications: find the ones to follow up on, add jobs, update status, notes and steps.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Tweek

Minimal weekly planner: read and manage your Tweek tasks and calendars.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
twyn

Your labs, wearables, DNA and notes as one health record your AI agent can read (OAuth 2.1).

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Unlimited Messaging

Send and read WhatsApp, email and SMS from your own number, mailbox and Android phone. Free plan.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Unstuck

Web search, read any page, verify or find emails, screenshots, keyword data. One key, pay per call.

ProductivityData access / search

Requires authNot measured4 / 22Not checked yet
Userport

Read and answer support conversations, and run outbound email and chat sequences, from your AI.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
UseWait

Create and manage waitlists from your AI agent: page, custom domain, emails, signups, broadcasts.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Uxen

Your Telegram, WhatsApp, Instagram, mail and calendar in Claude or ChatGPT. Never sends messages.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Valta

Notes and memory assistant: one Markdown vault that Claude, ChatGPT and any MCP client can share.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Valutorio Sync

Free Markdown notes app, Mac and iPhone. Sync ($5.99/mo) adds a personal MCP endpoint for your AI.

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
Verified.net

Verify emails, validate phone numbers, look up carriers and score IP addresses.

ProductivityData access / search

Requires authNot measured4 / 22Not checked yet
VerifyEmail

Check whether an email address is real and will accept mail before you send to it.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Vexa

Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
Vokabulo Vocabulary Trainer

Turn words from emails, articles and chats into Vokabulo flashcards. For expats. Needs Vokabulo Pro.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Wakato

Your Wakato account: contacts, tables, pages, email, social, shop, automations and agents.

ProductivityAutomation & workflows

Requires authOutdated checkNot measured4 / 22
Wander

Search, read and write the notes in the vaults you sync through Wander Cloud.

ProductivityData access / search

Requires authOutdated checkNot measured4 / 22
Wave AI

AI note taker for phone calls, meetings and in-person talks. Search, quote, act on recordings.

ProductivityData access / search

Requires authNot measured4 / 22

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