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
AiESphere

Search jobs, tailor your resume, write cover letters, and file applications for you.

ProductivityData access / search

Requires authNot measured4 / 22
AIMochi

Read-only access to your AIMochi meeting notes: list, search and read transcripts and summaries.

ProductivityData access / search

Requires authNot measured4 / 22Not checked yet
Ainoova Tools

Notes, tasks, habits, journal and 6 more tools Claude can read and change, with undo. Free.

ProductivityFile & docs

Requires authNot measured4 / 22
AISend

Email for AI agents: send from your verified domain, track delivery, list mail, validate addresses.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Akiflow

Official Akiflow MCP for tasks, calendars, scheduling, time slots, and meeting transcripts.

ProductivityFile & docs

Requires authNot measured4 / 22
Alcoven

Open your team's project from the AI you use: read and write its brief, documents, tasks and notes.

ProductivityFile & docs

Requires authNot measured4 / 22
alfred_

Up to 6 Gmail, Outlook, iCloud and IMAP inboxes in one connection. Nothing sends without your yes.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
alink

Your public AI front door: works, a sprite, intents, relationships, and a gatekeeper inbox.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Alion Companies: company and startup data

Companies and startups: funding, investors, stack, hiring, lookalikes; counterparty checks.

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
AllMyMeetings

Sync Google, Outlook, and iCloud calendars and manage events, availability, and booking links.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Almanack

Date math and SVG rendering for fictional and custom calendars. Exact, stateless and deterministic.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Alwen

One memory for every AI you work with: your rules, notes and decisions in your own Git repo.

ProductivityKnowledge & memory

Requires authNot measured4 / 22
Amazing Marvin MCP Server and API by Cotlet

Amazing Marvin personal task planner MCP server: list Inbox tasks, list tasks for a day.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
AngelBacked Angel Investors

Search 58,000+ angel investors and VCs by market and location, see portfolios, and reveal emails.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Anjal

Email inboxes and calendars for AI agents: send, receive, search, draft and schedule.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Annsa

The plan your AI agents work from. Project management and customer feedback for agent teams.

ProductivityFile & docs

Requires authNot measured4 / 22
Any.do

Read and update a signed-in user's Any.do tasks, lists, reminders, calendar and team boards.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Anyreach

Build AI agents that handle calls, web chats, and email — and automate everything around them.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
ApprenticeWizard

Search live UK apprenticeships, track applications and get deadline reminders. Paid plan required.

ProductivityData access / search

Requires authOutdated checkNot measured4 / 22
ARC-Relay Email

Checks any domain's DMARC, SPF, MX and DKIM setup, scores it 0-100, and ranks the fixes.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Arcdeck

Create consulting-style presentation decks (editable PowerPoint) from a topic or notes.

ProductivityFile & docs

Requires authNot measured4 / 22
Arettic

One key for agent data tools: emails, companies, search, scraping. Pay only for results that pass.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Arihaan Jobs

Live job postings from employer career sites: search, count and compare jobs and companies.

ProductivityData access / search

Requires authNot measured4 / 22
ashare.net

Share what AI agents write with the right people only: your company, specific emails or a password.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22

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