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.

Connect your agent

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
muse.space

Let your agent into iCloud Mail, calendar and contacts. It gets actions, never your password.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
myplan

Shared Markdown notes and canvases that people and AI agents edit together; agents suggest edits.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
namailu.cz Agent Email

namailu.cz gives your AI agent its own email inbox: read and send mail over MCP, with OAuth.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Nenpi - car costs, fuel log and reminders

Your Nenpi car log: ask about costs, fuel use and reminders, add fill-ups. Free account at nenpi.app

ProductivityFile & docs

Requires authNot measured4 / 22
Nessie

Work in Nessie as yourself: projects and tickets, documents, and your customer inbox.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
NetSuite Link (beta)

BETA — Run SuiteQL, read/write NetSuite records, query SuiteAnalytics, and run saved bookmarks.

ProductivityFile & docs

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

Nextcloud self hosted file collaboration MCP server: upload file, share file, create calendar event.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Nolizi Calendar

Free scheduling your agent can book through: live availability, booking, verification, cancel.

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
Noozra

News from 70+ sites, community posts, and open jobs from company career pages

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
NoteCube

Your NoteCube meeting and lecture recordings: search, read transcripts, and write cited documents.

ProductivityFile & docs

Requires authNot measured4 / 22
NoteMCP

Save notes in seconds. Your AI can then search, read, write and tag them over MCP.

ProductivityData access / search

Requires authNot measured4 / 22
Notes Got Simplified

Save, search and edit your private notes by talking to your AI assistant.

ProductivityData access / search

Requires authOutdated checkNot measured4 / 22
Notiero

The notebook your AI writes to. Save, organize, search and read notes in your Notiero notebook.

ProductivityData access / search

Requires authNot measured4 / 22
NudgeBell

Reminders your agent creates: email, WhatsApp, SMS or call, in steps you set. Stops on acknowledge.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Nym

Gives the AI you already use its own email address, calendar and contacts.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Nysa

Shared memory for teams that work with AI agents: meetings, email and calendar in one brain.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Oakstack

Cron jobs with retries, webhook relay, HTML-to-PDF, and transactional email for your app.

ProductivityAutomation & workflows

Requires authNot measured4 / 22Not checked yet
Octopus.do

Read and edit octopus.do visual sitemaps: pages, blocks and review notes, as the signed-in user.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Officely

Book desks and meeting rooms, see who's in the office, and manage your workplace in Officely.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
OpeningsFirst

New jobs from 80,000+ company career pages (US, India): search, alerts, saved jobs, apply help.

ProductivityData access / search

Requires authNot measured4 / 22
Orbit for Substack

The people behind your Substack writing: who is here, who is drifting, and what your notes did.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
OutSend

Find local businesses, enrich them with emails and socials, and run lead pipelines from your AI.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Oveyon Mail

Email for AI agents: send, receive with a safety verdict, reply and approve, as MCP tools.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
OwnMailServer

Ask about your email delivery: stats, bounces, complaints, message lookup and DNS health. Read-only.

ProductivityCommunication & messaging

Requires authNot measured4 / 22

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