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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1588 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
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Email Server

An MCP server that provides email capabilities, hosted on Alpic platform

ProductivityCommunication & messaging

Outdated checkNot measured2 / 22
Email Server

An MCP server that provides email capabilities, hosted on Alpic platform

ProductivityCommunication & messaging

Outdated checkNot measured2 / 22
Email Server

An MCP server that provides email capabilities, hosted on Alpic platform

ProductivityCommunication & messaging

Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
com.dillilabs.deva/dilli-email-validation-api-server

An MCP server that provides tools to validate an email address using Dilli Email Validation API.

ProductivityCommunication & messaging

Requires authNot measured2 / 22Not checked yet
com.mailtempo/mailtempo

MCP server for MailTempo's public free temporary email inboxes.

ProductivityCommunication & messaging

Not measuredNot measured2 / 22
Requires authOutdated checkNot measured2 / 22
io.github.jmbremer/manymeet

Webinar analytics for Zoom Meeting-based webinars: Funnels, transcripts, email engagement

ProductivityCommunication & messaging

Requires authOutdated checkNot measured2 / 22
Requires authNot measured2 / 22Not checked yet
Lemonado

MCP server for querying and analyzing data from ad platforms, analytics tools, and spreadsheets

ProductivityFile & docs

Requires authOutdated checkNot measured2 / 22

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