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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1452 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
WhatsAble for WhatsApp Business

Send WhatsApp messages and templates, manage chats, contacts, broadcasts and AI agents.

Developer ToolsCommunication & messaging

Requires authNot measured3 / 22
whatsapi.sh

Send WhatsApp messages from your own numbers, read and answer chats, and send sign-in codes.

OtherCommunication & messaging

Requires authOutdated checkNot measured3 / 22
Workchats

Read and act on your Workchats messages, tasks, meetings and files. You approve every send.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured3 / 22
Workwae

Email, calendar and contacts for AI agents: Gmail, Microsoft 365 and IMAP accounts behind one API.

ProductivityCommunication & messaging

Requires authNot measured3 / 22Not checked yet
io.github.therealMrFunGuy/test-mailbox

Disposable email inboxes for testing — create addresses, wait for messages, extract links.

ProductivityCommunication & messaging

Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22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Outdated checkNot measured2 / 22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Outdated checkNot measured2 / 22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Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22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

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