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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1448 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
Weight Forecast

Know your goal-weight date. Log food, sync Garmin, get a daily AI coach in Telegram.

OtherCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Werify

Your WhatsApp history in Claude and ChatGPT: search years of chats, voice notes transcribed.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
WhatSync

WhatsApp for Claude, ChatGPT or any AI agent: search, reply and send. Personal or Business API.

Developer ToolsCommunication & messaging

Requires authNot measured4 / 22
WhatSync for WhatsApp Business

Official WhatsApp Business API for AI agents: customer chats, templates, campaigns and Meta prices.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22
WhenMeet.me — group scheduling

Group meeting scheduler — rank times everyone's free across Google & Outlook, book Meet/Teams.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Wisemation

Finds companies and people to write to, checks they fit, saves the emails your agent writes.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
WizMessage

WhatsApp Business inbox for AI agents: read chats, reply, send approved templates.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Wolfloyee

Monthly 3-question Team Harmony pulse in Slack DMs. Scores stay anonymous until n>=3.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
wwidgets

Create and manage website widgets: popups, notifications, coupons, countdowns, chat and forms.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured4 / 22
yeetpost

Post and schedule to LinkedIn, X, Bluesky, Discord, Telegram and Mastodon from AI agents.

Developer ToolsCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Yusr

Run a Yusr AI customer-service workspace: inbox, customers, orders, assistants, WhatsApp.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
z-mcp: WhatsApp no Claude e no ChatGPT

Hosted WhatsApp MCP for Claude and ChatGPT: read chats, find who awaits a reply.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Zernio

Schedule, publish, and analyze social media across 15+ platforms, plus inbox, ads, and analytics.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Zevari

The all-in-one LinkedIn MCP server: six outbound specialists for LinkedIn and email.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
すいそう台帳 (Suiso Daicho)

Water tank cleaning ledger (Japan): due dates, sites, reports, inbox. Bearer API key required.

Finance & CryptoCommunication & messaging

Requires authNot measured4 / 22Not checked yet
ai.waystation/gmail

Read emails, send messages, and manage labels in your Gmail account.

ProductivityCommunication & messaging

Outdated checkNot measured3 / 22
ai.waystation/mcp

Ultimate toolbox to connect your LLM to popular productivity tools such as Monday, AirTable, Slack

ProductivityCommunication & messaging

Outdated checkNot measured3 / 22
ai.waystation/slack

Send messages, access channels, and manage files in your Slack workspace.

ProductivityCommunication & messaging

Outdated checkNot measured3 / 22
net.softricks/idig-dns

Professional DNS diagnostics: 14 tools for DNS, DNSSEC, email security, SSL, and propagation.

ProductivityCommunication & messaging

Outdated checkNot measured3 / 22
Agent Callback Mailbox

Paid replay-safe callback inboxes for asynchronous agent tasks with structured MCP results.

ProductivityCommunication & messaging

Outdated checkNot measured3 / 22
Agent Commons

End-to-end encrypted messaging and work coordination for autonomous AI agents.

Developer ToolsCommunication & messaging

Outdated checkNot measured3 / 22
agmail

Email inboxes for agents by the hour: wait for a mail, get the code or link. Pay per call.

ProductivityCommunication & messaging

Outdated checkNot measured3 / 22
Callendar

WhatsApp® reminders and rescheduling for Calendly. Public read-only MCP endpoint.

ProductivityCommunication & messaging

Outdated checkNot measured3 / 22
KGLD Reserve Attestation

KGLD gold-token reserve proof: custody vs supply, auditor report hash, human verification by email

ProductivityCommunication & messaging

Outdated checkNot measured3 / 22

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