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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2955 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
UK Data: US economic release calendar

Official US economic release dates and times (GDP, PCE inflation, trade) in your time zone

ProductivityFile & docs

Requires authNot measured3 / 22Not checked yet
UK Data: Utilities

Agent utilities: RDAP domain lookup, unshorten URLs, HTTPS checks, QR codes, calendar invites

ProductivityData access / search

Requires authNot measured3 / 22Not checked yet
Unlayer: Email, Page & Document Templates for Developers

Generate email, page & PDF document templates as React code (Unlayer Elements) or AI; edit visually.

ProductivityFile & docs

Requires authNot measured3 / 22Not checked yet
Vocci

Read-only MCP access to authorized Vocci sessions, notes, files, and memory search.

ProductivityKnowledge & memory

Requires authNot measured3 / 22
Website Email Extractor, Phone & Contact Finder (CSV, Sheet)

Published emails, phones and social profiles for every website in a list, CSV or Google Sheet.

Developer ToolsCommunication & messaging

Requires authNot measured3 / 22Not checked yet
Website Screenshot & PDF API

Full-page screenshots and URL to PDF in real Chrome, via the Apify actor

OtherFile & docs

Requires authNot measured3 / 22Not checked yet
Requires authNot measured3 / 22Not checked yet
Wever Connect

Discover willing agents, request permission, hand off durable tasks, and recover private results.

Developer ToolsCode & DevOps

Requires authNot measured3 / 22Not checked yet
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
Workwae developer

Workwae developer tools: sync health, webhooks, connect links, usage, audit log, API docs.

OtherAutomation & workflows

Requires authNot measured3 / 22Not checked yet
WorkWing

Field service management: find customers, read the schedule, create and book jobs, add notes.

ProductivityFile & docs

Requires authOutdated checkNot measured3 / 22
Zalcro

Generate architecture docs, implementation plans, and dev tickets from your project requirements.

OtherAI / LLM tooling

Requires authOutdated checkNot measured3 / 22
Zuzia

Monitor servers and websites with Zuzia: hosts, uptime, metrics, alerts, logs, services and tasks.

Data & AnalyticsMonitoring & observability

Requires authNot measured3 / 22Not checked yet
com.exoquery/mcp-server

Kotlin compile-time SQL library. Docs, code validation, and SQLite execution tools.

Developer ToolsDatabase

Outdated checkNot measured2 / 22
Outdated checkNot measured2 / 22
io.github.ferm-ai/agentwork-mcp

Official MCP server for Agentwork — delegate tasks to AI agents with human-in-the-loop

Developer ToolsCode & DevOps

Outdated checkNot measured2 / 22
io.github.therealMrFunGuy/invoice-pilot

PDF invoicing with auto-chase reminders, email delivery, and payment tracking.

Finance & CryptoPayments & trading

Outdated checkNot measured2 / 22
io.github.therealMrFunGuy/screenshot-api

Website screenshots as PNG, JPEG, or PDF with custom viewports and full-page capture.

Developer ToolsCode & DevOps

Outdated checkNot measured2 / 22
io.github.therealMrFunGuy/test-mailbox

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

ProductivityCommunication & messaging

Outdated checkNot measured2 / 22
Artifacts

Save decisions, plans, and notes from any AI session and retrieve them later — from any client. Ask

Developer ToolsCode & DevOps

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