MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

2949 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
ReplyLayer

Safe email for AI agents: a mailbox with inbound scanning, outbound checks and human review.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Replyz

Your AI agent's own inbox: sign-up codes and links. It can only email its own human. Key needed.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
RepoMemory

Shared project memory for coding agents: decisions, lessons, guardrails and tasks per repository.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
Restivity

Tasks, timers and earnings for freelancers and agencies: your AI agent works where you get paid.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
Revisionme

Visual feedback from your website's visitors as tasks for your coding agent.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
Ridian

Calendars, tasks, contacts, bookings and agent inboxes for your assistant. EU-hosted, OAuth.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Ridian Calendar Feeds

Publish subscribable calendars for Google, Outlook and Apple and keep them updated from chat.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Ring a Human

Hand phone calls to vetted humans. Agents create call tasks; people dial and report outcomes.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
Rippd

Your Rippd training and nutrition data in your AI: food, workouts, weigh-ins, targets, coach notes.

ProductivityFile & docs

Requires authNot measured4 / 22
Robin

Let your agent handle your email, on your terms. Reads what you allow, replies with your OK.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
RoryPlans

AI work orchestration for plans, tasks, teams, and coding-agent dispatch.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
Runable

Run agent tasks, track progress, retrieve files, and search meeting notes with Runable.

ProductivityData access / search

Requires authOutdated checkNot measured4 / 22
Runlane

Kanban board for teams and coding agents: manage tasks, subtasks, sprints and wiki pages via MCP.

Developer ToolsKnowledge & memory

Requires authNot measured4 / 22Not checked yet
RunLite

Hosts AI-built websites with working contact forms. Enquiries arrive by email or WhatsApp.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Salta

Mobile-first AI life planner — turn goals into daily, synced tasks from your AI assistant.

OtherOther

Requires authOutdated checkNot measured4 / 22
Scheduly

Calendar and notes for AI assistants: read, create and move events, keep notes. Korean & English.

ProductivityFile & docs

Requires authNot measured4 / 22
ScreenshotAgent

Keep docs and help-center screenshots current: find, recapture, mark up and embed them.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Screvi

Search and organize your reading library of highlights, saved articles, notes and tags.

ProductivityData access / search

Requires authOutdated checkNot measured4 / 22
SeasonalEdge

Find the calendar days, weeks and events that beat simply holding a US stock or ETF, year by year.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
Seeder

Search and act on your VC firm's deal pipeline: deals, notes, tasks, analyst assignment.

ProductivityData access / search

Requires authOutdated checkNot measured4 / 22
SeggWat

Manage feedback, ratings, surveys, changelogs, and review tasks in your SeggWat projects.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Selah Bible Study (selah.so)

Bible MCP server for ChatGPT, Claude and Grok: Scripture, study notes, Strong's Greek and Hebrew.

ProductivityAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Send16

Email, SMS and marketing automation: campaigns, contacts, automations and stats from Claude.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22Not checked yet
SendFaxFast (AI Fax Credits)

Send faxes from AI chat with prepaid credits (1 credit = 1 fax, up to 100 pages). PDF, JPG, PNG.

OtherFile & docs

Requires authNot measured4 / 22Not checked yet

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