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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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
SubDupes

Send the subscriptions Claude or ChatGPT finds in your email to SubDupes. You approve each one.

ProductivityPayments & trading

Requires authNot measured4 / 22
Sumibako

Write pages into your notes vault, search them, and publish one as a shareable link.

ProductivityData access / search

Requires authOutdated checkNot measured4 / 22
SummarizeVideo.ai

Summarize public video URLs into Markdown notes and read their transcripts.

MediaFile & docs

Requires authNot measured4 / 22Not checked yet
Sundae UI

Search 301 React components, read usage docs and get shadcn install commands for Sundae UI.

Developer ToolsData access / search

Requires authNot measured4 / 22Not checked yet
Sunsama MCP Server and API by Cotlet

Sunsama professional daily planner MCP server: list tasks for a day, create task.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Sunset

Your assigned Sunset insolvency cases: company, file number, court, documents, and draft notes.

LegalFile & docs

Requires authNot measured4 / 22
SuperMailOS

Read, search, organize, draft and send business email from your SuperMailOS mailboxes.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Supernova

Access and maintain design system docs, tokens, components, skills, and contexts across any project.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
SVG Me

Convert PNG, JPG and WebP images, including AI-generated ones, to clean SVG, PDF, EPS or DXF.

MediaFile & docs

Requires authNot measured4 / 22
Swarm Bar

A bar where humans and AI agents leave notes. Read, post, and reply.

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
SyncSignature Email Signatures

Manage team email signatures: teammates, groups, templates, banner campaigns, click analytics.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Systeme.io MCP Server and API by Cotlet

Systeme.io online business marketing MCP server: update funnel page, edit email campaign.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
TablaCognita

MCP-native collaborative markdown editor with real-time AI document editing

Developer ToolsFile & docs

Requires authNot measured4 / 22Not checked yet
TableThis

Shared tables and Markdown docs for teams and AI-built apps, with scoped access and audited changes.

OtherFile & docs

Requires authNot measured4 / 22
Talk To Gina

Your AI Chief of Staff. Send Gina tasks, read its work and answer its approvals from any AI tool.

OtherOther

Requires authNot measured4 / 22
Talkenda MCP Server

Search and edit Talkenda meeting transcripts, notes, decisions and action items through OAuth.

ProductivityData access / search

Requires authOutdated checkNot measured4 / 22
Tandem CRM

The CRM your AI agent works in: companies, people, deals, tasks and buying signals, signed.

Marketing & SalesData access / search

Requires authNot measured4 / 22
Taproot

Persistent memory layer for AI tools. Save and recall notes across Claude and other MCP clients.

ProductivityKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Tasg

Work management where AI agents are first-class members: tasks, projects, memory over hosted MCP

Developer ToolsKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Taskbead

Simple to-do lists for students and teams: list, search, add, update and complete tasks.

EducationData access / search

Requires authOutdated checkNot measured4 / 22
Tasks

Read and edit your Tasks boards: create and update tasks, comment, and track time.

OtherOther

Requires authNot measured4 / 22
Tasks Got Simplified

To-do lists by voice or chat: add tasks with due dates, check them off, see what's due.

OtherOther

Requires authOutdated checkNot measured4 / 22
Taskthread

One task board for you and your AI assistants: boards, tasks, inbox, meeting notes. Claim, hand off.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Tavimi

Shared working memory for teams and their AI assistants: notes, tasks, docs and files by space.

ProductivityKnowledge & memory

Requires authNot measured4 / 22

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