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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1058 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
North Noir: AI-Drawn Video Studio

Make AI-drawn video from chat: your LLM draws every frame in code; add narration, music and SFX.

MediaAI / LLM tooling

Requires authNot measured4 / 22
Okapi

Breaking changes of third-party APIs: check your code's API calls before they break.

OtherOther

Requires authNot measured4 / 22Not checked yet
OKForest

Your organization's knowledge as OKF trees in Git, for AI assistants to search, read, and cite

OtherData access / search

Requires authNot measured4 / 22
onetapvote

Create one-tap polls, share them by link or QR code, and read the results from your AI assistant.

OtherOther

Requires authNot measured4 / 22
opsen

Engineering spend: GitHub seats, Copilot, Actions and coding agents, priced, with fixes

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
OpsTether — Linux Server Management

Linux server administration over OAuth MCP: shell, Docker, systemd, files and monitoring.

Developer ToolsMonitoring & observability

Requires authOutdated checkNot measured4 / 22
Passport.Me

Your Gmail, Calendar, Drive, GitHub, Oura, wallet and confirmed profile facts in any MCP client.

ProductivityPayments & trading

Requires authOutdated checkNot measured4 / 22
Pathista

Step-by-step workflows for ChatGPT, Claude and Claude Code: the AI gets one step at a time.

OtherAutomation & workflows

Requires authNot measured4 / 22
PingZen Uptime Monitoring

Uptime monitoring with 127 tools across 23 protocols. Tag filtering + Code Mode.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22Not checked yet
Plinth

App hosting your agent runs: git, deploys, staging/production, Postgres. Owner approves risky steps.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Poofbox Mail

Disposable inboxes for AI agents: create an address, wait for the email, get the code or link.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Prisma Postgres and Prisma Compute

Manage Prisma Postgres and existing Prisma Compute apps. Requires sign-in; does not upload code.

Developer ToolsDatabase

Requires authNot measured4 / 22Not checked yet
Prometheor

Your AI apps as one team: hand work to Codex or Claude Code on your Mac, with a shared logbook.

OtherAI / LLM tooling

Requires authNot measured4 / 22
Proxy Mail QA

Test inboxes for your app's sign-up and login emails: get the code or link, or why none came.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Pulse

Ask about revenue, MRR, ad spend, LTV and CAC; install the Pulse SDK. Read-only.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
Python Code Validator

Proves AI-generated Python does what you asked: lint, types, security, sandbox run, exact fixes.

OtherOther

Requires authNot measured4 / 22Not checked yet
QR Code Creator

Free QR codes for any URL with no signup or API key, plus scan analytics. Pro makes links editable.

Data & AnalyticsData access / search

Requires authNot measured4 / 22Not checked yet
QR Code Got Simplified

Make QR codes for links, text or contact cards.

OtherOther

Requires authOutdated checkNot measured4 / 22
QRMint by Harlo

Static QR codes and 1-D barcodes (Code 128, EAN-13, UPC-A, EAN-8) as SVG, PNG or data URL.

OtherOther

Requires authNot measured4 / 22Not checked yet
Rams

Design review for UI code and live pages: quick checks, 0-100 scored reviews, fixes as patches

OtherOther

Requires authNot measured4 / 22Not checked yet
Renor

Private memory for AI agents: save and recall facts across Claude Code, Codex, Cursor and ChatGPT.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
RepoFold

A cited wiki of your GitHub repo: search, read pages, find symbols and ask, with line citations.

Developer ToolsKnowledge & memory

Requires authNot measured4 / 22Not checked yet
RepoGates

Trust verdicts on repos, models, VS Code and Docker Desktop extensions and agent skills.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Rivet

Manage Rivet Cloud namespaces and actors, run Code Mode, and open the Rivet Actor Inspector.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22

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