Free, open-source testing and monitoring for MCP servers
Stage
Not given
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Founded
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Based in
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IN
Pricing model
Free
Freemium
Pricing
Not given
Free: browser test, CLI tool, GitHub check, and Monitor for 1 server with hourly checks and daily full tests. Pro: $19/month founding price (first 50 customers, then $29/month) for 3 servers, hourly full tests, 5-minute uptime checks, Slack alerts, and login support. Agency: $99/month (increases to
Key features
Animated pet per session showing real-time activity (typing, hammering, reading, delegating, etc.)
Visual highlight when session needs approval, input or response
One-click navigation to the correct thread in Claude, Codex or terminal
Thread-to-thread note passing with delivery control
Up to 40 automatic notes per hour between threads
Effort level badges (XHIGH, MAX, ULTRA) with visual effects
Model and effort information on every session card
End-of-day wrap-up showing waiting, running and scheduled sessions
Supports servers behind login and local servers
Generates shareable HTML reports
Email and Slack alerting for server changes
What makes it different
Native Swift app, lightweight at 4.3 MB
Over thirty animated mood performances showing session status without opening it
Works across Claude desktop app, Codex and terminal simultaneously
Checks are code-verified, never AI-judged, with plain evidence for each result
Completely free testing with no account required
Never modifies or deletes data; safe mode by default
No tracking, telemetry, or data sent beyond the tested server
Bloblings