Observed arrival · 2026-11-10
Moonpeak probes MCP servers before they ship
Credibility concern recorded. The source reference remains available for verification and correction.
A browser-based inspector checks MCP servers, lists their tools, scores protocol and security behavior, and lets visitors run tools and preview MCP App UIs.
- For
- MCP server developers and security reviewers
- Worth noticing
- Its scoring deducts 20 points for a failed check and 6 for a warning; the page says each rule has an explanation.
Field notes
The workflow starts with a Streamable HTTP endpoint and can include a bearer token. The page says discovery covers tools, resources, and prompts across pages, while deliberately malformed requests test version negotiation and header validation. Its scoring explanation assigns a 20-point deduction to failures and 6 points to warnings; the page also describes rerunning probes to spot changed tool definitions.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue