Is Mu MCP server safe?
Yes, with the usual care.
Safe to use. Minor gaps such as a missing repository or slower maintenance.
What to know before installing
- highWrite-action tools reachable without authentication
Public scan report
scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it
1 high
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 947ms20/20
- Tool poisoning156 tool descriptions checked15/15
- Auth qualityopen endpoint exposes 27 write-action tools with no auth3/15
- Maintenancelast push 0 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year; website matches verified namespace10/10
Findings (1)
- highWrite-action tools reachable without authentication
auth.open-write
Overall 84/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
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