Is Feishu User Plugin MCP server safe?

Probably. Read the findings first.

C60/100grade C

Use with care. Some checks failed or could not be verified.

What to know before installing

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

1 high

Code scan90 source files scanned13/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenancelast push 56 days ago12/15
Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

highShell command built from a string (injection risk)exec.shell-concat

src/oauth.js: …=== 'darwin' ? 'open' : 'xdg-open'; execSync(`${openCmd} "${authUrl}"`); } catch { console.log…

Overall 60/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Feishu User Plugin
Feishu/Lark MCP server + CLI tool. 85 tools, 3 auth layers. Send as user via cookie+protobuf.
not reviewed
Growing
C
Guardvibe
Deterministic security layer your AI can't be. 510 rules, 39 tools, CLI + doctor + host audit.
not reviewed
Growing
C
JAJ Dataverse Dev MCP
Xrm/Power Platform/Dataverse MCP for devs, Azure CLI auth, Web API and multi-environment support
not reviewed
Growing
A