Skills/npm/feature-docs

feature-docs@3.0.0

VERIFIED

Publisher claims: "Agent skill that writes tracked, as-built feature docs (overview, decisions, tickets) next to the code for Claude Code, Cursor, Codex and Antigravity." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher codemeall · joined 8 days agoInstalls 710Last detonated 3 h ago
$claude mcp add feature-docs -- npx -y feature-docs
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario) on 2026-11-04 and scored it 84/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 0 s · 1 scenarios · 0 deviations
t+CategoryObserved action
0.1sprocessexec /usr/bin/dirname
0.1sprocessexited 1:
0.1sprocessscript backend runs setup only
0.1sprocessscript backend runs setup only

Static findings

HIGH
Instructs the agent to modify its persistent memory or instruction filesskills/feature-docs/scripts/feature-docs.sh:16 · Instructs the agent to modify its persistent memory or instruction filesFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01
MEDIUM
File type combined with upload actionskills/feature-docs/scripts/feature-docs.sh:495 · File type combined with upload action — agent may exfiltrate local data filesFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
File permission modification commandskills/feature-docs/scripts/feature-docs.sh:346 · File permission modification command — agent changes file ownership/permissionsFix: Request the narrowest permission that works; replace wildcards with the exact paths or hosts.
AST05
MEDIUM
File permission modification commandinstall.sh:92 · File permission modification command — agent changes file ownership/permissionsFix: Request the narrowest permission that works; replace wildcards with the exact paths or hosts.
AST05
MEDIUM
npx invocation of non-well-known packagebin/feature-docs.js:2 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
File permission modification commandskills/feature-docs/scripts/feature-docs.sh:747 · File permission modification command — agent changes file ownership/permissionsFix: Request the narrowest permission that works; replace wildcards with the exact paths or hosts.
AST05