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malicious-skill-mcp-perms

94 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By try-agora/qvr (GitHub) · coding · 26 stars · scanned at commit 7178391

Fixture for the MCP least-privilege check. Declares allowed-tools containing only "Read" but ships Python code that exercises shell and network capabilities, so LP1 must fire for both undeclared capabilities.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'malicious-skill-mcp-perms' ] || [ -L ~/.agents/skills/'malicious-skill-mcp-perms' ]; then echo 'A skill folder named malicious-skill-mcp-perms already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/try-agora/qvr' "$d" && git -C "$d" checkout --quiet '71783910729031afe6ad1d640728b1534ee4c198' -- 'testdata/malicious-skill-mcp-perms' && mkdir -p ~/.agents/skills && cp -R "$d"/'testdata/malicious-skill-mcp-perms' ~/.agents/skills/'malicious-skill-mcp-perms' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'malicious-skill-mcp-perms' ~/.claude/skills/'malicious-skill-mcp-perms' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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