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mcp-metadata-precheck

95 / 100 · Low risk

Fine to try.

By cemini23/Cybersecurity-wiki (GitHub) · other · 12 stars · scanned at commit 5ea7630

K382 MCP tool metadata supply-chain precheck. Static scan of local tool name/description JSON for authority/hidden-instruction heuristics before catalog adoption. Use when the operator says MCP metadata precheck / A2M awareness scan.

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/'mcp-metadata-precheck' ] || [ -L ~/.agents/skills/'mcp-metadata-precheck' ]; then echo 'A skill folder named mcp-metadata-precheck already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/cemini23/Cybersecurity-wiki' "$d" && git -C "$d" checkout --quiet '5ea7630c92d7788635bddb1c35b4f0d45e9d7e71' -- '.cursor/skills/mcp-metadata-precheck' && mkdir -p ~/.agents/skills && cp -R "$d"/'.cursor/skills/mcp-metadata-precheck' ~/.agents/skills/'mcp-metadata-precheck' && 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/'mcp-metadata-precheck' ~/.claude/skills/'mcp-metadata-precheck' (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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