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nday

100 / 100 · Low risk

Fine to try.

By Encod3d-Sec/TORCH (GitHub) · security · 340 stars · scanned at commit d21b6c9

N-day / patch-diff workflow - given a CVE/advisory or a suspicious patch, diff pre- vs post-patch to locate the fixed bug, build a PoC for the unpatched version, and run variant analysis for a fresh bug. Triggers - "n-day", "patch diff", "diff the patch", "bindiff".

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'nday' ] || [ -L ~/.agents/skills/'nday' ]; then echo 'A skill folder named nday already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/Encod3d-Sec/TORCH' "$d" && git -C "$d" checkout --quiet 'd21b6c94982cec09c88ae9c0e98f4e3865de7148' -- 'skills/workflow/nday' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/workflow/nday' ~/.agents/skills/'nday' && 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/'nday' ~/.claude/skills/'nday' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

Badge for your README

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