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xlsx-toolkit

95 / 100 · Low risk

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

By borghei/Claude-Skills (GitHub) · coding · 1,086 stars · scanned at commit 25bf86b

Audit Microsoft Excel (.xlsx) workbooks for formula density, external references, named ranges, hidden sheets, and data validation. Use when reviewing a financial model, sharing a workbook externally, or checking for data leakage.

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/'xlsx-toolkit' ] || [ -L ~/.agents/skills/'xlsx-toolkit' ]; then echo 'A skill folder named xlsx-toolkit already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/borghei/Claude-Skills' "$d" && git -C "$d" checkout --quiet '25bf86b89c6c1e63f433a5b65e8cfcb6cf0b7ad3' -- 'documents/xlsx-toolkit' && mkdir -p ~/.agents/skills && cp -R "$d"/'documents/xlsx-toolkit' ~/.agents/skills/'xlsx-toolkit' && 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/'xlsx-toolkit' ~/.claude/skills/'xlsx-toolkit' (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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