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Spreadsheets

97 / 100 · Low risk

Fine to try.

By asgeirtj/system_prompts_leaks (GitHub) · data · 71,116 stars · scanned at commit fc0108f

Use skill when user requests to create, modify, analyze, visualize, or work with spreadsheet files (`.xlsx`, `.xls`, `.csv`, `.tsv`) or Google Sheets with formulas, formatting, charts, tables, and recalculation. Do not use for live controlling Microsoft Excel app or a live Excel session.

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/'spreadsheets' ] || [ -L ~/.agents/skills/'spreadsheets' ]; then echo 'A skill folder named spreadsheets already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/asgeirtj/system_prompts_leaks' "$d" && git -C "$d" checkout --quiet 'fc0108f594b63bca905f2c4815aaef430d13bd68' -- 'OpenAI/Codex/plugins/spreadsheets/skills/spreadsheets' && mkdir -p ~/.agents/skills && cp -R "$d"/'OpenAI/Codex/plugins/spreadsheets/skills/spreadsheets' ~/.agents/skills/'spreadsheets' && 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/'spreadsheets' ~/.claude/skills/'spreadsheets' (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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