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spreadsheets

100 / 100 · Low risk

Fine to try.

By nimadorostkar/Claude-Skills-collection (GitHub) · data · 36 stars · scanned at commit 1691932

Use when creating, reading, or fixing spreadsheets (.xlsx, .csv). Covers formulas, formatting, charts, data cleaning, and handling the messy real-world files that are not actually tabular. Trigger on "clean up this messy excel file", "add formulas to this spreadsheet", "read this xlsx", "this csv won't parse". Do not use for heavy dataframe analysis in code — see the pandas skill.

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/'spreadsheets' ] || [ -L ~/.agents/skills/'spreadsheets' ]; then echo 'A skill folder named spreadsheets already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/nimadorostkar/Claude-Skills-collection' "$d" && git -C "$d" checkout --quiet '1691932edc17063d712a85d02bcc7a1cd3791057' -- 'skills/documents/spreadsheets' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/documents/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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