Handles Excel file generation and manipulation with a focus on producing polished, error-free spreadsheets. The skill enforces professional standards like zero formula errors, consistent fonts, and proper color coding for financial models. It's especially useful if you're building financial templates or data reports where presentation matters. One nice touch: it explicitly preserves existing template conventions when updating files rather than forcing its own formatting rules. Originally forked from Anthropic's official skills collection, so the core functionality has had some real-world testing. With 165 installs and a security warning from Gen Agent Trust Hub, you'll want to review what that audit flagged before adding it to production workflows.

skills.sh installs
165
GitHub stars
234
last updated
Jun 3, 2026

Install

$ npx -y skills add flora131/atomic --skill xlsx --agent claude-code

Installs into .claude/skills of the current project.

Files

Handles Excel file generation and manipulation with a focus on producing polished, error-free spreadsheets. The skill enforces professional standards like zero formula errors, consistent fonts, and proper color coding for financial models. It's especially useful if you're building financial templates or data reports where presentation matters. One nice touch: it explicitly preserves existing template conventions when updating files rather than forcing its own formatting rules. Originally forked from Anthropic's official skills collection, so the core functionality has had some real-world testing. With 165 installs and a security warning from Gen Agent Trust Hub, you'll want to review what that audit flagged before adding it to production workflows.

Browse the repository on GitHub

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Details

Repository
github.com/flora131/atomic
Category
Office & Documents
First seen
Jun 3, 2026

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