39 editorial HTML/SVG diagram types for Claude Code and Codex
Anthropic XLSX
SkillSpreadsheet skill for .xlsx/.csv create, clean, chart, and convert
Clone or download it from github.com, then drop the folder into ~/.claude/skills/ (Claude Code) or your agent's skills directory.
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About Anthropic XLSX
Official Anthropic skill when the deliverable is a spreadsheet. Open messy CSVs, add columns and formulas, chart data, fix malformed tables, and convert between tabular formats with agent-friendly guidance.
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