From the author
Write a real Excel workbook (.xlsx) from JSON or CSV — several sheets, styled header, numbers, formulas, a SUM total row — or read an existing .xlsx back to JSON/CSV. Standard library only, no Excel needed.
Install
npx skills add metadist/synaplan-desktop --skill xlsx -a claude-code
Installs to .claude/skills/xlsx/ · Each command fetches the skill straight from GitHub with the open skills CLI.
Byte-identical to the scanned commit, with the repository’s licence and a SOURCE.txt.
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