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xlsx-author

Produce a .xlsx workbook file on disk for headless sessions or artifact-based workflows instead of driving a live Excel workbook. Use when the user needs a workbook artifact created or updated from data and instructions.

The English summary is being prepared. Showing the original description.

Works withExcel
See how to install

Files included (3)

  • SKILL.md1.8 KB
  • agents/openai.yaml331 B
  • LICENSE.txt11.1 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

XLSX Author

Use this skill when running headless or when the user needs an Excel workbook delivered as a file artifact rather than editing a live workbook.

Use this skill for file-producing workflows. A configured document engine may provide a live embedded editor or visual export, but workbook authoring remains code-driven and works without that optional integration.

Output Contract

  • Write to ./out/<name>.xlsx unless the user provides a different path.
  • Create ./out/ if it does not exist.
  • Return the relative path in the final message.

How To Build The Workbook

Write a short script and run it. Prefer openpyxl for Python-based workbook authoring.

from openpyxl import Workbook
from openpyxl.styles import Font

wb = Workbook()
ws = wb.active
ws.title = "Inputs"
ws["B2"] = "Revenue"
ws["C2"] = 1_250_000_000
ws["C2"].font = Font(color="0000FF")  # blue = hardcoded input

calc = wb.create_sheet("DCF")
calc["C5"] = "=Inputs!C2*(1+Inputs!C3)"  # formula cell

wb.save("./out/model.xlsx")

Conventions

  • Blue cells are hardcoded inputs.
  • Black cells are formulas.
  • Green cells are links to another sheet or file.
  • Do not hardcode values in calculation cells.
  • Put assumptions on an Inputs tab.
  • Use named ranges for values referenced from a deck or memo.
  • Include a Checks tab for balance checks, cash tie-outs, and other TRUE/FALSE controls.
  • Keep one model per file unless the user explicitly asks to append to an existing workbook.

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