xlsx-author Skill
Produce a .xlsx file on disk (headless) instead of driving a live Excel workbook — for managed-agent sessions with no open Office app. Published by anthropics in financial-services.
What is xlsx-author Skill?
Produce a .xlsx file on disk (headless) instead of driving a live Excel workbook — for managed-agent sessions with no open Office app. Published by anthropics in financial-services. This profile combines repository metadata with install, compatibility, and usage signals so developers can quickly decide whether it fits their agent workflow before opening the source repository.
Automated repository signals based on public metadata such as recency, license, installation evidence, and adoption. These are not a security audit or endorsement.
Key capabilities
- Includes SKILL.md support
- Reusable instructions support
- Security review
- Writing
- Security review use cases
- Writing use cases
Technical details
- Install or run with Copy skill directory
When to use xlsx-author Skill
- Use it for security review.
- Use it for writing.
Built with
Editorial notes
Source
- Creator: anthropics
- Repository: anthropics/financial-services
- Skill file: plugins/agent-plugins/pitch-agent/skills/xlsx-author/SKILL.md
What it does
Produce a .xlsx file on disk (headless) instead of driving a live Excel workbook — for managed-agent sessions with no open Office app.
Skill instructions
xlsx-author Use this skill when running headless (managed-agent / CMA mode) and you need to deliver an Excel workbook as a file artifact rather than editing a live workbook via mcpofficeexcel. Output contract - Write to ./out/<name.xlsx. Create ./out/ if it does not exist. - Return the relative path in your final message so the orchestration layer can collect it. How to build the workbook Write a short Python script and run it with Bash. Use openpyxl: python from openpyxl import Workbook from openpyxl.styles import Font, PatternFill wb = Workbook() ws = wb.active; ws.title = "Inputs" ws["B2"] = "Revenue"; ws["C2"] = 1250000000 ws["C2"].font = Font(color="0000FF") blue = hardcoded input calc = wb.createsheet("DCF") calc["C5"] = "=Inputs!C2(1+Inputs!C3)" black = formula wb.save("./out/model.xlsx") Conventions (mirror audit-xls) - Blue / black / green. Blue = hardcoded input, black = formula, green = link to another sheet/file. - No hardcodes in calc cells. Every calculation cell is a for
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Frequently asked questions
What is xlsx-author?
xlsx-author is a open-source AI agent skill with Copy skill directory. Produce a .xlsx file on disk (headless) instead of driving a live Excel workbook — for managed-agent sessions with no open Office app.
Who is xlsx-author best for?
xlsx-author is best for reusing agent instructions, scripts, and references, security review workflows, writing workflows.
How do I install xlsx-author?
Install or run xlsx-author using Copy skill directory. Check xlsx-author for the latest setup command.
Is xlsx-author actively maintained?
xlsx-author may need a closer maintenance check before production use.
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