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OfficeCLI Excel Skill

Lets an agent create, read, edit and check .xlsx spreadsheets using the OfficeCLI tool.

Source Download skill
Repository
iOfficeAI/OfficeCLI
Stars
32,939
Licence
Apache-2.0
Files
1 file

What it does

When installed, this skill teaches the agent how to build and edit Excel workbooks with the OfficeCLI command-line tool instead of guessing. It sets quality rules: formulas instead of hardcoded numbers, no formula errors, set column widths, consistent fonts, and a visual check before finishing. For financial models it adds a standard color-coding scheme (blue inputs, black formulas, green cross-sheet links) and number formatting conventions.

Great for

  • Analysts or finance staff who want an agent to build budgets, forecasts or trackers in Excel
  • Anyone who needs to import CSV data into a formatted .xlsx file
  • Users who want an agent to edit an existing workbook while keeping its look

Skip it if

  • Users who do not want software installed on their computer, since the skill depends on the OfficeCLI program being present
  • Situations where the agent must not run shell commands, because the workflow relies on repeated command-line calls that modify the file

Try asking

  • “Create a monthly budget workbook with formulas for totals and a summary chart”
  • “Import this sales CSV into a formatted Excel file with column widths set”
  • “Add a pivot table and a bar chart to my existing tracker.xlsx”
  • “Build a three-statement financial model with blue inputs and black formulas”
Step-by-step guide: how to use OfficeCLI Excel SkillInstall, first run, examples, tips and FAQs

Install in 3 steps

  1. 1

    Download the skill

    The ZIP contains the 1 original files, the Apache-2.0 licence and an attribution note.

    officecli-xlsx.zip
  2. 2

    Add it to your agent

    Claude Code (all projects)

    mkdir -p ~/.claude/skills && unzip officecli-xlsx.zip -d ~/.claude/skills/

    Claude Code / Agent SDK (this project only)

    mkdir -p .claude/skills && unzip officecli-xlsx.zip -d .claude/skills/

    Claude apps (web/desktop): Settings → Capabilities → Skills → Upload skill, and choose the ZIP.

  3. 3

    Ask for the task

    No special command needed — the agent reads the skill's description and loads it when your request matches. Try one of the prompts above.

Get better results

  • Check the install script source before running it, since the setup downloads and executes a script from the internet.
  • Ask the agent to show help output for uncertain commands, as the skill says the installed help is authoritative.
  • Review the finished workbook yourself, since the skill's checks are instructions the agent must follow rather than guarantees.

What's inside

  • SKILL.md

Redistributed unmodified from iOfficeAI/OfficeCLI under the Apache-2.0 licence. The assessment was drafted with AI from the skill's files on 2026-10-29. Skills can instruct your agent to run code — read SKILL.md and any scripts before installing.