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Excel Automation

Helps your agent work with spreadsheets in Excel and Google Sheets. It can create, edit, and format files.

What it does

This tool helps you organize and manage data in spreadsheets like Excel and Google Sheets. You can create new spreadsheets, add information, update existing data, and even change the appearance of cells.

When to use it

  • ✓When you need to create a new expense tracking file.
  • ✓To update a contact list with new information.
  • ✓To format a report with bold titles and colors.

Example of what to ask your AI

“Create a new Excel spreadsheet named 'Sales Report' with columns 'Product', 'Quantity', and 'Price', and fill it with the data: T-shirt, 10, $50; Pants, 5, $120.”

Want more? Open the sections below.

How to use

The easiest way: copy the message below and paste it into Claude, ChatGPT, Cursor or any AI. It reads the skill and follows the instructions.

Skill link

https://github.com/ComposioHQ/awesome-claude-skills/blob/master/composio-skills/excel-automation/SKILL.md

Ready-to-paste message

Use this skill to help me: https://github.com/ComposioHQ/awesome-claude-skills/blob/master/composio-skills/excel-automation/SKILL.md Read the SKILL.md file at that link and follow its instructions for my task.
How it works

The tool connects to Excel (via OneDrive) or Google Sheets. It uses specific commands to create files, write or update data in cells, and apply formatting like bold text or colors.

Installation

Easiest way: copy the skill link and paste it into Claude, ChatGPT or Cursor asking it to follow the instructions.

In the terminal (Claude Code, Codex, Cursor), in your project folder:

npx skills add ComposioHQ/awesome-claude-skills --skill Excel Automation

Or download just the file:

curl -L https://raw.githubusercontent.com/ComposioHQ/awesome-claude-skills/master/composio-skills/excel-automation/SKILL.md -o SKILL.md
Technical content (original SKILL.md)

Original text by the author, straight from GitHub.

Excel Automation

Automate spreadsheet operations including creating workbooks, writing data, formatting cells, upserting rows, and managing worksheets. Works with Microsoft Excel (OneDrive) and Google Sheets.

Toolkit docs: composio.dev/toolkits/excel


Setup

This skill requires the Rube MCP server connected at https://rube.app/mcp.

Before executing any tools, ensure an active connection exists for the excel (and optionally googlesheets) toolkit. If no connection is active, initiate one via RUBE_MANAGE_CONNECTIONS.


Core Workflows

1. Create a New Excel Workbook

Use EXCEL_CREATE_WORKBOOK to generate a new .xlsx file and upload it to OneDrive.

Tool: EXCEL_CREATE_WORKBOOK

Steps:

  1. Call EXCEL_CREATE_WORKBOOK with worksheet names and data
  2. The tool creates a .xlsx file and uploads it to OneDrive
  3. Use the returned file path/URL for subsequent operations

2. Write Data to a Spreadsheet

Use GOOGLESHEETS_BATCH_UPDATE to write values to a specific range or append rows.

Tool: GOOGLESHEETS_BATCH_UPDATE

Key Parameters:

  • spreadsheet_id (required) -- The spreadsheet ID from the URL (44-char alphanumeric string)
  • sheet_name (required) -- Tab name, e.g., "Sheet1", "Sales Data"
  • values (required) -- 2D array of cell values, e.g., [["Name","Amount"],["Alice",100]]
  • first_cell_location -- Starting cell in A1 notation (e.g., "A1", "D3"). Omit to append rows
  • valueInputOption -- "USER_ENTERED" (default, parses formulas) or "RAW" (stores as-is)

Example:

Tool: GOOGLESHEETS_BATCH_UPDATE
Arguments:
  spreadsheet_id: "1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms"
  sheet_name: "Sheet1"
  values: [["Item","Cost","Stocked"],["Wheel",20.50,true],["Screw",0.50,true]]
  first_cell_location: "A1"

3. Upsert Rows by Key Column

Use GOOGLESHEETS_UPSERT_ROWS to update existing rows by matching a key column, or append new rows if no match is found. Ideal for CRM syncs, inventory updates, and deduplication.

Tool: GOOGLESHEETS_UPSERT_ROWS

Key Parameters:

  • spreadsheetId (required) -- The spreadsheet ID
  • sheetName (required) -- Tab name
  • rows (required) -- 2D array of data rows (min 1 row). If headers is omitted, the first row is treated as headers
  • headers -- Column names for the data, e.g., ["Email","Phone","Status"]
  • keyColumn -- Column header to match on, e.g., "Email", "SKU", "Lead ID"
  • strictMode -- true (default) errors on mismatched columns; false truncates silently

Example:

Tool: GOOGLESHEETS_UPSERT_ROWS
Arguments:
  spreadsheetId: "1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms"
  sheetName: "Contacts"
  keyColumn: "Email"
  headers: ["Email","Phone","Status"]
  rows: [["john@example.com","555-0101","Active"],["jane@example.com","555-0102","Pending"]]

4. Format Cells

Use GOOGLESHEETS_FORMAT_CELL to apply bold, italic, font size, and background colors to ranges.

Tool: GOOGLESHEETS_FORMAT_CELL

Key Parameters:

  • spreadsheet_id (required) -- The spreadsheet ID
  • range -- Cell range in A1 notation, e.g., "A1:D1", "B2:B10" (recommended over index-based)
  • sheet_name -- Worksheet name, e.g., "Sheet1"
  • bold -- true/false
  • italic -- true/false
  • fontSize -- Font size in points, e.g., 12
  • red, green, blue -- Background color components (0.0--1.0 float scale, NOT 0--255)

Example (bold header row with blue background):

Tool: GOOGLESHEETS_FORMAT_CELL
Arguments:
  spreadsheet_id: "1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms"
  range: "A1:D1"
  sheet_name: "Sheet1"
  bold: true
  fontSize: 12
  red: 0.2
  green: 0.4
  blue: 0.9

5. Add New Worksheet Tabs

Use GOOGLESHEETS_ADD_SHEET to create new tabs within an existing spreadsheet.

Tool: GOOGLESHEETS_ADD_SHEET

Key Parameters:

  • spreadsheetId (required) -- The spreadsheet ID
  • title -- Name for the new tab, e.g., "Q4 Report"
  • forceUnique -- true (default) auto-appends suffix if name exists

Example:

Tool: GOOGLESHEETS_ADD_SHEET
Arguments:
  spreadsheetId: "1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms"
  title: "Q4 Report"
  forceUnique: true

6. Read Data and Verify Content

Use GOOGLESHEETS_BATCH_GET to retrieve data from specified cell ranges for validation or further processing.

Tool: GOOGLESHEETS_BATCH_GET

Steps:

…

FAQ

What happens if I can't create a spreadsheet in Google Sheets?

If there's an issue creating in Google Sheets, the tool can create an Excel file (.xlsx) in your OneDrive.

How does the tool know where to put the data?

You can specify the spreadsheet (sheet), the cell range (like 'A1' or 'B2:C5'), and whether to add data or update existing information based on a key column.

Can I change the background color of a cell?

Yes, you can set background colors for cells by specifying red, green, and blue values (from 0.0 to 1.0).

Details

Original description by the author

Excel Automation: create workbooks, manage worksheets, read/write cell data, and format spreadsheets via Microsoft Excel and Google Sheets integration

repo: ComposioHQ/awesome-claude-skills

Popularity

GitHub stars
77k
Ranking position
#1137
License
—
Updated
9/18/2026

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