Source Code

Google Sheets Skill

Interact with Google Sheets using a service account.

Setup (One-time)

Google Cloud Console:
- Create/select a project
- Enable "Google Sheets API"
- Create a Service Account (IAM → Service Accounts → Create)
- Download JSON key
Configure credentials (one of these):
- Set env: GOOGLE_SERVICE_ACCOUNT_KEY=/path/to/key.json
- Place service-account.json or credentials.json in the skill directory
- Place in ~/.config/google-sheets/credentials.json
Share sheets with the service account email (found in JSON key as client_email)
Install dependencies:
```
cd skills/google-sheets && npm install
```

Usage

node scripts/sheets.js <command> [args]

Commands

Data Operations

Command	Args	Description
`read`	`<id> <range>`	Read cells
`write`	`<id> <range> <json>`	Write data
`append`	`<id> <range> <json>`	Append rows
`clear`	`<id> <range>`	Clear range

Formatting

Command	Args	Description
`format`	`<id> <range> <formatJson>`	Format cells
`getFormat`	`<id> <range>`	Get cell formats
`borders`	`<id> <range> [styleJson]`	Add borders
`copyFormat`	`<id> <source> <dest>`	Copy format between ranges
`merge`	`<id> <range>`	Merge cells
`unmerge`	`<id> <range>`	Unmerge cells

Layout

Command	Args	Description
`resize`	`<id> <sheet> <cols\|rows> <start> <end> <px>`	Resize columns/rows
`autoResize`	`<id> <sheet> <startCol> <endCol>`	Auto-fit columns
`freeze`	`<id> <sheet> [rows] [cols]`	Freeze rows/columns

Sheet Management

Command	Args	Description
`create`	`<title>`	Create spreadsheet
`info`	`<id>`	Get metadata
`addSheet`	`<id> <title>`	Add sheet tab
`deleteSheet`	`<id> <sheetName>`	Delete sheet tab
`renameSheet`	`<id> <oldName> <newName>`	Rename sheet tab

Examples

# Read data
node scripts/sheets.js read "SPREADSHEET_ID" "Sheet1!A1:C10"

# Write data
node scripts/sheets.js write "SPREADSHEET_ID" "Sheet1!A1:B2" '[["Name","Score"],["Alice",95]]'

# Format cells (yellow bg, bold)
node scripts/sheets.js format "SPREADSHEET_ID" "Sheet1!A1:B2" '{"backgroundColor":{"red":255,"green":255,"blue":0},"textFormat":{"bold":true}}'

# Copy format from one range to another
node scripts/sheets.js copyFormat "SPREADSHEET_ID" "Sheet1!A1:C3" "Sheet1!D1:F3"

# Add borders
node scripts/sheets.js borders "SPREADSHEET_ID" "Sheet1!A1:C3"

# Resize columns to 150px
node scripts/sheets.js resize "SPREADSHEET_ID" "Sheet1" cols A C 150

# Auto-fit column widths
node scripts/sheets.js autoResize "SPREADSHEET_ID" "Sheet1" A Z

# Freeze first row and column
node scripts/sheets.js freeze "SPREADSHEET_ID" "Sheet1" 1 1

# Add new sheet tab
node scripts/sheets.js addSheet "SPREADSHEET_ID" "NewSheet"

Format Options

{
  "backgroundColor": {"red": 255, "green": 255, "blue": 0},
  "textFormat": {
    "bold": true,
    "italic": false,
    "fontSize": 12,
    "foregroundColor": {"red": 0, "green": 0, "blue": 0}
  },
  "horizontalAlignment": "CENTER",
  "verticalAlignment": "MIDDLE",
  "wrapStrategy": "WRAP"
}

Border Style

{
  "style": "SOLID",
  "color": {"red": 0, "green": 0, "blue": 0}
}

Border styles: DOTTED, DASHED, SOLID, SOLID_MEDIUM, SOLID_THICK, DOUBLE

Finding Spreadsheet ID

From URL: https://docs.google.com/spreadsheets/d/SPREADSHEET_ID/edit

Troubleshooting

403 Forbidden: Sheet not shared with service account email
404 Not Found: Wrong spreadsheet ID or sheet name

google-sheet