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Allow AI systems to read, write, and query spreadsheet data via Google Sheets.
About
Allow AI systems to read, write, and query spreadsheet data via Google Sheets.
Security Report
7.3
Moderate7.3Low RiskValid MCP server (2 strong, 2 medium validity signals). 4 known CVEs in dependencies (0 critical, 2 high severity) Package registry verified. Imported from the Official MCP Registry.
12 files analyzed · 5 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Google OAuth access token with Sheets scopes.Required
Environment variable: GOOGLE_ACCESS_TOKEN
Transport type.
Environment variable: MCP_TRANSPORT
Google OAuth client ID.
Environment variable: GOOGLE_CLIENT_ID
Google OAuth client secret.Required
Environment variable: GOOGLE_CLIENT_SECRET
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-domdomegg-google-sheets-mcp": {
"env": {
"MCP_TRANSPORT": "your-mcp-transport-here",
"GOOGLE_CLIENT_ID": "your-google-client-id-here",
"GOOGLE_ACCESS_TOKEN": "your-google-access-token-here",
"GOOGLE_CLIENT_SECRET": "your-google-client-secret-here"
},
"args": [
"-y",
"google-sheets-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
google-sheets-mcp
MCP server for Google Sheets - read, write, and query spreadsheet data.
Use Cases
Data questions: "How many open deals are in the pipeline?" or "What's our total Q3 revenue?" → reads the spreadsheet and answers directly.
Quick expense entry: Snap a photo of a receipt → extracts the details and appends a row to your expense tracker.
Cross-tool status sync: "Check all our vendor Slack channels and update the tracking spreadsheet with their latest updates" → reads Slack, updates the sheet.
Data analysis: "Break down the Salesforce figures by region and compare against our events calendar" → pulls data from multiple sources into a spreadsheet for analysis.
(These are just examples - any workflow that needs spreadsheet data can use this. Use in combination with google-drive-mcp for finding files, deleting, comments, and sharing permissions.)
Setup
1. Create Google OAuth credentials
- Go to Google Cloud Console
- Create a new project (or use existing)
- Enable the Google Sheets API
- Go to APIs & Services → OAuth consent screen, set up consent screen
- Go to APIs & Services → Credentials → Create Credentials → OAuth client ID
- Choose Web application
- Add
http://localhost:3000/callbackto Authorized redirect URIs - Note your Client ID and Client Secret
2. Run the server
GOOGLE_CLIENT_ID='your-client-id' \
GOOGLE_CLIENT_SECRET='your-client-secret' \
MCP_TRANSPORT=http \
npm start
The server runs on http://localhost:3000 by default. Change with PORT=3001.
3. Add to your MCP client
claude mcp add --transport http google-sheets-mcp http://localhost:3000/mcp
Architecture
This server acts as an OAuth proxy to Google:
graph LR
A[MCP client] <--> B[google-sheets-mcp] <--> C[Google OAuth/API]
- Server advertises itself as an OAuth authorization server via
/.well-known/oauth-authorization-server /registerreturns the Google OAuth client credentials/authorizeredirects to Google, encoding the client's callback URL in state/callbackreceives the code from Google and forwards to the client's callback/tokenproxies token requests to Google, injecting client credentials/mcphandles MCP requests, using the bearer token to call Google Sheets API
The server holds no tokens or state - it just proxies OAuth to Google.
Tools
| Tool | Description |
|---|---|
| Spreadsheet | |
sheets_spreadsheet_get | Get spreadsheet metadata (title, sheets list, optionally cell data) |
sheets_spreadsheet_create | Create a new spreadsheet |
| Values | |
sheets_values_get | Read cell values from a range |
sheets_values_batch_get | Read cell values from multiple ranges |
sheets_values_update | Write cell values to a range (overwrites) |
sheets_values_batch_update | Write cell values to multiple ranges |
sheets_values_append | Append rows after existing data |
sheets_values_clear | Clear cell values from a range |
| Sheets (tabs) | |
sheets_sheets_list | List all sheets in a spreadsheet |
sheets_sheet_add | Add a new sheet (tab) |
sheets_sheet_delete | Delete a sheet (tab) |
| Advanced | |
sheets_batch_update | Execute batch operations (formatting, merging, filters, etc.) |
Google Sheets API Scope
spreadsheets- Full read/write access to spreadsheets
Contributing
Pull requests are welcomed on GitHub! To get started:
- Install Git and Node.js
- Clone the repository
- Install dependencies with
npm install - Run
npm run testto run tests - Build with
npm run build
Releases
Versions follow the semantic versioning spec.
To release:
- Use
npm version <major | minor | patch>to bump the version - Run
git push --follow-tagsto push with tags - Wait for GitHub Actions to publish to the NPM registry.
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