0n3
MCP servers · Google Sheets · connector

Connect Claude (desktop & claude.ai) to Google Sheets

One line gives Claude (desktop & claude.ai) your Google Sheets account as tools: 8 endpoints, spreadsheets, values, sheets, called with your own connection. No key in the prompt, a receipt for every call, revoke Claude (desktop & claude.ai)'s access alone any time.

Get the line for Claude (desktop & claude.ai)Connect Google Sheets first

Three steps

  1. Create a free 0n3 account and connect Google Sheets. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Claude (desktop & claude.ai). Add 0n3 as a custom connector; sign in once through the 0n door.
  3. Ask Claude (desktop & claude.ai): whoami. Then: "Create a spreadsheet in Google Sheets".
Claude desktop app and claude.ai
  1. Settings → Connectors → Add custom connector
  2. Name: 0n3 · URL: https://0n3.app/mcp
  3. Click Connect and sign in with your 0n account (email + password, or paste your 0n token)
  4. Turn the connector on in a chat and ask: "whoami"

This is the OAuth door: no token to paste, revoke it any time from 0n3 → Tokens.

The line above carries a placeholder; 0n3.app/install mints a real key named for Claude (desktop & claude.ai) and fills it in.

What Claude (desktop & claude.ai) can then do in Google Sheets

Spreadsheets · Create and get spreadsheet metadata8
Create a spreadsheetPOST /spreadsheets
Get a spreadsheetGET /spreadsheets/{spreadsheetId}
Get valuesGET /spreadsheets/{spreadsheetId}/values/{range}
Update valuesPUT /spreadsheets/{spreadsheetId}/values/{range}
Append valuesPOST /spreadsheets/{spreadsheetId}/values/{range}:append
Clear valuesPOST /spreadsheets/{spreadsheetId}/values/{range}:clear
Batch getGET /spreadsheets/{spreadsheetId}/values:batchGet
Batch updatePOST /spreadsheets/{spreadsheetId}/values:batchUpdate
Values · Read, write, and append cell values0
Read, write, and append cell values
Sheets · Add and remove sheets within a spreadsheet0
Add and remove sheets within a spreadsheet

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