0n3
MCP servers · Google Sheets · MCP server

Connect Codex CLI to Google Sheets

One line gives Codex CLI 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 Codex CLI's access alone any time.

Get the line for Codex CLIConnect 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 Codex CLI. OpenAI's terminal agent reads 0n3 over Streamable HTTP with a token from your environment.
  3. Ask Codex CLI: whoami. Then: "Create a spreadsheet in Google Sheets".
Put the token in your environment
export ON3_TOKEN="<your 0n token>"

Add it to your shell profile so Codex finds it next time.

The line above carries a placeholder; 0n3.app/install mints a real key named for Codex CLI and fills it in.

What Codex CLI 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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