How to integrate Google Sheets MCP with Grok Build

Connect Grok Build to Google Sheets MCP. Add a new sheet named 'q3 sales', update all rows where status is 'pending', and more from your terminal, with authentication handled for you.

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Google Sheets is a cloud-based spreadsheet tool for real-time collaboration and data analysis. It lets teams work together from anywhere, updating information instantly.

42 Tools16 Triggers

How to integrate Google Sheets MCP with Grok Build

Grok Build is xAI's terminal coding agent. It runs on Grok 4.5, plans its work before it acts, and can run multiple sub-agents in parallel. It also reads Claude Code's MCP configuration, so any server you already have in a .mcp.json is picked up with no changes.

In this guide, I will show you how to connect your Google Sheets account to Grok Build through Composio, so it can add a new sheet named 'Q3 Sales', update all rows where status is 'Pending', create a pie chart of expenses by category, and more without leaving the terminal. Composio holds the OAuth tokens for you, and Grok Build only calls the tools you approve.

Also integrate Google Sheets with

Why use Composio over a standalone MCP server?

  • Read and write access. Composio's Google Sheets integration lets Grok Build take real actions like creating drafts, sending updates, and labeling records, not just reading data.
  • 1,000+ SaaS toolkits out of the box. One endpoint gives you a full catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Wire up a single Composio server instead of maintaining a separate MCP entry for each app.
  • Smart, context-aware tool loading. Grok Build caps how many tools it holds in a single request. Composio loads only the tools a task needs, so you do not spend that budget on tools you are not using.
  • Cross-app automation. Chain actions across apps in one run. Pull a thread, summarize it in Notion, and post the highlights to Slack from a single prompt.

Prerequisites

  • Grok Build installed and signed in. Install with curl -fsSL https://x.ai/cli/install.sh | bash on macOS or Linux, or irm https://x.ai/cli/install.ps1 | iex on Windows PowerShell. On first launch Grok opens a browser to authenticate; for headless or CI use, set an XAI_API_KEY environment variable instead (create the key at console.x.ai).
  • Access to the Google Sheets account you want to connect.
  • The Composio MCP endpoint. Composio's server is remote and hosted, so there is nothing to run locally and no tunnel to set up.

Step-by-step: Connect Google Sheets to Grok Build

1. Install and verify Grok Build

Install the CLI, then restart your shell so the grok binary lands on your PATH:

bash
curl -fsSL https://x.ai/cli/install.sh | bash
which grok

On Windows, install with PowerShell instead: irm https://x.ai/cli/install.ps1 | iex. If which grok returns a path, you are set. Grok Build runs on Grok 4.5 by default; you can switch models inside the session with /model <name>.

2. Add the Composio server

Add Composio as a remote HTTP MCP server with the grok mcp add command:

bash
grok mcp add --transport http composio https://connect.composio.dev/mcp

You can also add and manage servers from inside a session. Run /mcps to open the extensions modal on the MCP tab, then add a new server and paste the Composio URL. Added this way, Grok auto-detects the name from the URL and lists the server as connect:

bash
https://connect.composio.dev/mcp
Grok Build /mcps extensions modal listing MCP servers Grok Build adding the Composio MCP server with its URL

Grok also reads Claude Code-style config, so an entry in ~/.grok/config.toml or a project .mcp.json works the same way.

3. Authenticate

Composio uses OAuth. In the /mcps modal, select the Composio server and press i to authenticate (Grok also triggers this browser flow automatically the first time it uses a Composio tool). Click Allow to authorize access. Grok stores the tokens under ~/.grok/mcp_credentials.json, and /mcps shows Composio as connected.

Grok Build prompting to authenticate the Composio MCP server Composio authorization screen with the Allow button for Grok Build

4. Start building

Ask Grok to work with your Google Sheets account through Composio. On the first Google Sheets action, Composio prompts you to connect the account through OAuth. Approve the scopes once, and Composio handles token refresh from there.

What you can do after connecting Google Sheets

  • Add a new sheet named 'Q3 Sales'
  • Update all rows where status is 'Pending'
  • Create a pie chart of expenses by category
  • Clear values in the 'Drafts' worksheet

Security + privacy notes (important)

  • Use least-privilege access. Grant only the Google Sheets scopes you actually need.
  • Review OAuth scopes before approving. Check that the requested scopes match what you expect Composio and Grok Build to do.
  • Keep write actions human-reviewed. Grok Build proposes a plan before it acts. Leave that approval step on for actions like sending messages or editing records.
  • Keep secrets out of version control. Your XAI_API_KEY and any tokens should never be committed. Use environment variables or a secrets manager.
TOOLS & TRIGGERS

Supported Tools and Triggers

Every Google Sheets action and event your agent gets out of the box.

Add Sheet to Existing Spreadsheet

Adds a new sheet to a spreadsheet.

Aggregate Column Data

Searches for rows where a specific column matches a value and performs mathematical operations on data from another column.

Append Dimension

Tool to append new rows or columns to a sheet, increasing its size.

Auto-Resize Rows or Columns

Auto-fit column widths or row heights for a dimension range using batchUpdate.

Batch Clear Values By Data Filter

Clears one or more ranges of values from a spreadsheet using data filters.

Batch get spreadsheet

Retrieves data from specified cell ranges in a Google Spreadsheet.

Batch Update Values by Data Filter

Tool to update values in ranges matching data filters.

Clear Basic Filter

Tool to clear the basic filter from a sheet.

Clear spreadsheet values

Clears cell content (preserving formatting and notes) from a specified A1 notation range in a Google Spreadsheet; the range must correspond to an existing sheet and cells.

Create Chart in Google Sheets

Create a chart in a Google Sheets spreadsheet using the specified data range and chart type.

Create a Google Sheet

Creates a new Google Spreadsheet in Google Drive.

Create spreadsheet column

Creates a new column in a Google Spreadsheet.

Create spreadsheet row

Inserts a new, empty row into a specified sheet of a Google Spreadsheet at a given index, optionally inheriting formatting from the row above.

Delete Chart from Google Sheets

Delete an existing chart from a Google Sheets spreadsheet.

Delete Dimension (Rows/Columns)

Tool to delete specified rows or columns from a sheet in a Google Spreadsheet.

Delete Sheet

Tool to delete a sheet (worksheet) from a spreadsheet.

Find and Replace in Spreadsheet

Tool to find and replace text in a Google Spreadsheet.

Format cell

Applies text and background cell formatting to a specified range in a Google Sheets worksheet.

Get conditional format rules

List conditional formatting rules for each sheet (or a selected sheet) in a normalized, easy-to-edit form.

Get Data Validation Rules

Tool to extract data validation rules from a Google Sheets spreadsheet.

Get sheet names

Lists all worksheet names from a specified Google Spreadsheet (which must exist), useful for discovering sheets before further operations.

Get Spreadsheet by Data Filter

Returns the spreadsheet at the given ID, filtered by the specified data filters.

Get spreadsheet info

Retrieves metadata for a Google Spreadsheet using its ID.

Insert Dimension in Google Sheet

Tool to insert new rows or columns into a sheet at a specified location.

Look up spreadsheet row

Finds the first row in a Google Spreadsheet where a cell's entire content exactly matches the query string, searching within a specified A1 notation range or the first sheet by default.

Mutate conditional format rules

Add, update, delete, or reorder conditional format rules on a Google Sheet.

Search Developer Metadata

Tool to search for developer metadata in a spreadsheet.

Search Spreadsheets

Search for Google Spreadsheets using various filters including name, content, date ranges, and more.

Set Basic Filter

Tool to set a basic filter on a sheet in a Google Spreadsheet.

Set Data Validation Rule

Tool to set or clear data validation rules (including dropdowns) on a range in Google Sheets.

Copy Sheet to Another Spreadsheet

Tool to copy a single sheet from a spreadsheet to another spreadsheet.

Append Values to Spreadsheet

Tool to append values to a spreadsheet.

Batch Clear Spreadsheet Values

Tool to clear one or more ranges of values from a spreadsheet.

Batch Get Spreadsheet Values by Data Filter

Tool to return one or more ranges of values from a spreadsheet that match the specified data filters.

Update Chart in Google Sheets

Update the specification of an existing chart in a Google Sheets spreadsheet.

Update Dimension Properties (Hide/Unhide & Resize)

Tool to hide/unhide rows or columns and set row heights or column widths.

Update Sheet Properties

Tool to update properties of a sheet (worksheet) within a Google Spreadsheet, such as its title, index, visibility, tab color, or grid properties.

Update Spreadsheet Properties

Tool to update SPREADSHEET-LEVEL properties such as the spreadsheet's title, locale, time zone, or auto-recalculation settings.

Batch update spreadsheet values

Tool to set values in one or more ranges of a spreadsheet.

Upsert Rows (Smart Update/Insert)

Upsert rows - update existing rows by key, append new ones.

Get spreadsheet values

Returns a range of values from a spreadsheet.

Update spreadsheet values

Tool to set values in a range of a Google Spreadsheet.

FAQ

Frequently asked questions

A standalone Google Sheets MCP server gives Grok Build a fixed set of Google Sheets tools tied to that one server. The Composio Tool Router lets Grok Build load tools from Google Sheets and many other apps on demand, based on the task, all through a single endpoint.

Yes. Grok Build ships with native MCP support. Add a server with the grok mcp add command, from the in-session /mcps modal, or by editing ~/.grok/config.toml. It also reads Claude Code-style .mcp.json files, so Grok Build discovers the tools automatically.

Yes. Grok Build has zero-migration compatibility with Claude Code's configuration, so the same Composio server entry works in both without edits.

Tokens, keys, and configuration are encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant, so your Google Sheets data and credentials are handled to that standard.

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