How to integrate One drive MCP with Antigravity

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How to integrate One drive MCP with Antigravity

Antigravity IDE is Google's agentic IDE, built on a VS Code-style editor and powered by models like Gemini 3.5 Flash, Gemini 3.1 Pro, Opus 4.6, and more. It treats the AI agent as a first-class teammate, planning, coding, and validating work through an Agent Manager dashboard with deep browser connectivity.

In this guide, I will explain the easiest and most secure way to connect your One drive account to Antigravity IDE via Composio Connect, so it can share project folder with your team, download the latest version of report.docx, check who can access budget.xlsx, and more without ever putting your account credentials at risk.

Also integrate One drive with

Why use Composio?

Composio provides:

  • Access to 1,000+ managed apps from a single MCP endpoint. This makes it convenient for agents to run cross-app workflows.
  • Programmatic tool calling. Allows LLMs to write code in a remote workbench to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Large tool response handling outside the LLM context. This minimizes context bloat from large tool responses.
  • Dynamic just-in-time access to thousands of tools across hundreds of apps. Composio loads the tools your agent needs, so LLMs are not overwhelmed by tools they do not need.

Connect One drive to Antigravity

Antigravity does not ship with one-click custom MCP install links yet, so configuration goes through the IDE's raw config file. The process takes under a minute.

1. Open the MCP Config

Go to Antigravity Settings, open the Customizations tab, then click Open MCP Config to open mcp_config.json in the editor.

Antigravity Customizations settings with Open MCP Config button

2. Get your API key

Go to the Composio Dashboard and copy your API key.

Composio Dashboard showing where to get the API key

3. Add Composio to mcp_config.json

Paste the following configuration into the file:

bash
{
  "mcpServers": {
    "remote-composio": {
      "serverUrl": "https://connect.composio.dev/mcp",
      "headers": {
        "x-consumer-api-key": "your-composio-api-key"
      }
    }
  }
}

Note: Antigravity uses serverUrl, not url, for remote HTTP-based MCP servers. This differs from the url key used in Cursor and VS Code configs.

Save the file and click refresh in the Installed MCP Servers section.

Antigravity showing Composio tools after MCP setup

Connect your One drive account

Back in the Antigravity agent panel, ask the agent to connect to One drive or give it any One drive-related task.

For example, ask it to:

  • "Share project folder with your team"
  • "Download the latest version of report.docx"
  • "Check who can access budget.xlsx"

It will prompt you to authenticate and authorize access to One drive.

That is it. Composio tools are now available in Antigravity, and your One drive account is ready to use.

Supported Tools & Triggers

Tools
Triggers
Check In Drive ItemTool to check in a checked out driveItem resource, making the version of the document available to others.
Checkout Drive ItemTool to check out a driveItem to prevent others from editing it and make your changes invisible until checked in.
Copy ItemTool to copy a DriveItem (file or folder) to a new location asynchronously.
Create Drive Item PermissionTool to create a new permission on a OneDrive drive item.
Create Sharing LinkTool to create a sharing link for a DriveItem (file or folder) by its unique ID.
Delete ItemTool to delete a DriveItem (file or folder) by its unique ID from the authenticated user's OneDrive.
Permanently Delete Drive ItemTool to permanently delete a driveItem by its ID without moving it to the recycle bin.
Delete Drive Item PermissionTool to delete a permission from a drive item.
Delete Shares PermissionTool to delete the permission navigation property for a shared drive item.
Discard CheckoutTool to discard the checkout of a driveItem, releasing it and discarding any changes made while checked out.
Download a fileDownloads a file from a user's OneDrive using its item ID, which must refer to a file and not a folder.
Download file by pathDownloads the contents of a file from OneDrive by its path.
Download item as formatTool to download the contents of a driveItem converted to a specific format (e.
Download Drive Item Version ContentTool to download the contents of a specific previous version of a drive item (file).
Follow Drive ItemTool to follow a driveItem (file or folder) in OneDrive or SharePoint.
Get DriveRetrieves the properties and relationships of a Drive resource by its unique ID.
Get DriveItem by Sharing URLTool to resolve a OneDrive/SharePoint sharing URL (or shareId) to a DriveItem with driveId and itemId.
Get Drives FollowingTool to retrieve a specific followed driveItem from a drive.
Get Group DriveTool to retrieve the document library (drive) for a Microsoft 365 group.
Get Item MetadataRetrieves the metadata of a DriveItem by its unique ID.
Get Item PermissionsRetrieves the permissions of a DriveItem by its unique ID within a specific Drive.
Get Item ThumbnailsTool to retrieve the thumbnails associated with a DriveItem.
Get Item VersionsTool to retrieve the version history of a DriveItem by its unique ID.
Get Recent ItemsGet files and folders recently accessed by the user.
Get Drive Root FolderTool to retrieve metadata for the root folder of the signed-in user's OneDrive.
Get Shared Item by ShareIdTool to access a shared DriveItem or collection of shared items using a shareId or encoded sharing URL.
Get Shared ItemsTool to retrieve items shared with the authenticated user (not items the user has shared with others).
Get SharePoint List ItemsTool to get the items (list items) within a specific SharePoint list on a site.
Get Site DetailsRetrieves metadata for a specific SharePoint site by its ID.
Get SharePoint Site Page ContentGets the content of a modern SharePoint site page.
Get Drive Special FolderTool to retrieve a special folder in OneDrive by name.
Grant Shares PermissionTool to grant users access to a link represented by a permission using an encoded sharing URL.
Invite User to Drive ItemTool to invite users or grant permissions to a specific item in a OneDrive drive.
List Drive ActivitiesTool to retrieve recent activities on the authenticated user's OneDrive.
List Drive BundlesTool to retrieve a list of bundle resources from a specified drive.
List DrivesTool to retrieve a list of Drive resources available to the authenticated user, or for a specific user, group, or site.
List Folder ChildrenList the direct children (files/folders) of a OneDrive/SharePoint folder by DriveItem ID or path.
List Drive Item ActivitiesTool to list recent activities for a specific item in a OneDrive drive.
List Root Drive ChangesTool to list changes in the root of the user's primary drive using a delta token.
List Shares PermissionTool to retrieve permission details for a shared OneDrive or SharePoint item using a share ID.
List SharePoint List Items DeltaTool to track changes to items in a SharePoint list using a delta query.
List Site ColumnsTool to list all column definitions for a SharePoint site.
List Site Drive Items DeltaTool to track changes to DriveItems in the default document library of a SharePoint site.
List Site ListsTool to list all lists under a specific SharePoint site.
List Site SubsitesTool to list all subsites of a SharePoint site.
List SubscriptionsTool to list the current subscriptions for the authenticated user or app.
Move ItemTool to move a file or folder to a new parent folder in OneDrive.
Create folderCreates a new folder in the user's OneDrive, automatically renaming on conflict, optionally within a specified parent_folder (by ID or full path from root) which, if not the root, must exist and be accessible.
Create a new text fileCreates a new plain-text file with specified content in the authenticated user's personal OneDrive, using either the folder's unique ID or its absolute path relative to the user's OneDrive root (paths are automatically resolved to IDs); note that OneDrive may rename or create a new version if the filename already exists.
Find ItemNon-recursively finds an item (file or folder) in a specified OneDrive folder; if `folder` is provided as a path, it must actually exist.
Find FolderFinds folders by name within an accessible parent folder in OneDrive, or lists all its direct child folders if no name is specified.
List OneDrive itemsRetrieves all files and folders as `driveItem` resources from the root of a specified user's OneDrive, automatically handling pagination.
Upload fileUploads a file to a specified OneDrive folder, automatically creating the destination folder if it doesn't exist, renaming on conflict, and supporting large files via chunking.
Preview Drive ItemGenerates or retrieves a short-lived, permission-bound embeddable URL for a preview of a specific item.
Restore Deleted ItemTool to restore a deleted OneDrive driveItem (file or folder) from the recycle bin.
Search ItemsSearch OneDrive for files and folders by keyword.
Delete Drive FollowingTool to unfollow a driveItem by removing it from the user's followed items collection.
Update Drive Item MetadataTool to update the metadata of a specific item (file or folder) in OneDrive.
Update Drive Item PermissionsTool to update the roles of an existing permission on a OneDrive drive item.
Update File ContentTool to create an upload session for updating an existing file's content in OneDrive.

Conclusion

You have successfully connected One drive to Antigravity using Composio Connect. Your agent can now use One drive securely without exposing credentials in prompts or local scripts.

How to build One drive MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and One drive MCP?

With a standalone One drive MCP server, the agents and LLMs can only access a fixed set of One drive tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from One drive and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Antigravity?

Yes, you can. Antigravity fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right One drive tools.

Can I manage the permissions and scopes for One drive while using Tool Router?

Yes, absolutely. You can configure which One drive scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your One drive data and credentials are handled as safely as possible.

Used by agents from

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Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
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Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai

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