How to integrate One drive MCP with Claude Code

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Introduction

Manage your One drive directly from Claude Code with zero worries about OAuth hassles, API-breaking issues, or reliability and security concerns.

You can do this in two different ways:

  1. Via Composio Connect - Direct and easiest approach
  2. Via Composio SDK - Programmatic approach with more control

Also integrate One drive with

Why use Composio?

  • Only one MCP URL to connect multiple apps with Claude Code with zero auth hassles.
  • Programmatic tool calling allows LLMs to write its code in a remote workbench to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Handling Large tool responses out of LLM context to minimize context rot.
  • Dynamic just-in-time access to 20,000 tools across 1000+ other Apps for cross-app workflows. It loads the tools you need, so LLMs aren't overwhelmed by tools you don't need.

Connecting One drive to Claude Code using Composio

1. Add the Composio MCP to Claude

Terminal

2. Start Claude Code

bash
claude

3. Open your MCP list

bash
/mcp

4. Select Composio and click on Authenticate

Select Composio and click Authenticate

5. This will redirect you to the Composio OAuth page. Complete the flow by authorizing Composio and you're all set.

Composio OAuth authorization page
Composio authorization complete
Ask Claude to connect to your account and authenticate via the link

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.

What is the One drive MCP server, and what's possible with it?

The One drive MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your OneDrive account. It provides structured and secure access to your cloud files and folders, so your agent can perform actions like uploading documents, sharing files, managing storage, and retrieving version histories on your behalf.

  • File and folder management: Effortlessly copy, move, or delete files and folders, keeping your OneDrive organized with just a prompt.
  • Easy sharing and collaboration: Instantly generate secure sharing links for documents or folders, making collaboration with others seamless.
  • File download and preview: Have your agent fetch files or retrieve visual thumbnails for quick previews and streamlined access.
  • Access control and permissions review: Check who can view or edit any file or folder, and manage sharing permissions without manual clicks.
  • Version tracking and quota monitoring: Retrieve version histories for files and monitor your storage quota to stay on top of changes and space usage.

Connecting One drive via Composio SDK

Composio SDK is the underlying tech that powers Rube. It's a universal gateway that does everything Rube does but with much more programmatic control. You can programmatically generate an MCP URL with the app you need (here One drive) for even more tool search precision. It's secure and reliable.

How the Composio SDK works

The Composio SDK follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Prerequisites

Before starting, make sure you have:
  • Claude Pro, Max, or API billing enabled Anthropic account
  • Composio API Key
  • A One drive account
  • Basic knowledge of Python or TypeScript

Install Claude Code

bash
# macOS, Linux, WSL
curl -fsSL https://claude.ai/install.sh | bash

# Windows PowerShell
irm https://claude.ai/install.ps1 | iex

# Windows CMD
curl -fsSL https://claude.ai/install.cmd -o install.cmd && install.cmd && del install.cmd

To install Claude Code, use one of the following methods based on your operating system:

Set up Claude Code

bash
cd your-project-folder
claude

Open a terminal, go to your project folder, and start Claude Code:

  • Claude Code will open in your terminal
  • Follow the prompts to sign in with your Anthropic account
  • Complete the authentication flow
  • Once authenticated, you can start using Claude Code
Claude Code initial setup showing sign-in prompt
Claude Code terminal after successful login

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here

Create a .env file in your project root with the following variables:

  • COMPOSIO_API_KEY authenticates with Composio (get it from Composio dashboard)
  • USER_ID identifies the user for session management (use any unique identifier)

Install Composio library

pip install composio-core python-dotenv

Install the Composio Python library to create MCP sessions.

  • composio-core provides the core Composio functionality
  • python-dotenv loads environment variables from your .env file

Generate Composio MCP URL

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["one_drive"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http one_drive-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Create a script to generate a Composio MCP URL for One drive. This URL will be used to connect Claude Code to One drive.

What's happening:
  • We import the Composio client and load environment variables
  • Create a Composio instance with your API key
  • Call create() to create a Tool Router session for One drive
  • The returned mcp.url is the MCP server URL that Claude Code will use
  • The script prints this URL so you can copy it

Run the script and copy the MCP URL

python generate_mcp_url.py

Run your Python script to generate the MCP URL.

  • The script connects to Composio and creates a Tool Router session
  • It prints the MCP URL and the exact command you need to run
  • Copy the entire claude mcp add command from the output

Add One drive MCP to Claude Code

bash
claude mcp add --transport http one_drive-composio "YOUR_MCP_URL_HERE" --headers "X-API-Key:YOUR_COMPOSIO_API_KEY"

# Then restart Claude Code
exit
claude

In your terminal, add the MCP server using the command from the previous step. The command format is:

  • claude mcp add registers a new MCP server with Claude Code
  • --transport http specifies that this is an HTTP-based MCP server
  • The server name (one_drive-composio) is how you'll reference it
  • The URL points to your Composio Tool Router session
  • --headers includes your Composio API key for authentication

After running the command, close the current Claude Code session and start a new one for the changes to take effect.

Verify the installation

bash
claude mcp list

Check that your One drive MCP server is properly configured.

  • This command lists all MCP servers registered with Claude Code
  • You should see your one_drive-composio entry in the list
  • This confirms that Claude Code can now access One drive tools

If everything is wired up, you should see your one_drive-composio entry listed:

Claude Code MCP list showing the toolkit MCP server

Authenticate One drive

The first time you try to use One drive tools, you'll be prompted to authenticate.

  • Claude Code will detect that you need to authenticate with One drive
  • It will show you an authentication link
  • Open the link in your browser (or copy/paste it)
  • Complete the One drive authorization flow
  • Return to the terminal and start using One drive through Claude Code

Once authenticated, you can ask Claude Code to perform One drive operations in natural language. For example:

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

Complete Code

Here's the complete code to get you started with One drive and Claude Code:

import os
from composio import Composio
from dotenv import load_dotenv

load_dotenv()

COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
USER_ID = os.getenv("USER_ID")

composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=USER_ID,
    toolkits=["one_drive"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url

print(f"MCP URL: {COMPOSIO_MCP_URL}")
print(f"\nUse this command to add to Claude Code:")
print(f'claude mcp add --transport http one_drive-composio "{COMPOSIO_MCP_URL}" --headers "X-API-Key:{COMPOSIO_API_KEY}"')

Conclusion

You've successfully integrated One drive with Claude Code using Composio's MCP server. Now you can interact with One drive directly from your terminal using natural language commands.

Key features of this setup:

  • Terminal-native experience without switching contexts
  • Natural language commands for One drive operations
  • Secure authentication through Composio's managed MCP
  • Tool Router for dynamic tool discovery and execution

Next steps:

  • Try asking Claude Code to perform various One drive operations
  • Add more toolkits to your Tool Router session for multi-app workflows
  • Integrate this setup into your development workflow for increased productivity

You can extend this by adding more toolkits, implementing custom workflows, or building automation scripts that leverage Claude Code's capabilities.

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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 Claude Code?

Yes, you can. Claude Code 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.

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