How to connect Microsoft To Do to Composio

2 min read

Composio connects AI agents to Microsoft To Do so they can read and manage task lists and tasks. Access is limited by the permissions you approve and your account’s existing access.

This guide shows you how to set up OAuth credentials and connect Microsoft To Do to Composio.

Part 1: Create your Microsoft Entra OAuth app

Step 1: Register the app

1. Open Azure portal → App registrations → New registration. Name your app and choose the organizational accounts you want to support.

2. Select Web, enter this redirect URI and click Register.

https://backend.composio.dev/api/v1/auth-apps/add

App registration with the original Composio callback

Step 2: Copy your client ID and create a secret

1. Copy the Application (client) ID from Overview.

Application overview with private identifiers censored

2. Open Certificates & secrets → New client secret.

New client secret button

3. Enter a description, choose an expiry and click Add.

Client secret description and expiry

4. Copy and securely store the secret Value. Use the Value, not the Secret ID. Rotate it before expiry.

Secret Value and identifiers censored

Step 3: Add Microsoft Graph delegated permissions

1. Open API permissions → Add a permission.

API permissions navigation

2. Select Microsoft Graph.

Microsoft Graph API selection

3. Select Delegated permissions.

Permission reference. For updating tasks, the minimum delegated permission is Tasks.ReadWrite; read-only task access can use Tasks.Read. User.Read supports profile access and offline_access continued access. Choose for your own workflow; additional identity scopes shown are examples, not a required checklist. Microsoft permission reference.

Delegated permission type

4. Choose the delegated permissions needed for the operations your integration will use.

Tasks.ReadWrite selected

5. Choose the delegated permissions needed for the operations your integration will use. Then click Add permissions.

Configured task permission

Part 2: Connect Microsoft To Do in Composio

Step 1: Create an auth config

1. In Composio, open Auth Configs and click Create.

Create an auth configuration

2. Search for and select Microsoft To Do.

Microsoft To Do toolkit selection

3. Enter a config name and click Next.

To Do config name

Step 2: Enter your OAuth credentials

1. Choose OAuth 2.0. Enter your app’s Client id and client-secret Value. Keep the original redirect URI.

2. Under Scopes, choose permissions required by your integration and supported by your app registration. Click Create Auth Config.

To Do OAuth credential fieldsOriginal callback and selected To Do OAuth scopes

Step 3: Connect your Microsoft account

1. Open the auth config and click Connect Account.

To Do Connect Account button

2. Sign in with the Microsoft account you use for To Do. Work, school and personal accounts are supported for this delegated flow.

Microsoft account picker

3. Review the app and requested task access, then click Accept. Leave organization-wide consent unchecked unless your administrator intends tenant-wide approval.

Microsoft To Do task permission review

Step 4: Check the connection

1. Return to the auth config’s Accounts tab and confirm the connected account shows Active. Copy the Auth Config ID for your application.

Connected account showing verified Active status

Share