Microsoft Todo Server

MCP server for Microsoft To Do — manage task lists, tasks, and checklist items via the Microsoft Graph API.

Features

• 13 MCP tools for full CRUD on task lists, tasks, and checklist items
• Zero-config authentication — uses a well-known Microsoft client ID, no app registration needed
• Interactive browser login — opens your browser on first run, then caches credentials
• Launch with uvx — no installation required

Quick Start

Claude Desktop / Copilot / any MCP client

Add to your MCP client configuration:

{
  "mcpServers": {
    "microsoft-todo": {
      "command": "uvx",
      "args": ["microsoft-todo-mcp-server"]
    }
  }
}

On first launch, your browser will open for Microsoft sign-in. After that, credentials are cached and sign-in is automatic.

Optional: Specify a tenant

If your organization requires a specific Azure AD tenant (e.g., due to conditional access policies), set the AZURE_TENANT_ID environment variable:

{
  "mcpServers": {
    "microsoft-todo": {
      "command": "uvx",
      "args": ["microsoft-todo-mcp-server"],
      "env": {
        "AZURE_TENANT_ID": "your-tenant-id"
      }
    }
  }
}

By default, the server uses the common tenant which works with any Microsoft account (personal or work/school).

Available Tools

Task Lists

Tool	Description
list_task_lists	List all task lists
create_task_list	Create a new task list
update_task_list	Rename a task list
delete_task_list	Delete a task list

Tasks

Tool	Description
list_tasks	List tasks in a list (optional status filter)
create_task	Create a task with title, body, due date, importance
update_task	Update any task fields
complete_task	Mark a task as completed
delete_task	Delete a task

Checklist Items (Subtasks)

Tool	Description
list_checklist_items	List subtasks of a task
create_checklist_item	Add a subtask
update_checklist_item	Update or check/uncheck a subtask
delete_checklist_item	Delete a subtask

Authentication

This server uses Microsoft's well-known "Graph Command Line Tools" client ID for authentication. No Azure AD app registration is required.

On first run:

1. Your browser opens to Microsoft's login page
2. Sign in with your Microsoft account (personal or work/school)
3. Consent to the requested permissions (Tasks.ReadWrite, User.Read)
4. Credentials are cached locally for future use

Token cache is stored in your platform's config directory (e.g., ~/.config/microsoft-todo-mcp-server/ on Linux).

Development

# Clone the repository
git clone https://github.com/vexxhost/microsoft-todo-mcp-server.git
cd microsoft-todo-mcp-server

# Install dependencies
uv sync

# Run the server locally
uv run microsoft-todo-mcp-server

# Lint
uv run ruff check src/

License

Apache-2.0