# Microsoft To Do MCP

Vendor: Microsoft To Do  
Category: other  
Auth: OAUTH2  
Composio slug: `microsoft_todo`

Microsoft To Do is a cloud-based task management application that lets users create, organize, and track task lists, tasks, checklist items, and reminders across devices via Microsoft Graph

## Verdict

The Microsoft To Do MCP lets your team create, update, and complete tasks across any To Do list without leaving Switchy. @mention it to add action items during planning sessions, check off subtasks as you work, or pull a snapshot of what's due today. Writers and PMs get the most value — they can turn meeting notes into trackable tasks in seconds, then mark them done when the work ships. The MCP exposes 22 tools covering task CRUD, checklist items, attachments, and list management. OAuth setup requires Tasks.ReadWrite scope; deletions are permanent and cascade to subtasks.

## Tools

- **Complete Task** — Mark a Microsoft To Do task as completed. Convenience wrapper that always PATCHes status='completed'; the server auto-sets completedDateTime. Use Update Task to reopen a task (status='notStarted') or to change other fields.
- **Create Checklist Item** — Add a checklist item (subtask) to a Microsoft To Do task. Only display_name is required; the created item is returned with a GUID id, displayName, isChecked, and createdDateTime.
- **Create Task** — Create a task in a Microsoft To Do task list. Only title is required. Dates are passed as flat ISO-8601 strings plus a shared timezone; the tool builds the Graph dateTimeTimeZone objects. Notes are passed as body_content (+ body_content_typ
- **Create Task List** — Create a new Microsoft To Do task list.
- **Delete Checklist Item** — Delete a checklist item (subtask) from a Microsoft To Do task. This permanently removes the checklist item (this cannot be undone).
- **Delete Task** — Delete a task from a Microsoft To Do task list. WARNING: this also permanently removes the task's checklist items and linked resources.
- **Delete Task Attachment** — Permanently delete a file attachment from a Microsoft To Do task. This cannot be undone.
- **Delete Task List** — Delete a Microsoft To Do task list. WARNING: this cascades — all tasks in the list and their checklist items are permanently deleted.
- **Download Task Attachment** — Download one file attached to a Microsoft To Do task. The file is offloaded to storage and returned as a downloadable reference rather than inline base64.
- **Get Checklist Item** — Get a single Microsoft To Do checklist item (subtask) by its id, within a task in a task list.
- **Get Current User** — Return the profile of the Microsoft account connected to this toolkit (whoami / connection verification). Useful to confirm which mailbox the To Do tasks belong to before other operations.
- **Get Task** — Get a single Microsoft To Do task by its id, within a task list. Set include_checklist_items=true to expand its checklist items inline.
- **Get Task Attachment** — Get metadata for one file attached to a Microsoft To Do task. Use Download Task Attachment to retrieve the file contents.
- **Get Task List** — Get a single Microsoft To Do task list by its id.
- **List Checklist Items** — List the checklist items (subtasks) of a To Do task. Auto-paginates so all subtasks are returned at once as {items: [...]}.
- **List Task Attachments** — List the files attached to a Microsoft To Do task. Returns attachment metadata without file contents, one page at a time, plus a next_cursor.
- **List Task Lists** — List the To Do task lists owned by the connected user. The built-in default list has wellknown_list_name='defaultList'; user-created lists have wellknown_list_name='none'. Always returns at least the default list. Select the default list by
- **List Tasks** — List the tasks in a To Do task list. Checklist items (subtasks) are NOT returned by default; set include_checklist_items=true to expand them inline. Returns one page of tasks plus a next_cursor for the next page.
- **Update Checklist Item** — Update a checklist item (subtask) of a Microsoft To Do task: rename it (display_name) and/or check/uncheck it (is_checked). Partial update: only the fields you pass are changed; at least one is required. Setting is_checked=true marks the su
- **Update Task** — Update fields of an existing Microsoft To Do task (title, notes, importance, status, due/start/reminder dates, categories). Partial update: only the fields you pass are changed; unset fields are left untouched. To mark a task done set statu
- **Update Task List** — Rename a Microsoft To Do task list (updates its displayName).
- **Upload Task Attachment** — Attach a file up to 25 MB to a Microsoft To Do task. The tool automatically uses a single request for files under 3 MB and a chunked upload session for larger files.

## Setup

1. Create or open a Switchy Project.
2. Open Integrations and connect Microsoft To Do.
3. Authorise through oauth2.
4. Teammates can now @-mention Microsoft To Do tools in chat.

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Last verified: 2026-09-03T02:00:04.194Z  
Canonical URL: https://switchy.build/directory/mcps/microsoft-todo