Can I create a to-do and assign it to a team member directly via the AI agent?

Yes! Use the `create_todo` tool with the to-do list ID, content, and the assignee person IDs. You can also set a due date. The to-do will be created and assigned instantly in Basecamp.

How do I find the to-do list ID I need to create tasks in?

First, use `get_project` to retrieve the project details — the dock will contain the `todoset` ID. Then use the Basecamp UI or the to-do set to find your specific to-do list IDs within that project.

Can I mark a to-do as completed and later reopen it if needed?

Absolutely. Use the `complete_todo` tool to mark a to-do as done, and `uncomplete_todo` to reopen it. This only affects the completion status — the to-do remains active and visible in the project.

Basecamp MCP Connector for Claude

A+

Keep your team aligned with project discussions, to-do lists, file sharing, and schedules all in one calm workspace.

17 tools Official Updated Jun 28, 2026 Official Vinkius Partner

More Details Connect to Claude

Connect your Basecamp account to any AI agent and take full control of your project management, team collaboration, and task tracking through natural conversation.

What you can do

Project Management — Create, list, update, and inspect projects with full dock metadata (message boards, to-do sets, schedules).
To-Do CRUD — Create, update, complete, and uncomplete to-do items across any to-do list, with assignees and due dates.
Team Visibility — List all people in your account or within a specific project to find assignee IDs and check roles.
Message Boards — Read messages posted on project boards to stay aligned with team decisions and announcements.
Comments — Add comments to any recording (to-do, message, document) to provide feedback or status updates.
Profile Verification — Retrieve your authenticated profile to confirm connectivity and check access permissions.

How it works

Subscribe to this server
Enter your Basecamp OAuth access token and account ID
Start managing your projects from Claude, Cursor, or any MCP client

Who is this for?

Project Managers — create tasks, assign team members, and track completion status through simple AI commands.
Team Leads — monitor project boards, review messages, and add comments without switching context.
Remote Teams — stay synchronized by querying project states and to-do progress directly from the workspace.

task-trackingteam-communicationfile-sharingproject-schedulingto-do-listsmessage-boards

17 tools expose this connector's capabilities to your AI agent.

complete_todo

This is separate from archiving or trashing — a completed to-do remains active but is marked as done. Use uncomplete_todo to reverse this action. Mark a to-do item as completed

create_comment

). The recording_id is the unique numeric ID of the item you want to comment on. The content must be provided as rich text (HTML). All subscribers to the recording will be notified of the new comment. Add a comment to any Basecamp recording

create_project

The project will be initialized with default tools (message board, to-do set, schedule, etc.) enabled via its dock. Returns the newly created project with its numeric ID and dock tool IDs. Create a new project in Basecamp

create_todo

Requires the todolist_id and the content (title) of the to-do. Optionally include a rich text description, assignee IDs (array of person IDs), and a due date in YYYY-MM-DD format. The to-do will be created as pending (not completed). Create a new to-do item in a to-do list

get_message

Get full details of a specific message

get_my_profile

Use this to verify connectivity or identify the current operator. Get the authenticated Basecamp user profile

get_person

Use this to look up details about a team member or assignee. Get full details of a specific person

get_project

). The dock contains the IDs you need to access tools like the to-do set or message board. Get full details of a specific project

get_todo

Get full details of a specific to-do item

list_messages

Each message includes title, content preview, author, category, and creation date. You need the message_board_id which can be found via the project dock. List all messages on a project message board

list_people

Useful for finding assignee IDs before creating or updating to-dos. List all people in the Basecamp account

list_project_people

Returns names, emails, and roles. Useful for checking team composition before assigning tasks. List all people assigned to a specific project

list_projects

Optionally filter by status: "active" (default), "archived", or "trashed". Each project includes its name, description, purpose, dock (enabled tools), and bookmark status. List all projects in Basecamp

list_todos

By default returns only pending (not completed) items. Set completed to true to see completed items instead. Each to-do includes its content, assignees, due date, completion status, and comments count. You need the todolist_id which can be found via the project dock. List all to-dos in a specific to-do list

uncomplete_todo

Use this when a previously completed task needs to be reopened or reworked. Mark a completed to-do item as pending again

update_project

At least one of name or description must be provided. Returns the updated project details including the full dock listing. Update an existing project in Basecamp

update_todo

At least one field must be provided. Does not affect completion status — use the complete_todo or uncomplete_todo tools for that. Update an existing to-do item in Basecamp