Update a task

Update a task

Changes a task's name, assignee, due date, description, completion or custom fields, leaving every other field as it was.

Only the fields in the request's data block change. The MCP tool updates up to 50 tasks per call.

Set up

Use the first option your agent supports.

MCP (official, remote)

Add this server to your agent's MCP settings, then sign in when asked.

{ "mcpServers": { "asana": { "url": "https://mcp.asana.com/v2/mcp" } } }

Call the MCP tool update_tasks.

Server URL: https://mcp.asana.com/v2/mcp

API (official)

• Base URL: https://app.asana.com/api/1.0
• Endpoint: PUT /tasks/{task_gid}
• Auth: send the header Authorization: Bearer $ASANA_ACCESS_TOKEN
• Get a key: https://app.asana.com/0/my-apps
• Docs: https://developers.asana.com/reference/rest-api-reference

Before doing anything else, make one read-only call to confirm access.

Rules

• Ask the user before anything that sends messages, costs money, or changes data.
• Never print API keys.