---
ref: tool:asana/update-task
name: Update a task
company: company:asana
workflows: []
access: [mcp, api]
tags: [capability:manage-tasks, category:project-management, has:api, has:mcp]
docs: https://developers.asana.com/reference/updatetask
updated: 2026-09-27
---

# 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.

```json
{ "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.