> ## Documentation Index
> Fetch the complete documentation index at: https://getcomposer.dev/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Composer is a focused desktop workspace for handing coding agent work between Claude and Codex.

Composer lets you work with Claude and Codex in one continuous project thread. Start a task with one agent, switch to the other when the work calls for it, and keep the context attached to the same real workspace.

## What Composer helps with

* Plan with one agent and review the plan with another.
* Hand off implementation work without rebuilding context in a separate terminal.
* Compare parallel first passes before choosing which thread to continue.
* Keep the working directory, branch context, and conversation state together.

## Project surfaces

Composer ships as a desktop app, a CLI, and a web landing page from this monorepo. The docs in this folder are intended to be deployed with Mintlify and served from the `/docs` path on the main website.

## Next steps

* Follow the [quickstart](/quickstart) to run Composer locally.
* Read about [agent handoffs](/concepts/handoffs) to understand the core workflow.
* Review the [desktop app reference](/desktop-app) for the local application surface.