Setting Up Devcontainers for Claude Code

Generate complete .devcontainer/ configurations for Claude Code development environments with:

• Pre-installed Claude Code (+ optional Codex CLI built into Docker image)
• Persistent credentials and config via Docker volumes
• Marketplace mode (if marketplace.json exists): Auto-enabled plugins and skills

Quick Start

User: Set up a devcontainer for this project
Agent: I'll check for marketplace.json and generate the devcontainer configuration.

Workflow

Step 1: Detect Mode

Check for .claude-plugin/marketplace.json: