Claude Code¶

The Claude Code provider runs Claude Code inside a sandboxed container.

Configuration¶

[agents.providers.claude-code]
enabled = true
image = "ghcr.io/shakedaskayo/ciab-claude:latest"
default_model = "claude-sonnet-4-20250514"
api_key_env = "ANTHROPIC_API_KEY"

Required Environment¶

Variable	Description
`ANTHROPIC_API_KEY`	Anthropic API key

Container Image¶

The Claude Code container image is based on node:22-slim and includes:

Node.js 22 LTS
@anthropic-ai/claude-code@latest (installed globally via npm)
Git, curl, ca-certificates, openssh-client

Agent Start Command¶

Claude Code runs in headless mode with JSON streaming output:

claude-code --headless --output-format stream-json

Models¶

Claude Code supports all Claude models. Configure via agent_config.model:

claude-sonnet-4-20250514 (default)
claude-opus-4-20250514
claude-haiku-4-5-20251001

Example¶

ciab sandbox create \
  --provider claude-code \
  --name my-project \
  --env ANTHROPIC_API_KEY=$ANTHROPIC_API_KEY \
  --git-repo https://github.com/user/repo.git

ciab agent chat --sandbox-id <id> -m "Review the auth module" --stream