Headless CLI Agents

Build agentic systems using Claude Code CLI or the Claude Agent SDK.

CLI Headless Mode

Use -p flag for non-interactive execution:

# Basic query
claude -p "Explain this code"

# With JSON output for parsing
claude -p "Create a REST API" --output-format json

# Streaming JSON for real-time output
claude -p "Build a CLI app" --output-format stream-json