CLI Tool
Software run from a terminal: Claude Code CLI, Aider, Gemini CLI, GitHub CLI, Codex CLI.
- Integrates with shell, CI, SSH, cron - any editor.
- Modern coding agents ship CLI first for portability.
- Headless mode plugs AI into release pipelines.
When to use: For scripted, unattended, or CI-driven AI runs.
Example: `claude --print "Review this PR against CLAUDE.md and post comments"` - runs once, returns, exits.