Amp

Amp (formerly Cody) is Sourcegraph's agentic coding tool featuring both CLI and VS Code extension. It leverages Sourcegraph's deep code intelligence for understanding large codebases. Features include 'Deep mode' for autonomous research, Oracle and Librarian sub-agents for specialized tasks, a code review agent, Painter image generation tool, and walkthrough skill for creating diagrams. Supports Claude Opus, Sonnet, and GPT-5. Free tier available with pay-as-you-go pricing at no markup.