Amp is Sourcegraph's closed-source frontier coding agent, available as a VS Code extension and CLI, with bundled model access via its model-agnostic "Dial" router—no BYOK required. It includes self-scheduling agents, shared-thread "Multiplayer" collaboration, event-driven Orbs that trigger on external HTTP events, and supports uploading various file types, live-reloading previews, and global plugins and skills.