Cosine for VS Code brings our AI coding agent to your editor. It writes/refactors/tests code, and executes multi-step edits. Using our CLI as the bridge, build with the full power of our agentic workflow. A disciplined teammate that works where you code.

Cosine understands your codebase better than you do. It supports 50+ coding languages, allowing developers to ask any question about their codebase, get explanations about any feature and get suggestions about how to write new code.