Cline
VS Code extension that gives Claude and other LLMs full agentic control — file edits, terminal commands, browser automation, and MCP tool use.
Kilo Code
Open-source VS Code extension and superset of Cline + RooCode. Features Architect, Coder, and Debugger modes with a built-in MCP marketplace. Processes 25T tokens in production and ranks #1 coding agent on OpenRouter.