Roo Code

Roo Code (formerly Roo Cline) is an advanced open-source autonomous coding assistant for Visual Studio Code with over 24,000 GitHub stars. Built to act as an entire virtual engineering team, Roo Code provides specialized operating modes—Code, Architect, and Ask—alongside native support for custom agent personas and Model Context Protocol (MCP) servers to build, debug, and refactor complex software projects autonomously.

Multi-Agent Modes & Architectural Highlights

• Specialized Operating Modes:
  • Code Mode: Autonomous full-stack coding agent with file system editing, linter repair, and command-line execution permissions.
  • Architect Mode: High-level system design, architectural planning, requirements gathering, and file dependency mapping.
  • Ask Mode: Read-only exploration agent for codebase question-answering and onboarding without editing files.
  • Custom Personas: Create bespoke agent modes (e.g., Security Auditor, QA Tester, Documentation Specialist) with tailored system prompts and tool access restrictions.
• Native Model Context Protocol (MCP) Hub: Seamlessly install and orchestrate MCP servers (PostgreSQL, Puppeteer, Git, SQLite, Brave Search) to give Roo direct database access, live web testing, and external API capabilities.
• Full Provider Flexibility: Connects to Anthropic Claude 3.7 / 3.5 Sonnet, OpenAI o1/o3/GPT-4o, DeepSeek-R1 / V3, AWS Bedrock, Google Gemini 2.0, OpenRouter, and local models via Ollama.
• Safety & Checkpoint Rollback: Tracks file modifications with instant diff reviews and single-click shadow Git snapshot rollbacks if an AI plan goes off course.

Frequently Asked Questions