GitHub Copilot

GitHub Copilot is an AI pair programmer that provides autocomplete, chat, agent mode, and an asynchronous cloud coding agent integrated into GitHub.

Key Features

• Autocomplete: Real-time code suggestions as you type
• Agent mode: Real-time collaborator that iterates on code in your editor
• Coding agent: Asynchronous cloud agent that picks up issues and opens PRs
• Custom agents: Specialized agents with access to specific tools and MCP servers
• Agent skills: Instruction folders that improve performance for specialized tasks
• AGENTS.md support: Loads project instructions automatically

Agent Mode vs Coding Agent

• Agent mode: Synchronous, works in IDE, pair programming experience
• Coding agent: Asynchronous, runs in GitHub Actions, fire-and-forget tasks

Usage

# VS Code
# Install "GitHub Copilot" extension

# CLI
gh extension install github/gh-copilot
gh copilot suggest "add authentication to this app"