GitHub Copilot - Developer Guide
Practical guide to GitHub Copilot across IDEs, GitHub.com, Copilot CLI, cloud agent, Spaces, MCP, and repository customization.
Copilot Surfaces, CLI, and Cloud Agent
How GitHub Copilot differs across IDE chat, local agent mode, Copilot CLI, GitHub.com, and the asynchronous cloud agent.
Copilot Context, Instructions, and Governance
How to make GitHub Copilot more repository-aware with custom instructions, AGENTS.md, Spaces, MCP, and governance controls.