Function Calling Copilot Extension — GitHub Copilot Extensions (6.7/10)

An official example extension from GitHub's copilot-extensions org. Written in Go, it shows how to expose typed function-call tools to Copilot Chat (creating issues with title/body, listing issues in a repo) and how to gate destructive operations behind confirmation dialogs. The canonical starter for any Copilot Extension that needs structured tool use.