copilot-cli-extension-builder

Build custom GitHub Copilot CLI extensions — tools, slash commands, and canvas UI surfaces. Use when the user asks to: (1) create a new Copilot CLI extension, (2) add a tool for Copilot to call, (3) add a /slash command, (4) build an interactive canvas side-panel, (5) enable the experimental extensions feature, (6) scaffold extension boilerplate, or (7) tro…

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