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Copilot CLI is GitHub’s terminal-based coding agent. It accepts instructions, edits files, runs commands, and connects to MCP servers. Defaults to Claude Sonnet 4 but can switch to other models. Usage is billed via Copilot plans.

Github Copilot CLICopilot's response to Claude Code and Codex CLI
Now when you go to https://vscode.dev, you'll be presented with a lightweight version of VS Code running fully in the browser. Open a folder on your local machine and start coding.
No install required.
No install required.

vscode.devBringing VS Code to the browser

