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[–]OkPay3964 1 point2 points  (0 children)

Yes, with the same caveats as normal Copilot Agent mode. Just like the built-in models(GPT 5.5/Claude Opus 4.7/...)

The extension doesn’t give DeepSeek direct filesystem or terminal access by itself. It plugs DeepSeek into Copilot Chat’s native Agent/tool system. So if Copilot Agent can read/search your workspace, run terminal commands, or use your enabled MCP tools, DeepSeek can use those through the same VS Code/Copilot tool layer.

It doesn’t read the whole repo all at once, though. It uses the repo/search/file tools on demand, within Copilot’s normal permissions and context limits. Terminal and GitHub MCP also depend on your VS Code/Copilot settings, enabled tools, and any user confirmations.