FuXi is a terminal AI coding agent written in Go that ships as a single static binary with no runtime dependencies. It reads code, edits files, and runs commands from a rich TUI, supporting cost-aware routing across multiple LLM providers.
The code is proprietary, so you cannot audit or modify the engine while the docs and installer are open. You need an account to start, though you can bring your own API keys to avoid managed model transmission.
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