fx :Tiny, open, native coding agent.

fx is a lightweight, open-source coding agent written in Zig that prioritizes minimalism and performance with a 6.39MB binary size, instant startup times, and low memory footprint. It functions as a CLI tool optimized for research and embedding in larger systems, supporting both local and cloud inference across multiple AI models. The tool is currently in experimental status (v0.0.3) and is available as a WebAssembly demo in compatible browsers, with full installation available for desktop use.