# fx

> fx is a Vercel Labs coding-agent harness and CLI written in Zig. Official copy positions it as a tiny, open, native agent originally used internally, now open sourced for research and embedding in larger systems. The durable object is the product at fx.sh / vercel-labs/fx, not the tweet.

- Slug: fx
- Record: cmp_fx
- Kind: harness
- Functions: embed
- Score: 9
- Observed sample: This component is not in Leyline's observed sample.

JSON: https://staging.leyline.ahensya.com/api/v1/components/fx