Vercel fx New

Open-source coding agent from Vercel Labs, written in Zig and built to be scripted or embedded. A tiny native binary with JSON output for scripts and CI, Agent Client Protocol support for editors, and a JS/WebAssembly library.

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Categories
AI Coding Agents & IDEs · Agent Frameworks
Pricing
Free Open source (Apache 2.0)
Est. monthly spend
Light Free · Medium Free · Heavy Free (est.)
Open source. Rough estimates from vendors' public pricing, checked 28 Oct 2026. Not exact — always check the vendor.
Website
https://github.com/vercel-labs/fx
Added
23 Oct 2026
open sourceCLIZigACPembeddable

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