Open source coding agent fx released: 6MB binary with instant start
cramforce · x · 2026-08-20
fx, an open-source coding agent harness written in Zig, has been released. It focuses on minimalism with a 6.39MB binary, single-digit MB memory footprint, and 10µs cold start. It supports WebAssembly, is embeddable, and offers a shell-like CLI interface.
Related event: Vercel Labs Open-Sources fx, a Tiny Zig-Based Coding Agent(6 posts)→
More from coding & agent
- Inflight launches: a feedback layer that turns prototype comments into Claude tasks — soleio · 2026-10-16
- Apple code signing drags for hours; official advice: just wait a week — pjausovec · 2026-10-16
- Hermes: a 4B model with 8K context got worse with more test-time compute, pointing to contextual reasoning — mangahomanga · 2026-10-16
- Flux 3 Klein's Default Templates Are Broken Without Its Prompt Upscaler — StrictMove5839 · 2026-10-16
- 21-person team ships hundreds of PRs weekly with AI writing 97% of the code — rseroter · 2026-10-16
- ClosedMCP: Set Up MCP Servers Once, Share Them Across Your Whole Team — Ok_Sprinkles1301 · 2026-10-16