fx: A Tiny, 6MB Open-Source Coding Agent Written in Zig
cramforce · x · 2026-08-21
fx is a minimalist, open-source coding agent harness and CLI written in Zig, featuring a tiny 6.39MB binary and 10µs cold start time. It supports model-agnostic local and cloud inference, offers a Unix shell-like experience, and is optimized for resource-constrained environments like e-ink displays, with WebAssembly support available.
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