fx
fx is can now orchestrate subagents with different models & reasoning efforts.. It is ranked #67 on the Dev Radar, in AI dev tools, first seen 21 days ago and shared in 8 posts (395.5k views).
What fx says about itself
Tiny, open, native coding agent. A minimal CLI written in Zig, optimized for research and embeddability as part of larger systems.
What people said about fx on X
http://fx.sh can now orchestrate subagents with different models & reasoning efforts. e.g: Fable planning and Grok executing. Fable is a genius, Grok is a fast workhorse. ① Simple. 𝙰𝙶𝙴𝙽𝚃𝚂.𝚖𝚍 or your prompt can indicate this preference. ② Steer as you please. It’s extremely enjoyable to use. You just talk to…
— @rauchg, 7 days ago · 1.1k likes · see the post
https://fx.sh keeps getting faster and smaller libfx now takes <𝟸𝚖𝚜 to initialize cold in @nodejs / @bunjavascript, compared to pure-JS harnesses taking ~𝟺𝟶𝟶𝚖𝚜
— @rauchg, 11 days ago · 490 likes · see the post
Safari 27 supports JSPI, a magic WebAssembly capability for sync native code to suspend on an async 𝙿𝚛𝚘𝚖𝚒𝚜𝚎. On http://fx.sh, libfx uses the built-in browser 𝚏𝚎𝚝𝚌𝚑 stack to make API calls. As more code goes native, I expect WebAssembly to play a huge role in the future of the web.
— @rauchg, 3 days ago · 481 likes · see the post
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fx in numbers
- Rank on the Dev Radar: #67 of 1353
- Shared in 8 posts by 5 accounts: @rauchg, @nicoritschel, @masonwilliams, @jacobmparis
- 395.5k views on those posts
- First seen 21 days ago, last shared 3 days ago
- Pricing seen by Jev: open source
- Market: AI dev tools
FAQ
What is fx?
can now orchestrate subagents with different models & reasoning efforts. It was first shared on X 21 days ago and is ranked #67 on the Dev Radar.
Is fx free?
It is open source.
Who shared fx?
5 accounts on X, including @rauchg, @nicoritschel, @masonwilliams, in 8 posts totalling 395.5k views.
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 12.2k posts from 4.7k X accounts over the last 21 days, 1.4k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 18:06 UTC. Full method.