fx
fx.sh
fx

fx

Programming
AI Coding AgentOpen-Source AI Agent
Vercel Labsfx.shfx is a minimalist open-source coding Agent command-line tool written in Zig.
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According to AlphaMoat, in the latest data month fx (fx.sh) received 0 monthly visits — ranked #0 of 17,424 AI websites with traffic data, and #0 of 1,769 in Programming.

Monthly Visits
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Overall Rank (17,424)
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Programming Rank (1,769)
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Top Market
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What is fx

Product Overview

fx is an open-source coding Agent and command-line tool written in Zig, with a binary of about 6.44 MiB, optimized for research and for embedding into larger systems, with an output style closer to a Unix shell than to an IDE in the terminal.

Key Features6 items
  • 01Install one native command to use it in a terminal, CI or an Agent sandbox
  • 02ready on startup with no background service required
  • 03supports WebAssembly, so an Agent or terminal can run in the browser
  • 04keeps scrollback history and leaves tool activity in the conversation
  • 05model- and vendor-agnostic, able to connect to local models, gateways or vendor APIs directly
  • 06libfx lets you extend your own tools and connect skills and MCP servers

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Data month: — · Visit figures are third-party traffic estimates aggregated monthly — best for scale and trends. Multiple domains of the same product are merged. See methodology.