fx - Coding Agent
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Tiny, open, native coding agent. A minimal CLI written in Zig, optimized for research and embeddability as part of larger systems.
Features
Properties
- Lightweight
- AI-Powered
- Minimalistic
Features
- No registration required
- Ad-free
- Works Offline
- Embeddable
fx - Coding Agent News & Activities
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Recent activities
POX added fx - Coding Agent as alternative to Roo Code, OpenGravity, Open Claude and hax- POX added fx - Coding Agent
fx - Coding Agent information
Developed by
Vercel Licensing
Open Source (Apache-2.0) and Free product.Alternatives
5 alternatives listedSupported Languages
- English
AlternativeTo Category
DevelopmentGitHub repository
- 769 Stars
- 67 Forks
- 34 Open Issues
- Updated
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What is fx - Coding Agent?
fx is a coding agent harness and CLI written in Zig, optimized for research and embeddability as part of larger systems.
It focuses on minimalism and performance across the board, from system prompt design to its tools, feature set, and 7.8 MiB binary.
For end users, its CLI output style and form factor aim to be closer to a Unix shell than a heavy "IDE in the terminal" TUI.
It's open source (Apache-2.0), model-agnostic, and suitable for both local and cloud inference.