by yusifeng
Terminal-first AI assistant for software engineering tasks (inspired by Claude Code v2.0.67)
# Add to your Claude Code skills
git clone https://github.com/yusifeng/formaxLast scanned: 5/30/2026
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}formax is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by yusifeng. Terminal-first AI assistant for software engineering tasks (inspired by Claude Code v2.0.67). It has 191 GitHub stars.
Yes. formax passed SkillsLLM's automated security scan — a dependency vulnerability audit plus prompt-injection heuristics — with no high-severity issues. You can read the full report in the Security Report section on this page.
Clone the repository with "git clone https://github.com/yusifeng/formax" and add it to your Claude Code skills directory (see the Installation section above).
formax is primarily written in TypeScript. It is open-source under yusifeng on GitHub, so you can review or fork the full source.
Yes. SkillsLLM lists many other AI Agents skills you can browse and compare side by side. Open the AI Agents category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh formax against similar tools.
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Formax is an open-source implementation of a Claude Code-style AI assistant for software engineering tasks, with both TUI and GUI workflows.
It is inspired by (but not affiliated with) Claude Code v2.0.67. Some behaviors are implemented by observation (for example, network traces) rather than upstream source code.
The project is currently in Beta and is better suited for learning, experimentation, and architecture study than stable production daily use.
npm i -g @yusifeng/formax@beta
Start in your project directory:
cd /path/to/your/project
formax
On first run, Formax will prompt for missing credentials and runtime config.
If you want to run the guided setup first:
formax setup
Default config directory: ~/.formax/
formax web
Notes for formax web:
formax web requires setup credentials first. If missing, the command exits and asks you to run formax setup in terminal.Threads header always shows an Add project button.Desktop only.formax app-server
Provides a JSON-RPC backend for GUI/IDE clients.
formax serve
Starts only the WebSocket bridge (typically for advanced debugging or split deployments).
Docs index: docs/index.md
Code navigation: CODEMAP.md
WebFetch and WebSearch currently have known stability and behavior gaps, and MCP is not supported in this version..codex/skills, docs/, and plans/ in this repo. They can feel noisy, but they are intentionally kept as traces of AI-assisted development.Formax is experimental. Always review proposed commands and file changes before approval. You are responsible for modifications made in your environment.
At this stage, the project is better suited for learning, reverse-engineering, and experimentation than for stable production workflows.
Provider support status:
Anthropic and OpenAI-compatible paths are available in setup/runtime flows. Gemini is present in config surfaces but not fully supported in runtime execution yet.
MIT (see LICENSE).