# uzysjung > Open-source developer tooling by uzysjung. Flagship project: uzys-agent-harness — an installer and curator that sets up vetted AI-coding skills, plugins, rules, and hooks across four CLIs (Claude Code first-class, plus Codex, OpenCode, and Antigravity), so a developer and their AI share one harness vocabulary and ship correct work in fewer round-trips. This file is the agent-readable index for this domain; project-level detail lives in the linked project llms.txt. ## uzys-agent-harness - [Project llms.txt](https://uzysjung.github.io/uzys-agent-harness/llms.txt): Agent-readable index for uzys-agent-harness — what it installs, which CLIs it supports, and how to run it. - [Landing page](https://uzysjung.github.io/uzys-agent-harness/): Overview, value proposition, and the one-line install command. - [GitHub repository](https://github.com/uzysjung/uzys-agent-harness): Source code, issues, releases, and changelog. - [npm package](https://www.npmjs.com/package/@uzysjung/agent-harness): Install via `npx @uzysjung/agent-harness`. ## Optional - [Sitemap](https://uzysjung.github.io/sitemap.xml): Indexed pages on this domain.