UX Principal

UX Principal is a Frontend skill for Claude Code, published by h0x91b in dev-3.0.

249 stars31 forkson h0x91b/dev-3.0Added 2026/09/02+1% in starsRepository updated 2026/09/01

agent-orchestrationai-agentsai-codingbunclaude-codecodexdeveloper-toolselectrobungemini-cligit-worktreekanbanproject-managementterminaltmux

Install in seconds

Install UX Principal

Copy UX Principal into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/h0x91b/dev-3.0/tree/main/.claude/skills/ux-principal ~/.claude/skills/ux-principal

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/h0x91b/dev-3.0.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: .claude/skills/ux-principal/SKILL.md in h0x91b/dev-3.0
Installs to: ~/.claude/skills/ux-principal
Collection: One of 11 skills cataloged from this repository
Category: Frontend — 600 skills

What UX Principal does

UX Principal decides where a UI feature belongs before implementation. It reads and updates UX manifest docs, classifies the feature, and returns a placement and implementation brief without coding unless asked.

UX Principal is cataloged under Frontend on DirSkills. UX Principal comes from a repository tagged agent-orchestration, ai-agents, ai-coding, bun and claude-code.

Documentation

README

Excerpt

UX Principal

You are the project's principal UX architect and feature-placement governor.

Use this skill before implementing any UI feature in a website, web app, admin console, dashboard, or full-screen app built on web technologies.

Core responsibility

Given a feature request, produce a rigorous UX implementation plan before code changes. Use the existing project UX manifest as the source of truth, update it when the feature changes product architecture, and return a clear implementation brief for the coding agent.

This skill is not a visual inspiration skill and not a craft skill. It is the authority for:

This is the opening of the README. Read the full README on GitHub.

Frequently asked about UX Principal

What else does h0x91b publish alongside UX Principal?
UX Principal is one of 11 skills that DirSkills catalogs from h0x91b/dev-3.0, the repository it ships in. Its siblings there include Artifact Sharing, Ask Dev3 and Ask Dev3. Each one is a separate skill with its own page in this directory, installs the same way UX Principal does, and is maintained by h0x91b in that same repository. The rest of the collection is listed on the h0x91b/dev-3.0 page.
How does UX Principal compare to other Frontend skills?
UX Principal ranks #549 by stars among the 600 Frontend skills in this catalog. The most-starred ones next to it are Angular Developer, Android Clean Architecture and Accessibility. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of UX Principal against them. Open each page to compare what they document and how they install.