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Updated 6mo ago

by gbasin

dejank

Detect and diagnose visual jank in React UIs — static analysis of 18 anti-patterns + runtime investigation workflows (Playwright, React DevTools, Chrome Performance, web-vitals). Agent skill for Claude Code, Codex, Cursor, and others.

  • Multi-agent — Targets three or more agents
Works with
  • Claude
  • Codex
  • Cursor
View on GitHub (opens in a new tab)

30 GitHub stars (30)

Steady at 30 stars — no new stars in the 16 days since Sep 30.

  • 1 skill (1 skills found in its SKILL.md files)
  • 0 forks (0 forks)
  • 6mo ago last update (Last updated 6mo ago)

Install

Skills CLI

npx skills add gbasin/dejank

Asks which agents to install it for. Add -g to install it for every project.

Claude Code

git clone https://github.com/gbasin/dejankcp -r "dejank" ~/.claude/skills/dejank

Copies the dejank skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project).

Plugin

/plugin marketplace add gbasin/dejank

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • dejank

    Detect and diagnose visual jank in React UIs. Covers two modes -- static analysis of code patterns that cause flicker, layout shift, and flash of intermediate state (for pre-merge review or preventive sweeps), and runtime investigation of specific visual symptoms (flicker, blink, jump, stutter, remount churn, scroll reset, post-paint correction). Use when the user mentions jank, something feeling…

    SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.