Add UIZZE anti-ui-slop plugin (#2390)

plugins/uizze/.github/plugin/plugin.json

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+{
+  "name": "uizze",
+  "description": "Stop generic UI from shipping. Ground GitHub Copilot in 800,000+ real web and iOS screens, write a product-specific design contract, and enforce a hard finish gate.",
+  "version": "1.0.0",
+  "author": {
+    "name": "UIZZE",
+    "url": "https://uizze.com"
+  },
+  "homepage": "https://uizze.com",
+  "repository": "https://github.com/github/awesome-copilot",
+  "license": "MIT",
+  "keywords": [
+    "ui",
+    "design",
+    "frontend",
+    "ios",
+    "web",
+    "design-review",
+    "quality-gate"
+  ],
+  "skills": [
+    "./skills/anti-ui-slop/"
+  ]
+}

plugins/uizze/README.md

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+# UIZZE Plugin
+
+Stop generic UI from shipping. UIZZE gives GitHub Copilot a repeatable workflow for turning real interface evidence into a product-specific design contract, then checking the result against a hard finish gate.
+
+## Installation
+
+```bash
+copilot plugin install uizze@awesome-copilot
+```
+
+## What's Included
+
+| Skill | Description |
+|---|---|
+| `anti-ui-slop` | Selects relevant interface references, extracts reusable design decisions, writes an implementation-ready design contract, and blocks completion until specificity, interaction states, responsiveness, accessibility, and design-system integrity pass review. |
+
+## How It Works
+
+1. Inspect the target product, task, and existing design system.
+2. Search [UIZZE](https://uizze.com) for three to five relevant examples from its public catalogue of 800,000+ real web and iOS screens.
+3. Convert the evidence into a design contract before implementation.
+4. Run the finish gate and fix every blocking issue before calling the UI complete.
+
+The skill remains usable when catalogue browsing is unavailable: it can work from user-provided references or repository evidence and will state which evidence is missing.
+
+## Requirements and Scope
+
+- No account, credential, token, or external server is required.
+- No MCP server is bundled with this plugin.
+- The skill is MIT licensed and useful on its own.
+
+UIZZE maintains the public catalogue referenced by the skill.
+
+## Source
+
+This plugin is part of [Awesome Copilot](https://github.com/github/awesome-copilot).
+
+## License
+
+MIT