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Claude Code Marketplaces

Discover Claude Code plugins, extensions, and tools. Automatically updated directory of Anthropic Claude AI marketplaces with development tools, productivity plugins, and integrations.

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Built for the Claude Code community with Claude Code by mertbuilds.com

Independent project, not affiliated with Anthropic
nexu-io avatar

Critique

nexu-io/open-design
256 installs84.7k stars
Summary

A five-dimension design review system that scores any HTML artifact (deck, landing page, prototype) on Philosophy, Visual Hierarchy, Detail, Functionality, and Innovation. Returns a single-file HTML report with a radar chart, evidence-backed scores 0-10, and three action lists: Keep, Fix, Quick-wins. Born from the huashu-design expert-critique workflow. The scoring discipline is worth reading: don't average up broken pages, cite specific classes and line numbers, and don't grade-inflate. Works as a post-generation self-check loop or as a standalone audit when someone pastes code and asks "what's wrong with this?" Most useful when you need to defend a score or identify the highest-leverage 15-minute fixes.

Install to Claude Code

npx -y skills add nexu-io/open-design --skill critique --agent claude-code

Installs into .claude/skills of the current project.

CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
inference shell
inference shell
create and run specialised agents in minutes
build now →
MCP-ready Email SendingMCP-ready Email Sending
MCP-ready Email Sending
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Capacitor - Shared memory for your team’s coding agents.
Capacitor - Shared memory for your team’s coding agents.
Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →
CodeScene MCP ServerCodeScene MCP Server
CodeScene MCP Server
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
inference shell
inference shell
create and run specialised agents in minutes
build now →
MCP-ready Email SendingMCP-ready Email Sending
MCP-ready Email Sending
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Capacitor - Shared memory for your team’s coding agents.
Capacitor - Shared memory for your team’s coding agents.
Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →
CodeScene MCP ServerCodeScene MCP Server
CodeScene MCP Server
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Files
SKILL.md

Select a file.

Featured
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
inference shell
inference shell
create and run specialised agents in minutes
build now →
MCP-ready Email SendingMCP-ready Email Sending
MCP-ready Email Sending
Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Capacitor - Shared memory for your team’s coding agents.
Capacitor - Shared memory for your team’s coding agents.
Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →
CodeScene MCP ServerCodeScene MCP Server
CodeScene MCP Server
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
Categories
Frontend DevelopmentGit & Pull RequestsCode Review & QualityDebuggingDesign & UI/UX
First SeenJun 3, 2026
View on GitHub

More from nexu-io/open-design

All 217 skills →
  • Docs Page255
  • Invoice253
  • Motion Frames253
  • Email Marketing252
  • Pricing Page251
  • Blog Post250
  • Tweaks250
  • Digital Eguide247
  • Simple Deck246
  • Sprite Animation246
  • Finance Report244
  • Magazine Web Ppt244
  • Kanban Board242
  • Dating Web241
  • Gamified App241
  • Pm Spec241
  • Hr Onboarding240
  • Weekly Update240
  • Meeting Notes239
  • Eng Runbook237
  • Team Okrs236
  • Image Poster228
  • Hyperframes220
  • Replit Deck216

Recommended

More Frontend Development →
mitsuhiko avatar
summarize

mitsuhiko/agent-stuff

Fetch a URL or convert a local file (PDF/DOCX/HTML/etc.) into Markdown using `uvx markitdown`, optionally it can summarize
255
2.8k
ulpi-io avatar
browse

ulpi-io/skills

Drive a REAL browser and native apps the way a user would — not fetch raw HTML — through the persistent `browse` CLI: one long-lived headless Chromium (plus iOS, Android, and macOS apps via accessibility APIs) where goto, snapshot, click, fill, JavaScript, and screenshot share session state at ~100ms/command and interaction rides stable @eN refs, not brittle selectors. Use when verifying, navigating, or automating live web or app behavior beyond what code-reading or a raw fetch reveals.
255
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hoodini avatar
ux-design-systems

hoodini/ai-agents-skills

Build consistent design systems with tokens, components, and theming. Use when creating component libraries, implementing design tokens, building theme systems, or ensuring design consistency. Triggers on design system, design tokens, component library, theming, dark mode.
254
262
nexu-io avatar
motion-frames

nexu-io/open-design

A single-frame motion-design composition with looping CSS animations — rotating type ring, animated globe, ticking timer, parallax labels. Renders as a hero video poster you can hand straight to HyperFrames or any keyframe-based exporter. Use when the brief asks for "motion design", "animated hero", "loop", "video poster", "title card", or pairs Open Claude Design with HyperFrames for a kinetic export.
253
84.7k
bobmatnyc avatar
validated-handler

bobmatnyc/claude-mpm-skills

Type-safe API route handler with automatic Zod validation for Next.js App Router...
252
68
dfinity avatar
internet-identity

dfinity/icskills

Integrate Internet Identity authentication. Covers passkey and OpenID sign-in flows, delegation handling, and principal-per-app isolation. Use when adding sign-in, login, auth, passkeys, or Internet Identity to a frontend or canister. Do NOT use for wallet integration or ICRC signer flows — use wallet-integration instead.
251
28