Herramientas

A complete development methodology for coding agents: brainstorm to clarify requirements, write an implementation plan, then build with subagents, with red-green TDD, systematic debugging and code review throughout. In the official Claude Code and Codex marketplaces.

Has the agent settle on a clear aesthetic direction first, then write distinctive, production-ready frontend interfaces that avoid the generic AI look. Official Anthropic plugin.

UI/UX design knowledge base plugin with searchable UI styles, color palettes, font pairings, charts and guidelines for 20+ tech stacks; generates complete design system recommendations by product type. Needs Python 3 installed locally.

Frontend design quality plugin: one skill plus 24 commands (audit, critique, polish and more) and 61 built-in deterministic rules that find common design flaws in AI-generated interfaces and fix them one by one.

Accessibility review plugin with an audit command, a UI validation subagent, and WCAG 2.2 and screen reader testing skills. Before design reviews or launch, the agent checks contrast, keyboard use and screen reader support and suggests fixes. For Claude Code; automated checks need Node.js.

UI/UX design plugin from the wshobson/agents marketplace with 3 subagents, 9 skills and commands for design review, component creation and accessibility audits, covering design tokens, WCAG 2.2, responsive layout, iOS HIG and Material Design 3 for in-code UI design and review.

Google's official Firebase plugin: starts the Firebase MCP via firebase-tools to manage projects, Firestore data, Auth users and security rules, and view Crashlytics and Cloud Functions logs. Needs Node.js and a Firebase CLI login.

Connects Claude Code to SourceKit-LSP so the agent can go to definitions, find references and inspect symbols in Swift code. Install the Swift toolchain or Xcode first. Official Anthropic plugin.

Connects Claude Code to the clangd C/C++ language server for code intelligence, diagnostics and formatting. Install LLVM/clangd and add it to PATH first. Official Anthropic plugin.

Connects Upstash's hosted Context7 remote MCP to fetch current, version-specific docs and code examples for libraries on demand, reducing outdated or invented APIs. No local Node needed; works anonymously, and an API key raises limits. Maintained by Upstash.

Connects Claude Code to the C# language server csharp-ls for code intelligence and diagnostics. Needs .NET SDK 6.0+; install csharp-ls first via dotnet tool or Homebrew. Official Anthropic plugin.

Connects Claude Code to JetBrains' Kotlin language server so the agent can go to definitions, find references and inspect symbols in .kt and .kts files. Install kotlin-lsp first (Homebrew works). Official Anthropic plugin.

Connects Claude Code to the Eclipse JDT.LS language server so the agent can go to definitions, find references and inspect symbols in Java code. Needs JDK 17+ and jdtls installed first. Official Anthropic plugin.

Has the agent build single-file HTML interactive playgrounds: visual controls on one side, live preview on the other, and a prompt to copy back into Claude. Templates for design tuning, data exploration, concept maps, doc annotation, code review and architecture diagrams. By Anthropic.

Plugin for design teams: design critiques, design system audits, UX copy, accessibility checks, user research synthesis and developer handoff notes. Official from Anthropic; works best with Figma connected.

Content creation plugin by Baoyu (JimLiu): infographics, article illustrations, covers, slide decks and translation, plus Xiaohongshu image cards and publishing to WeChat Official Accounts, Weibo and X. Needs Node.js; image generation needs an OpenAI, Google or Tongyi Wanxiang API key.

Official plugin for Pascal, an open-source 3D architecture editor: lets agents create, edit and validate 3D models of rooms and floors over MCP and check furniture placement for collisions or blocked doors. Local use needs the Pascal CLI (Node.js 22.13+); hosted projects need an API key.

MiniMax's official skill plugin with dev guides for frontend, full-stack, Android, iOS, Flutter, React Native and GLSL shaders, plus PDF, PowerPoint, Excel and Word document skills and image, video and music generation. Media skills need a MiniMax API key. Still in beta.

Bundles 60+ full-stack specialist skills into one plugin: experts for 12 languages including Python, TypeScript, Go, Rust and Java, and frameworks like React, Django and Spring Boot, activated automatically by request. Also includes Jira and Confluence workflow commands (needs Atlassian MCP).

Google's official Android agent skills: 25 skills for AGP 9 upgrades, XML-to-Compose migration, Navigation 3, R8 analysis, Play Billing Library upgrades, permissions and intent security, and more. Install with the Android CLI or as a Claude Code plugin.

OpenAI's official Codex plugin that starts from a brief, product shots or references to generate marketing concepts, mood boards, product scenes, ad directions and social assets, compared and iterated on a reviewable board. Works with Figma and Canva.

OpenAI's official Codex plugin marketplace (openai-curated) with 60+ plugins such as Figma, Notion, GitHub, Stripe and Vercel, each bundling skills, MCP servers and app connections into one install.

OpenAI's official Codex plugin that turns early product ideas, live pages or screenshots into interactive prototypes, proposing a few visual directions before building. Also reviews user flows, researches user pain points and checks accessibility issues.

MagicPath's official Codex plugin from OpenAI's plugin marketplace: search and install UI components from MagicPath canvases, apply team themes, and move interfaces from local code onto the canvas to keep iterating. Needs a MagicPath account and Node.js.