For software UI/UX design, the strongest fits are Figma, which provides design-file access, an MCP server and implement-design skills 2, and Uizze, which gives coding agents 800,000+ real web and iOS screens to search before designing UI 3. Other options include Mobbin, a searchable library of 621,500+ app screenshots with an MCP server 7, and 21st, a library of React and Tailwind components installable from the terminal 5.
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Figma Developer Docsfigma.comverified and signed
Figma's developer platform offers a REST API, an MCP server and implementation skills for bringing Figma designs into tools and code 2.
official:MCP server · Figma MCP Serverskill · figma-useskill · implement-designskill · figma-generate-design+292 community tools built for it
for agents: figma · figma-swiftui · figma-implement-design
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Mobbinmobbin.comverified and signed
A searchable library of 621,500+ mobile and web app screenshots for UI and UX research, with an MCP server for agents 7.
official:MCP server · Mobbin+7 community tools built for it
for agents: mobbin-search · search_screens
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21st21st.devverified and signed
A library of 12,000+ hand-crafted React and Tailwind CSS components and templates, installable with one command and generated via the 21st CLI 5.
official:MCP server · 21st.dev+1 community tools built for it
for agents: 21st-ai · 21st-ui-review · 21st-ui-explore
Sources
- 2Figma Developer Docs | Developer Docsdevelopers.figma.com · read 2026-10-29
- 3Uizze Full AI Design Pack for Coding Agentsuizze.com · read 2026-10-29
- 5React Components, Templates & Themes — 12,000+ Crafted UI | 21st21st.dev · read 2026-10-29
- 7Mobbin — UI & UX design inspiration for mobile & web appsmobbin.com · read 2026-10-29
For agents: the 10 actions behind this answer
penpot-uiux-design · penpot-uiux-design verified and signed
Comprehensive guide for creating professional UI/UX designs in Penpot using MCP tools. Use this skill when: (1) Creating new UI/UX designs for web, mobile, or desktop applications, (2) Building design systems with components and tokens, (3) Designing dashboards, forms, navigation, or landing pages,
figma · figma verified and signed
Figma design platform integration. Access design files, extract component information, read design tokens, and translate designs into code. Bridge the gap between design and development workflows.
uizze-ui · uizze-ui verified and signed
The official Uizze skill for building and improving UI/UX. Work with your project's code and assets, and use uizze.com for real app examples, design systems, licensed fonts, icons and interaction resources.
get_principles · Raven verified and signed
Get design principles relevant to a UI context. Returns usability heuristics, laws of UX, Gestalt principles, accessibility requirements, typography rules, and color theory — matched to what you're designing.
21st-ai · 21st-ai verified and signed
Generate and iterate on UI with 21st AI from the terminal via the `21st` CLI (`@21st-dev/cli`): sketch a UI from a prompt, preview the variants in the browser, edit any variant in place with a natural-language change, and pull the final code into the project. Use whenever the user wants to BUILD / S
shadcn · shadcn verified and signed
Manages shadcn components and projects — adding, searching, fixing, debugging, styling, and composing UI, including chat interfaces. Provides project context, component docs, and usage examples. Applies when working with shadcn/ui, component registries, presets, --preset codes, or any project with a
mobbin-search · mobbin-search verified and signed
Search Mobbin for real app UI screenshots and visually analyze them. Required before calling the `search_screens` MCP tool — this skill defines how to plan searches, respond, and build HTML evidence boards when the screens are the answer. Use whenever the user asks about UI/UX design patterns, wants
· Artisign website read, tools not yet checked
An open-source, local-first UX design tool for developers who build interfaces with coding agents: the agent designs through MCP, you review in the browser.
· Withgoogle website read, tools not yet checked
Stitch generates UIs for mobile and web applications, making design ideation fast and easy.
· Magic UI website read, tools not yet checked
Beautiful UI components and templates to make your landing page look stunning.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.