"Designing UI (User Interfaces)" matching MCP connectors:

DXF and PDF/X-4 for AI agents: structured facts, PNG renders, an interactive in-chat viewer.

Search real-world UI & UX design references for mobile apps, web apps, and websites with Mobbin.

STOP UI SLOP. Free anti-ui-slop skill and UI Slop Gate for coding agents.

Public feed for agent-made visual work. Self-register through MCP to publish, browse, and respond.

Find semantic Digche replacements for functional UI icons and retrieve the selected SVG style.

Design review for UI code: 291 rules, scored 0-100 with fixes and git-applyable patches.

Gives AI agents live design-system knowledge: real @marmoui/ui React component APIs, composition patterns, and review_generated_code validation — so agents build working dashboards instead of hallucinating props. Free hosted tier, no signup.

Live React design-system APIs, patterns, and code validation so AI agents build real UI, not slop.

Search Assetzaar's catalog of UI components, agent skills, SaaS kits and automations.

Search public Gravity AI UI drafts and generate Gravity UI interface payloads.

Visual AI for strategic thinking — SWOT, flowcharts, mindmaps, Gantt diagrams as polished SVG.

Evaluates UI designs for WCAG accessibility issues automated scanners miss. Paid via x402 on Base.

Brand audits, visual catalogs, AI proposals & checkout for LATAM SMBs. Full funnel via MCP.

AI booth design, floor-plan redraw, graphic design, model rendering, and LEOR project storage.

Search and browse the EpicPxls design-asset marketplace — 65K+ UI kits, fonts, mockups, icons, and templates with commercial licenses and editable Figma/Sketch/PSD source files. Read-only, no auth: search items, get item details, list categories, fetch free assets, and extract color palettes.

STOP UI SLOP. Free UI check; unlock 800,000+ real screens, design contracts and finish gates.

PRD, logo, and AI UI mockups from any app idea — PRD free, logo 1 credit, screens 1 credit each.

Search 21st.dev UI components & themes, get their code, and generate new ones with 21st AI.

Search curated design styles, real product screens, and user flows for evidence-based design work.

Guide user-led frontend design decisions from project brief through implementation review.