"Semantic UI" matching MCP connectors:

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.

Semantic SVG icon search and recommendations for AI coding agents.

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

Design review for UI code: 258 rules across 9 categories, scored 0-100 with concrete fixes.

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

Supericons lets AI coding agents search, recommend, and retrieve SVG icons from a semantic registry of 20,000+ free icons.

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.

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

AI booth design, image editing, presentation assets, and authorized LEOR project storage.

STOP UI SLOP. 800,000+ real screens for Codex, Claude Code, Cursor & Copilot—plus a finish gate.

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

Generate, inspect, and manage Flowstep UI designs directly from your AI assistant.

Design your site's AI avatar in the ASMI studio; your coding agent ships it into your repo.

Design systems, UI prompts, and layout variations for AI coding tools.

Intelligent product canvas: iterate on your product's design with your coding agent, synced to code.

UI design from prompts, screenshots, and URLs for AI coding agents and theme tokens.

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