"Free Tools for Online Searches" matching MCP connectors:
Matching Connector Tools:
Design references for coding agents: real product screens, sections and decoded design tokens.
rnv-color-mcp, a hosted color-workflow MCP server (Python, Streamable HTTP). Tools: mix (including Kubelka-Munk paint physics), convert between formats, generate harmonies, transform text case, and save/list/get named palettes. It resolves hex / CSS / custom brand color names and refuses unknown colors rather than guessing.
320K+ open-source SVG icons: 12 tools, anonymous metadata search; SVG, exports, collections via Pro.
Generate deterministic placeholder image URLs and packs for docs, staging, testing, and AI agents.
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.
x402-paid tools: text to 3D-printable STL, web search, and search+read. USDC on Base.
Semantic SVG icon search and recommendations for AI coding agents.
Anti-slop design taste for AI coding agents: art directions, section code, 0-100 page critic.
AI-agent design tools: fonts, palettes, color naming & extraction, contrast, code, SVG, CSS.
uxspot.io UX reference: glossary, AI x UX tools directory, checklists and Learn UX curriculum
Design review for UI code: 258 rules across 9 categories, scored 0-100 with concrete fixes.
Read-only catalog of the @blueprint-modular/core design system (104 components). Four tools — list/search/get components and suggest compositions. Public, no auth, Streamable HTTP.
Supericons lets AI coding agents search, recommend, and retrieve SVG icons from a semantic registry of 20,000+ free icons.
AI Hub for AEC — 50+ 3D formats, clash detection, ACC integration via Autodesk Platform Services.
Visual AI for strategic thinking — SWOT, flowcharts, mindmaps, Gantt diagrams as polished SVG.
Geometry and CAD file metadata extraction for STL, OBJ, PLY, PCD, LAS/LAZ, glTF/GLB.
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.
EN Diagram — structural verification for concurrent systems. Pure math, no AI.