"Free Network Graph Visualization Tools (No Account Required)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
The PostNitro MCP server lets AI assistants and agents — Claude (Desktop, Code, and Cowork), Cursor, ChatGPT, and any other Model Context Protocol client — create carousels, image posts, and videos, manage brand kits, audio tracks, and connected social accounts, and schedule posts directly. Instead of writing REST API calls, you connect the server once and your AI assistant gets ready-made tools covering carousel, image, and video generation, brands, audio, social accounts, and scheduling.
Read and edit DB Planner database schemas (DBML/SQL), Mermaid diagrams and board layouts from any MCP client. 40 tools with annotations and output schemas. OAuth sign-in, with read and write as separate scopes enforced server-side.
Search thousands of free SVG cut files & clipart. Free for commercial use, no attribution.
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.
MFT/3 hole patterns (Shaper-ready SVG) and French cleat wall plans with cut lists. Free, unofficial.
31 no-AI tools: image conversion and EXIF stripping, App Store assets, colour maths. No API key.
Explore 3D worlds, build atmospheric environments, and publish them with your Portamora account.
Search 161,000+ free hand-drawn Infyicon icons in four matching styles and fetch ready-to-embed SVG markup or PNG URLs, plus CSS class lookup for the 61,000-glyph Infyicon UI webfont. Free with attribution, no API key required.
Search 161,000+ free hand-drawn icons and fetch ready-to-embed SVG or PNG from any MCP client.
AI-agent design tools: fonts, font recognition, palettes, color naming, contrast, code, SVG, CSS.
Free Web3 icons, illustrations, animated SVGs, and Lottie JSON by Yuhitsuro. Read-only.
Icons for agentic development: search & fetch 366,000+ open-source icons as SVG/PNG. No API key.
Find drawer presets and create printer-aware Gridfinity baseplate configurations.
320K+ open-source SVG icons: 12 tools, anonymous metadata search; SVG, exports, collections via Pro.
Search and fetch icons from 200,000+ icons across 100+ open-source libraries. Supports Material Design, Lucide, Heroicons, Phosphor, Tabler, Font Awesome, and more. No API key required.
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.
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.
Brand audits, visual catalogs, AI proposals & checkout for LATAM SMBs. Full funnel via MCP.
