"Free Network Graph Visualization Tools (No Account Required)" matching MCP servers:

Enables Claude to connect to Figma without a paid plan, offering auto-connect and 100+ tools for document manipulation, design system sync, and code-to-Figma conversion.

Search and pull 620+ React and Tailwind sections into your project over MCP.

Enables color conversion between HEX/RGB/HSL/HSV/CMYK, palette generation, WCAG contrast checking, color mixing/adjustment, and CSS gradient creation for AI agents.

Provides AI assistants with frontend development tools including component scaffolding, bundle analysis, accessibility checks, and responsive design guidance. Enables automated generation of React components with tests and stories, bundle optimization recommendations, and WCAG compliance fixes.

Enables rigging, animation, and VFX workflows for Roblox through an MCP-compatible chat client, connecting Blender and Roblox Studio for tasks like skeleton fitting, keyframe editing, particle effects, and FBX export.

A comprehensive MCP server for Vue component development and Figma design restoration, featuring snapDOM-powered screenshots, pixel-perfect visual comparison, and automated SVG optimization.

Enables conversion of Figma designs into frontend code (React, Vue, HTML, etc.) with high fidelity, including design tokens, assets, and responsive layout. Integrates with AI editors via MCP for a seamless design-to-code workflow.

Enables agents to search a fully local catalog of 21st-style shadcn components via full-text search, inspect individual records, generate reusable build prompts, retrieve install steps, and fetch design tokens for aesthetic keywords. Runs entirely offline over stdio with no API keys, paywalls, or rate limits.

Aggregates GitHub, GitLab, and Figma development tools via MCP, enabling file access, code search, and design inspection. Also supports executing standalone tasks with Claude Code or Codex CLI.

Enables AI assistants to create and edit pixel art and animated sprites in Aseprite through 104 tools covering drawing, layers, animation, palettes, tilemaps, exports, visual analysis, and raw Lua scripting.

Enables AI assistants to control Aseprite for creating pixel art and animated sprites, with 104 tools covering canvas, drawing, animation, palettes, effects, and more.

Connects an AI agent to Adobe Photoshop through COM/ExtendScript so it can build and correct designs —layers, typography, vector shapes, layer effects, blend modes, masks, adjustments and filters— while previewing its own output, inspecting a document's resources, and learning a reusable style from the user's finished PSDs.

A Python MCP server that gives AI assistants full control over Aseprite for creating pixel art and animated sprites. It provides 104 tools across 17 categories for canvas, drawing, layers, animation, palettes, effects, and more.

Enables Claude Code and Claude Desktop to control Adobe Photoshop on Windows through high-level, tested tools for non-destructive object cutouts, dismissing hint popups that block scripting, and related automation.

Enables locally rendering and editing Excalidraw diagrams without a Plus API key, with native PNG previews, automatic graph layout, layout/typography diagnostics, and PNG, SVG and editable .excalidraw exports. Also supports browsing and placing reusable sketch libraries through MCP tools.

Provides AI-powered tools for UX/UI review, web component generation, and code refactoring using Google Gemini.

Enables AI agents to diagnose, modify, and validate OTF/TTF fonts interactively through a set of read-only, write, and validation tools.

Zero-dependency Python MCP server for coding agents (Antigravity, Claude Code, Cursor, Windsurf). Unfreezes 915+ skills on-demand, injects 74 brand design tokens (Linear, Stripe, Apple), and validates WCAG contrast.

Enables searching, indexing, linking, and downloading 2000+ open-source fonts from fontsource.org, with support for font subsets, weights, styles, variable fonts, and CSS integration.

Enables designing labels for NIIMBOT thermal printers and previewing exactly what the printhead will burn, since each design is rendered offline with NiimBlue's own code in headless Chrome and returned as a 1-bit PNG with layout warnings. It also returns an open-in-app link so the label can be reviewed and printed from NiimBlue, without the server ever touching a printer.

It lets agents discover enabled TFMSTYLE Blender addons and their actions/settings, then apply validated settings or run safe addon actions inside a running Blender.

Enables users to automate the creation, editing, animation, and export of pixel-art game assets through a multi-agent pipeline that derives style specs and blueprints, generates Lua build scripts, and drives the canvas editor to produce .aseprite files, spritesheets, atlases, GIFs, and previews.

Enables developers to extract and organize Figma design files, including complete node data (tree structure and images) for AI understanding and code generation.

Exposes roughly 135 After Effects tools so Claude Code, Codex, or any other MCP client can read a project and directly modify it — creating layers, keyframes, effects, expressions, and text, and managing the render queue — through a running AE panel.

Enables agents to extract, inspect, search, and bundle design context from local Figma .fig files entirely offline, exposing frame summaries, node context, style tokens, assets, vector SVGs, and visual-match review via MCP.

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.

MCP server for Uiverse.io that lets AI agents browse, search, and fetch open-source UI components (HTML + CSS) directly in their editor. No API key required, it indexes 3,800+ components locally.

Exposes tools to ingest FigJam boards, retrieve context summaries, and answer free-form questions about the board content.

Open-source dotted maps and animated 3D globes. Pick one of 21 looks for a country or the world, build share links, open and edit a pasted link, and get embed code. Hosted at https://globestudio.app/mcp or run with npx @globestudio/mcp. Free, MIT, no API key.

WCAG contrast checks, color palettes & 500+ free UI tools for your AI agent

Every other colour API tells you what goes together. Colour Memory tells you what it means, where the evidence ends, and what it must not claim. 47,515 hand-researched records, graded A–E, every result cited. 91 specialist tools built for agents that need precision, not guesses. Direct MCP: https://api.colourmemory.com/mcp — no signup, no key for the free tools (10 calls).

Bundles free open-source kits for making things into a single server that runs locally with no account or API key, letting an agent generate brand kits, font kits, website screenshots and demo videos, and launch films with music and stills. Each tool saves its output files and notes into a folder the agent can pick up.

Deterministic HVAC duct sizing for agents: size one run or a whole supply, return, exhaust, or outside-air network from terminal CFM, and grade existing round, rect, or oval ducts. Local stdio, no CAD host or API key needed.

Enables AI assistants to turn a furniture description into a parametric design, cut list, plywood sheet nesting, lumber cutting plan and dimensioned builder drawings, with no CAD required. When CadQuery or a licensed Autodesk Fusion is available, it also builds exact STEP/STL models and verifies them against the kernel.

Enables agents to run the goldenratio.app design math offline: the Golden Calculator's spacer combinations, the golden spacing scale, golden grid widths and example rows, the site's CSS variables, and Tailwind plugin setup values. All tools are read-only, need no account or secrets, and return output verified against the live site.

Generate 25+ types of hand-drawn Excalidraw diagrams - flowcharts, sequence, architecture, mind maps, ER, UML, kanban, bar/line/radar charts - from structured input with Sugiyama auto-layout and CJK support. Reads and modifies .excalidraw files, exports SVG. Python, local, no API keys required.

Figma MCP server with full read/write access via plugin bridge — no API token, no rate limits. 58 tools for design automation: styles, variables, components, prototypes, and content.

13 MCP tools that plan and mechanically validate color systems for front-end work: OKLCH role derivation, WCAG + APCA contrast gates, color-blind simulation, AI-slop detection, 10-scene visualization and one-verdict reporting over a 117-palette evidence library.

Enables any MCP client to search, read, and install free Aura components, agent skills, images/clips, and DESIGN.md systems straight from the public catalogue over stdio, with no account, OAuth, or API key needed. It also returns install plans, token starters, starter kits, and trending/category data so agents can assemble landing pages and UI sections in a few calls.

A Houdini MCP server fork for CsrLib-Houdini workflow, providing enhanced tools for scene management, node discovery, graph editing, and safe code execution with tiered security policies.