figma-ui-mcp

Claude Code to Figma · Antigravity to Figma · Cursor to Figma · Any MCP IDE to Figma

_{✅ Tested: Claude Code, Antigravity  |  🔧 Compatible: Cursor, VS Code, Windsurf, Zed (any MCP stdio client)}

Bidirectional Figma MCP bridge — let AI assistants (Claude Code, Cursor, Windsurf, Antigravity, VS Code Copilot, or any MCP-compatible IDE) draw UI directly on Figma canvas and read existing designs back as structured data, screenshots, or code-ready tokens. No Figma API key needed — works entirely over localhost.

Requires Figma Desktop — the plugin communicates with the MCP server over localhost HTTP polling. Figma's web app does not allow localhost network access, so Figma Desktop is required.

Claude ──figma_write──▶ MCP Server ──HTTP (localhost:38451)──▶ Figma Plugin ──▶ Figma Document
Claude ◀─figma_read──── MCP Server ◀──HTTP (localhost:38451)── Figma Plugin ◀── Figma Document

How the localhost bridge works

The MCP server starts a small HTTP server bound to localhost:38451. The Figma plugin (running inside Figma Desktop) uses long polling — the server holds requests up to 8s until work arrives, flushing immediately when new ops are queued (near-realtime latency <100ms). All traffic stays on your machine — nothing is sent to any external server.

Multi-instance support (v2.3.0+): Multiple Figma files/tabs can connect simultaneously. Each plugin instance sends a sessionId, and the bridge routes operations to the correct session. Use the optional sessionId param in figma_write/figma_read to target a specific file.

Features

What's new in v2.5

Full version history: see CHANGELOG.md.

Quick Start

Step 1 — Add the MCP server to your AI client

Choose your platform:

# Project scope (default)
claude mcp add figma-ui-mcp -- npx figma-ui-mcp

# Global scope (all projects)
claude mcp add --scope user figma-ui-mcp -- npx figma-ui-mcp

{
  "mcpServers": {
    "figma": {
      "command": "npx",
      "args": ["-y", "figma-ui-mcp"]
    }
  }
}

{
  "mcpServers": {
    "figma": {
      "command": "npx",
      "args": ["-y", "figma-ui-mcp"]
    }
  }
}

{
  "mcp": {
    "servers": {
      "figma": {
        "command": "npx",
        "args": ["-y", "figma-ui-mcp"]
      }
    }
  }
}

{
  "mcpServers": {
    "figma": {
      "command": "npx",
      "args": ["-y", "figma-ui-mcp"]
    }
  }
}

{
  "mcpServers": {
    "figma": {
      "command": "npx",
      "args": ["-y", "figma-ui-mcp"]
    }
  }
}

git clone https://github.com/TranHoaiHung/figma-ui-mcp
cd figma-ui-mcp
npm install
# Then point your MCP client to: node /path/to/figma-ui-mcp/server/index.js

⚠️ IMPORTANT: After adding the MCP server, you MUST restart your IDE / AI client (quit and reopen). The MCP server only loads on startup — simply saving the config file is not enough. This applies to Claude Code, Cursor, VS Code, Windsurf, and Antigravity.

Step 2 — Install the Figma plugin

⬇ Download plugin.zip — no git clone needed

1. Download and unzip plugin.zip anywhere on your machine
2. Open Figma Desktop (required — web app cannot access localhost)
3. Go to Plugins → Development → Import plugin from manifest...
4. Select manifest.json from the unzipped folder
5. Run Plugins → Development → Figma UI MCP Bridge

The plugin UI shows a green dot when the MCP server is connected.

Updating to a newer version

# Step 1 — get the new version + plugin path
npx figma-ui-mcp@latest --version
# figma-ui-mcp v2.5.12  —  plugin: /.../.npm/_npx/.../figma-ui-mcp/plugin

# Step 2 — restart Claude / your IDE so the MCP server reloads

# Step 3 — re-link the Figma plugin (manual, one-time per update)
#   Figma Desktop → Plugins → Development → Manage plugins in development
#   Remove old "Figma UI MCP Bridge" → "+" → Import plugin from manifest...
#   Select manifest.json from the plugin path printed in Step 1

# Step 4 — verify
#   Ask your AI: "figma_status"
#   pluginVersion in the response should match the npm version above

The Figma plugin does not auto-update — re-linking (Step 3) is required whenever the plugin changes.

Step 3 — Connect AI to Figma

Tell your AI assistant to connect:

"Connect to figma-ui-mcp"

The AI will call figma_status and confirm:

✅ Connected — File: "My Project", Page: "Page 1", Plugin v2.5.5

If you see "Plugin not connected", make sure the Figma plugin is running (Step 2).

Step 4 — Start designing with prompts

Once connected, just describe what you want in natural language:

"Use figma-ui-mcp to draw a login screen for mobile"

The AI will automatically:

1. Call figma_docs to load the API reference and design rules
2. Call figma_read get_page_nodes to understand the current canvas
3. Call figma_write to create the design on your Figma canvas
4. Call figma_read screenshot to verify the result

Prompt examples

Tips for better results

• Be specific about style: "dark theme", "glassmorphism", "minimal white" gives the AI clear direction
• Mention platform: "mobile" (390×844), "tablet" (768×1024), "desktop" (1440×900)
• Iterate: After the first draw, say "fix the spacing" or "make the buttons bigger" — the AI reads and modifies existing nodes
• Use selection: Select a frame in Figma and ask "improve this design" — the AI reads your selection first
• Multi-screen flows: "Now draw the signup screen next to the login screen" — the AI positions frames side by side

Workflow summary

You: "Connect to figma-ui-mcp"
AI:  ✅ Connected to Figma

You: "Draw a mobile onboarding screen with 3 steps"
AI:  [calls figma_docs → figma_write → figma_read screenshot]
AI:  ✅ Done — here's what I created: [inline screenshot]

You: "The title text is not centered"
AI:  [calls figma_read get_selection → figma_write modify → screenshot]
AI:  ✅ Fixed — text is now centered

You: "Now draw the next onboarding screen beside it"
AI:  [reads page_nodes to find position → draws at x+440]
AI:  ✅ Done — 2 screens side by side

figma_status     — check connection (always call first)
figma_docs       — load API reference (call before drawing)
figma_write      — draw / modify UI on canvas
figma_read       — extract design data, screenshots, SVG

Usage Examples

Draw a screen

Ask Claude: "Draw a dark dashboard with a sidebar, header, and 4 KPI cards"

Claude calls figma_write with code like:

await figma.createPage({ name: "Dashboard" });
await figma.setPage({ name: "Dashboard" });

const root = await figma.create({
  type: "FRAME", name: "Dashboard",
  x: 0, y: 0, width: 1440, height: 900,
  fill: "#0f172a",
});

const sidebar = await figma.create({
  type: "FRAME", name: "Sidebar",
  parentId: root.id,
  x: 0, y: 0, width: 240, height: 900,
  fill: "#1e293b", stroke: "#334155", strokeWeight: 1,
});

await figma.create({
  type: "TEXT", name: "App Name",
  parentId: sidebar.id,
  x: 20, y: 24, content: "My App",
  fontSize: 16, fontWeight: "SemiBold", fill: "#f8fafc",
});
// ... continue

Read a design

Ask Claude: "Read my selected frame and convert it to Tailwind CSS"

Claude calls figma_read with operation: "get_selection", receives the full node tree, then generates corresponding code.

Screenshot a frame

figma_read  →  operation: "screenshot"  →  nodeId: "123:456"

Returns a base64 PNG Claude can analyze and describe.

Architecture

figma-ui-mcp/
├── server/
│   ├── index.js            MCP server (stdio transport)
│   ├── bridge-server.js    HTTP bridge on localhost:38451 (long-poll, multi-session)
│   ├── code-executor.js    VM sandbox — safe JS execution + 7-lib icon fetcher
│   ├── tool-definitions.js MCP tool schemas (figma_status / _write / _read / _docs)
│   └── api-docs.js         API reference text (served to AI via figma_docs)
├── src/plugin/             Plugin source (concat-built into plugin/code.js)
│   ├── utils.js, svg-path-helpers.js, paint-and-effects.js, read-helpers.js
│   ├── handlers-write.js, handlers-read.js, handlers-read-detail.js,
│   │   handlers-library.js, handlers-tokens.js, handlers-write-ops.js
│   └── main.js
└── plugin/
    ├── manifest.json       Figma plugin manifest
    ├── code.js             Plugin main (auto-generated — 3600+ LOC)
    └── ui.html             Plugin UI — long-poll client + status dot

Security

Available Write Operations (figma_write)

Core CRUD

create / modify — advanced props available on any node:

Page Management

Node Operations

Components

Design Tokens & Styles

applyVariable supported fields — bind FLOAT/COLOR/STRING/BOOLEAN variables to:

• Color: fill, stroke
• Geometry: opacity, width, height, strokeWeight
• Corner radius: cornerRadius + individual topLeftRadius / topRightRadius / bottomLeftRadius / bottomRightRadius
• Spacing (auto-layout): paddingTop, paddingBottom, paddingLeft, paddingRight, itemSpacing, counterAxisSpacing
• Typography (TEXT nodes): fontSize, letterSpacing, lineHeight, paragraphSpacing, paragraphIndent
• Font swap (STRING): fontFamily, fontStyle, characters — swap Inter → SF Pro via 1 variable
• Visibility (BOOLEAN): visible

Image & Icon Helpers (server-side)

loadIcon fallback priority (filled-first, iOS style preferred): Ionicons (iOS filled) → Fluent UI (Win11 filled) → Bootstrap (filled) → Phosphor (filled) → Tabler Filled (4,500+) → Tabler Outline → Lucide (outline fallback)

Free replacement for paid Icons8 ios-filled. Ionicons naming quirks: Bell→notifications, Back→chevron-back, Clock→time, Fire→flame, Lightning→flash, Lock→lock-closed.

Prototyping & Interactions

Supported transitions: SMART_ANIMATE, DISSOLVE, MOVE_IN, MOVE_OUT, PUSH, SLIDE_IN, SLIDE_OUT, INSTANT Supported easings: LINEAR, EASE_IN, EASE_OUT, EASE_IN_AND_OUT, CUSTOM_BEZIER

Scroll Behavior

Variant & Component Swapping

Available Read Operations (figma_read)

includeHidden param (boolean, default false) — available on get_selection, get_design, search_nodes, scan_design. When false (default), nodes with visible: false are skipped. Pass true to include hidden layers.

Working with an Existing Project

When opening a Figma file that already has a design system, always read before drawing.

Step 1 — Read what exists

figma_read get_variables      → load variable IDs (Design Tokens)
figma_read get_styles         → load paint/text style IDs and hex values
figma_read get_local_components → load component IDs
figma_read get_page_nodes     → load top-level frame IDs

Step 2 — Build lookup maps in figma_write

// Load variables → build varMap: name → id
var vars = await figma.get_variables();
var varMap = {};
for (var ci = 0; ci < vars.collections.length; ci++) {
  var col = vars.collections[ci];
  for (var vi = 0; vi < col.variables.length; vi++) {
    var v = col.variables[vi];
    varMap[v.name] = v.id;
  }
}

// Load styles → build colorMap: name → hex, textMap: name → {fontSize, fontWeight}
var styles = await figma.get_styles();
var colorMap = {}, textMap = {};
styles.paintStyles.forEach(function(s) { colorMap[s.name] = s.hex; });
styles.textStyles.forEach(function(s)  { textMap[s.name]  = s; });

// Load components → build compMap: name → id
var comps = await figma.get_local_components();
var compMap = {};
comps.components.forEach(function(c) { compMap[c.name] = c.id; });

Step 3 — Create nodes using discovered values

// Use colorMap for fill (hex from existing styles)
var card = await figma.create({
  type: "FRAME", name: "Card",
  fill: colorMap["color/bg-surface"] || "#FFFFFF",
  width: 360, height: 200,
  layoutMode: "VERTICAL", paddingTop: 16, paddingLeft: 16,
  paddingBottom: 16, paddingRight: 16, itemSpacing: 12,
});

// Then bind variables so light/dark mode switches propagate
if (varMap["bg-surface"])
  await figma.applyVariable({ nodeId: card.id, field: "fill",        variableId: varMap["bg-surface"] });
if (varMap["radius-md"])
  await figma.applyVariable({ nodeId: card.id, field: "cornerRadius",variableId: varMap["radius-md"] });
if (varMap["spacing-md"])
  await figma.applyVariable({ nodeId: card.id, field: "paddingTop",  variableId: varMap["spacing-md"] });

Step 4 — Instantiate components with overrides

// Prefer existing components over drawing from scratch
if (compMap["btn/primary"]) {
  await figma.instantiate({
    componentId: compMap["btn/primary"],
    parentId: card.id,
    overrides: { "Label": { text: "Confirm", fill: "#FFFFFF" } }
  });
}

Step 5 — Pin frames to Light / Dark mode

var collection = vars.collections.find(function(c) { return c.name === "Design Tokens"; });

// Duplicate frame and preview both modes side by side
var frames = await figma.get_page_nodes();
var homeId  = frames.find(function(f) { return f.name === "Home"; }).id;
var light   = await figma.clone({ id: homeId, x: 0,    name: "Preview/Light" });
var dark    = await figma.clone({ id: homeId, x: 1540, name: "Preview/Dark"  });
await figma.setFrameVariableMode({ nodeId: light.id, collectionId: collection.id, modeName: "light" });
await figma.setFrameVariableMode({ nodeId: dark.id,  collectionId: collection.id, modeName: "dark"  });

Full API reference and all design rules: run figma_docs in your AI client.

Star History

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License

MIT © TranHoaiHung — free to use, modify, and distribute. See LICENSE for details.

Keywords

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