Figma Agent MCP
Provides tools for inspecting, creating, mutating, styling, validating, and optimizing Figma designs natively, including design-system awareness, token compression, and composite workflows. Enables AI agents to directly interact with Figma canvas, components, styles, and variables through a WebSocket bridge and native Figma plugin.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@Figma Agent MCPcheck WCAG contrast for the selected element"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
ā” Figma Agent MCP
Local-first AI Design Agent for Figma via Model Context Protocol (MCP) ā WebSocket Bridge ā Native Figma Plugin.
Inspect, create, mutate, style, validate, and optimize Figma designs natively with deterministic typed tools, design-system awareness, token compression, and turnkey composite workflows.
šļø System Architecture
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā AI Client (Claude / Cursor / Antigravity / LLM) ā
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā¬āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā MCP Protocol (stdio / SSE)
ā¼
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā MCP Server (@figma-agent/mcp-server ā 48 Tools) ā
ā - Tool Registry & Validation - Session Router ā
ā - Context Compiler (>70% cut) - Composite Skills Runtime ā
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā¬āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā
ā¼
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā Command Engine (@figma-agent/command-engine) ā
ā - Batch Transaction Pipeline - Idempotency & Rollback ā
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā¬āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā Local WebSocket (ws://127.0.0.1:3055)
ā¼
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā Bridge Server (@figma-agent/bridge-server) ā
ā - Channel Pairing (128-bit) - Request/Response Matcher ā
ā - Heartbeat & Auto-reconnect - 50+ Concurrent Sockets ā
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā¬āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā
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ā Figma Plugin (@figma-agent/figma-plugin) ā
ā - Typed Command Dispatcher - Pure Font Engine ā
ā - Native Node Mutation - Zero External Dependencies ā
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā¬āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā Figma Plugin API
ā¼
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāā
ā Figma Canvas ā
āāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāāš Key Highlights
š Local-First & Secure: Binds to
127.0.0.1by default. 128-bit secret channel pairing. No arbitrary JavaScript execution inside Figma.š§© 48 Deterministic MCP Tools: Comprehensive coverage across Read, Create, Mutate, Auto Layout, Visual Styles, Components, Variables/Tokens, Typography, and Export.
ā” Context Compiler (>70% Token Reduction): Compresses massive node trees into semantic Markdown or Compact DSL with adaptive depth pruning and token budget enforcement under 100ms.
š”ļø Built-in Validation & WCAG 2.1 Engine: Relative luminance and contrast ratio calculation (AA/AAA) for normal text, large text, and UI components; Auto Layout linter; 4px/8px token grid auditor.
š Atomic Batch Execution: Sequential execution of command pipelines with
stopOnFirstErrororcontinueOnErrorerror recovery.š Turnkey Agent Skills: Pre-packaged composite workflows for instant Design System generation, WCAG accessibility auto-repair, and wireframe-to-hifi card conversion.
š¦ Monorepo Layout
figma-agent-mcp/
āāā apps/
ā āāā mcp-server/ # 48 MCP Tools + Bridge Client + Session Service
ā āāā bridge-server/ # High-throughput WebSocket router (ws)
ā āāā figma-plugin/ # Pure TypeScript native Figma Plugin
āāā packages/
ā āāā protocol/ # CommandEnvelope, CommandResult, Error codes, Zod schemas
ā āāā figma-schema/ # SimplifiedNode, Layout, Style, Text, Validation schemas
ā āāā command-engine/ # Batch execution pipeline, transactions, ref resolution
ā āāā context-compiler/ # Token optimizer, tree pruner, Markdown & DSL serializers
ā āāā design-system/ # 4px/8px Spacing, Typography & Corner Radius scale matchers
ā āāā validator/ # WCAG 2.1 contrast engine, Auto Layout & design token rules
ā āāā skill-runtime/ # Composite skills registry & execution engine
ā āāā telemetry/ # Percentile metrics collector (p50, p95, p99)
ā āāā shared/ # Hex/RGBA converters, Pino logger, environment config
āāā tests/
āāā integration/ # 27 Vitest suites covering all phases & stress benchmarksš Quickstart & Setup
1. Build the Monorepo
git clone https://github.com/your-org/figma-agent-mcp.git
cd figma-agent-mcp
pnpm install
pnpm build2. Start the Bridge Server
pnpm --filter @figma-agent/bridge-server start
# Bridge server listening at ws://127.0.0.1:30553. Load the Figma Plugin in Figma Desktop
Open Figma Desktop.
Go to Plugins ā Development ā Import plugin from manifest...
Select
apps/figma-plugin/manifest.json.Run Figma Agent Bridge plugin. Note your Channel ID (defaults to
default-channel).
āļø AI Client Configuration
š¤ 1. Claude Desktop
Add to your claude_desktop_config.json (%APPDATA%\Claude\claude_desktop_config.json on Windows or ~/Library/Application Support/Claude/claude_desktop_config.json on macOS):
{
"mcpServers": {
"figma": {
"command": "node",
"args": ["d:/Code/Figma MCP/apps/mcp-server/dist/cli.js"],
"env": {
"FIGMA_AGENT_BRIDGE_HOST": "127.0.0.1",
"FIGMA_AGENT_BRIDGE_PORT": "3055",
"FIGMA_AGENT_CHANNEL_ID": "default-channel"
}
}
}
}š» 2. Cursor IDE
Add to your Cursor MCP Configuration (Settings ā Features ā MCP or .cursor/mcp.json):
{
"mcpServers": {
"figma-agent": {
"command": "node",
"args": ["d:/Code/Figma MCP/apps/mcp-server/dist/cli.js"],
"env": {
"FIGMA_AGENT_BRIDGE_HOST": "127.0.0.1",
"FIGMA_AGENT_BRIDGE_PORT": "3055",
"FIGMA_AGENT_CHANNEL_ID": "default-channel"
}
}
}
}š§ 3. Google Antigravity / Gemini CLI
Add to your Antigravity MCP settings (~/.gemini/antigravity/mcp_config.json):
{
"mcpServers": {
"figma-agent": {
"command": "node",
"args": ["d:/Code/Figma MCP/apps/mcp-server/dist/cli.js"],
"env": {
"FIGMA_AGENT_BRIDGE_HOST": "127.0.0.1",
"FIGMA_AGENT_BRIDGE_PORT": "3055"
}
}
}
}ā” 4. OpenAI Codex / Codex CLI / OpenAI Operator
Add to your Codex MCP configuration (~/.codex/config.json or codex-settings.json):
{
"mcpServers": {
"figma-agent": {
"command": "node",
"args": ["d:/Code/Figma MCP/apps/mcp-server/dist/cli.js"],
"env": {
"FIGMA_AGENT_BRIDGE_HOST": "127.0.0.1",
"FIGMA_AGENT_BRIDGE_PORT": "3055",
"FIGMA_AGENT_CHANNEL_ID": "default-channel"
}
}
}
}Or register via Codex CLI:
# Add Figma Agent MCP to Codex CLI
codex mcp add figma-agent -- node "d:/Code/Figma MCP/apps/mcp-server/dist/cli.js"
# Inspect available tools via MCP Inspector
npx @modelcontextprotocol/inspector node "d:/Code/Figma MCP/apps/mcp-server/dist/cli.js"š 5. Windsurf / Codeium IDE
Add to ~/.codeium/windsurf/mcp_config.json:
{
"mcpServers": {
"figma-agent": {
"command": "node",
"args": ["d:/Code/Figma MCP/apps/mcp-server/dist/cli.js"],
"env": {
"FIGMA_AGENT_BRIDGE_HOST": "127.0.0.1",
"FIGMA_AGENT_BRIDGE_PORT": "3055",
"FIGMA_AGENT_CHANNEL_ID": "default-channel"
}
}
}
}š Complete MCP Tools Reference (48 Tools)
1. Connection & Session (2 tools)
Tool Name | Parameters | Description |
| none | Get current WebSocket bridge connection status, latency, and session capabilities. |
|
| Switch or join a specific Figma document channel session. |
2. Inspection & Read (6 tools)
Tool Name | Parameters | Description |
|
| Retrieve the document root hierarchy with bounded depth. |
|
| Get currently selected nodes in the active Figma canvas. |
|
| Read detailed properties and subtree of a specific node. |
|
| Batch fetch multiple nodes by ID. |
| none | List all reusable components and variants in the file. |
|
| List local paint, text, and effect styles. |
3. Node Creation (4 tools)
Tool Name | Parameters | Description |
|
| Create a container Frame with optional Auto Layout. |
|
| Create a Text node with reliable font loading. |
|
| Create a Rectangle vector node. |
|
| Create a Section organization container. |
4. Node Mutation & Geometry (6 tools)
Tool Name | Parameters | Description |
|
| Move a node to absolute coordinate positions. |
|
| Resize node dimensions. |
|
| Rename node layer title. |
|
| Delete a node from the canvas. |
|
| Duplicate an existing node hierarchy. |
|
| Reparent and reorder a node in the layer tree. |
5. Auto Layout & Responsive Sizing (2 tools)
Tool Name | Parameters | Description |
|
| Configure responsive Flexbox-like Auto Layout. |
|
| Set container and child axis sizing behavior. |
6. Visual Styles & Effects (5 tools)
Tool Name | Parameters | Description |
|
| Apply background colors, gradients, and images. |
|
| Apply border strokes, weights, and alignments. |
|
| Set border corner radius with iOS continuous smoothing. |
|
| Adjust layer opacity. |
|
| Apply drop shadows, inner shadows, and blurs. |
7. Components & Instances (4 tools)
Tool Name | Parameters | Description |
|
| Convert a node into a reusable Master Component. |
|
| Instantiate a component variant. |
|
| Override component variant properties. |
|
| Detach component instance to regular editable frames. |
8. Variables & Design Tokens (6 tools)
Tool Name | Parameters | Description |
|
| List local variables and token collections. |
|
| Create a semantic Design Token variable. |
|
| Update variable value for a specific mode. |
|
| Bind a node property to a Design Token variable. |
|
| Create a shared Paint Style in the file. |
(Reused Inspect) |
| Query shared styles. |
9. Assets, Images & Export (3 tools)
Tool Name | Parameters | Description |
|
| Export node as Base64 image data or UTF-8 SVG string. |
|
| Configure export presets on a node. |
|
| Upload and apply an image fill from Base64. |
10. Text & Typography (6 tools)
Tool Name | Parameters | Description |
|
| Update text string content. |
|
| Update font size (whole text or range). |
|
| Change font family and weight with auto font-loading. |
|
| Set text alignment. |
|
| Set line height spacing. |
|
| Set letter spacing (tracking). |
11. Context Optimization & Pruning (1 tool)
Tool Name | Parameters | Description |
|
| Compile and compress Figma trees with token budget enforcement (>70% compression). |
12. Validation & Accessibility (2 tools)
Tool Name | Parameters | Description |
|
| Audit node tree for WCAG 2.1 contrast, Auto Layout rules, token scales, and layer naming health. |
|
| Calculate WCAG 2.1 relative luminance and contrast ratio (AA/AAA). |
13. Composite Skills & Batch Execution (2 tools)
Tool Name | Parameters | Description |
| none | Discover available high-level Agent Skills. |
|
| Execute a multi-step composite workflow. |
|
| Execute multiple Figma commands in a single atomic batch transaction. |
š¤ Composite Agent Skills
1. skill.create_design_system
Creates a turnkey design system in seconds:
Creates Variable Collection: Color Palette & Tokens.
Creates variables:
color/primary,color/background,color/surface,color/text-primary.Creates corresponding Paint Styles.
Generates a responsive
Button/PrimaryMaster Component with Auto Layout, corner radius, and token bindings.
2. skill.auto_fix_accessibility
Audits the target layout hierarchy for WCAG 2.1 contrast violations and automatically repairs low-contrast text colors against their background surfaces to achieve AA compliance.
3. skill.convert_wireframe_to_hifi
Transforms a low-fidelity wireframe container into a polished, responsive High-Fidelity UI Card with Auto Layout, modern surface fills, soft drop shadows, and continuous corner smoothing.
š§Ŗ Testing & Verification
Run the comprehensive test suite (115 passing tests across 27 test files):
# Run format checking
pnpm format:check
# Run full build
pnpm build
# Run unit and integration tests
pnpm test
# Strict TypeScript typechecking
pnpm typecheck
# ESLint audit
pnpm lintBenchmark Results:
ā” WebSocket Concurrency: 50 concurrent client connections with burst heartbeats: p95 < 100ms, 0 dropouts.
š³ Massive Tree Scaling: Context compilation of 6,111 nodes with 1,000 token budget: < 100ms execution time, >70% compression ratio.
š”ļø Fault Tolerance: Automatic reconnection and error handling with
retryableflags on socket dropouts.
š License
MIT Ā© 2026 Figma Agent MCP Contributors
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