Which integrations are available for this server?

Enables interaction with n8n for workflow automation, including status checks, workflow generation, and webhook triggers.

How do I use spline-mcp?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@spline-mcp generate React component for scene https://prod.spline.design/abc123/scene.splinecode" 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.

spline-mcp

by lesleslie

Overview Schema Related Servers Score Discussions

Python

Remote

spline-mcp

Code style: crackerjack Runtime: oneiric Framework: FastMCP Python: 3.13+

MCP server for Spline.design code generation and asset management.

Overview

Spline.design is a 3D design tool that exports interactive scenes for the web. This MCP server provides:

Code Generation: Generate React, Next.js, and vanilla JS integration code
Asset Management: Download, cache, and validate .splinecode files
Integration Support: WebSocket (Mahavishnu) and n8n workflow integration
Helper Utilities: URL building, event documentation, code snippets

Note: Spline does not have a traditional REST API. Scenes are created in the Spline editor and exported as .splinecode files for runtime use.

Related MCP server: Pixal3D-MCP

Installation

uv pip install -e .

Quick Start

Generate a React Component

spline-mcp generate react https://prod.spline.design/6Wq1Q7YGyM-iab9i/scene.splinecode

Download a Scene

spline-mcp download https://prod.spline.design/6Wq1Q7YGyM-iab9i/scene.splinecode

MCP Server Usage

Stdio Mode (default)

spline-mcp serve

HTTP Mode

spline-mcp serve --http --port 3048

Available Tools

Code Generation

Tool	Description
`generate_react_component`	Generate React component with TypeScript
`generate_vanilla_js`	Generate standalone HTML/JS
`generate_nextjs_component`	Generate Next.js component with SSR support
`generate_event_handler`	Generate event handler code
`generate_variable_binding`	Generate runtime variable bindings
`generate_full_integration`	Complete integration with all features

Asset Management

Tool	Description
`download_scene`	Download and cache a .splinecode file
`validate_scene`	Validate a .splinecode file
`list_cached_scenes`	List all cached scenes
`clear_cache`	Clear cached scenes
`get_cache_stats`	Get cache statistics

Helper Utilities

Tool	Description
`build_export_url`	Build export URL from scene ID
`parse_scene_url`	Parse URL to extract scene ID
`list_event_types`	List supported Spline event types
`get_event_documentation`	Get docs for specific event
`generate_snippet`	Generate common code snippets

Integration

Tool	Description
`get_websocket_status`	Check Mahavishnu WebSocket connection
`subscribe_to_channel`	Subscribe to real-time updates
`get_n8n_status`	Check n8n availability
`generate_n8n_workflow`	Generate n8n workflow for Spline
`trigger_n8n_webhook`	Trigger n8n webhook
`get_integration_status`	Status of all integrations

Documentation

Tool	Description
`get_runtime_api_docs`	Get documentation for the @splinetool/runtime API by topic
`get_installation_guide`	Get installation guide for the Spline runtime
`get_troubleshooting_guide`	Get troubleshooting guide for common Spline issues

Configuration

Set via environment variables with SPLINE_ prefix:

Variable	Default	Description
`SPLINE_DEFAULT_FRAMEWORK`	`react`	Default framework (react/vanilla/nextjs)
`SPLINE_TYPESCRIPT`	`true`	Generate TypeScript code
`SPLINE_LAZY_LOAD`	`true`	Use lazy loading with Suspense
`SPLINE_SSR_PLACEHOLDER`	`false`	Generate SSR placeholder for Next.js
`SPLINE_INDENT_SPACES`	`2`	Indentation spaces for generated code (2-8)
`SPLINE_SEMICOLONS`	`true`	Use semicolons in generated JavaScript
`SPLINE_CACHE_DIR`	`~/.spline-mcp/cache`	Cache directory
`SPLINE_MAX_CACHE_SIZE_MB`	`500`	Maximum cache size
`SPLINE_AUTO_VALIDATE`	`true`	Automatically validate downloaded scenes
`SPLINE_WEBSOCKET_ENABLED`	`true`	Enable WebSocket integration
`SPLINE_WEBSOCKET_URL`	`ws://localhost:8690`	Mahavishnu WebSocket URL
`SPLINE_WEBSOCKET_AUTO_RECONNECT`	`true`	Automatically reconnect on disconnect
`SPLINE_N8N_ENABLED`	`true`	Enable n8n integration
`SPLINE_N8N_URL`	`http://localhost:3044`	n8n server URL
`SPLINE_N8N_API_KEY`	(unset)	n8n API key (required when n8n auth enabled)
`SPLINE_ENABLE_HTTP_TRANSPORT`	`false`	Enable HTTP transport
`SPLINE_HTTP_HOST`	`127.0.0.1`	HTTP server host
`SPLINE_HTTP_PORT`	`3048`	HTTP server port
`SPLINE_LOG_LEVEL`	`INFO`	Logging level
`SPLINE_LOG_JSON`	`true`	Use JSON logging format

Generated Code Examples

React Component

import { Suspense, useRef, useCallback } from 'react';
import Spline from '@splinetool/react-spline';

interface HeroSceneProps {
  className?: string;
}

export function HeroScene({ className }: HeroSceneProps) {
  return (
    <Suspense fallback={<div>Loading 3D scene...</div>}>
      <Spline
        scene="https://prod.spline.design/xxx/scene.splinecode"
        className={className}
      />
    </Suspense>
  );
}

With WebSocket Integration

// Auto-generated WebSocket integration with soft failover
const { subscribe, isConnected } = useWebSocket('ws://localhost:8690');

useEffect(() => {
  if (!isConnected) return;

  const unsubscribe = subscribe('spline:variables', (data) => {
    splineRef.current?.setVariables(data);
  });

  return unsubscribe;
}, [isConnected]);

Architecture

spline_mcp/
├── generators/         # Code generation (React, Vanilla, Next.js)
│   ├── base.py         # Base classes and types
│   ├── react.py        # React generator with FastBlocks patterns
│   ├── vanilla.py      # Vanilla JS/HTML generator
│   └── nextjs.py       # Next.js SSR generator
├── assets/             # Asset management
│   ├── manager.py      # Download, cache, validate
│   └── validator.py    # Scene file validation
├── integrations/       # External integrations
│   ├── websocket.py    # Mahavishnu WebSocket (soft failover)
│   └── n8n.py          # n8n workflow integration
├── tools/              # MCP tool definitions
│   ├── generation.py   # Code generation tools
│   ├── assets.py       # Asset management tools
│   ├── helpers.py      # Utility tools
│   └── integration.py  # Integration tools
├── config.py           # Oneiric-based configuration
└── server.py           # FastMCP application

Ecosystem Integration

Part of the Bodai Ecosystem:

Component	Role	Port
Mahavishnu	Orchestrator	8680
Akosha	Seer	8682
Dhara	Curator	8683
Session-Buddy	Builder	8678
Crackerjack	Inspector	8676
spline-mcp	3D Orchestrator	3048

License

BSD-3-Clause

This server cannot be installed

license - permissive license

Not graded

quality - not tested

maintenance

How are these scores calculated?

Maintenance

–Maintainers

–Response time

–Release cycle

–Releases (12mo)

Commit activity

Resources

GitHub Repository

Need Help?

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spline-mcp

Overview

Installation

Quick Start

Generate a React Component

Download a Scene

MCP Server Usage

Stdio Mode (default)

HTTP Mode

Available Tools

Code Generation

Asset Management

Helper Utilities

Integration

Documentation

Configuration

Generated Code Examples

React Component

With WebSocket Integration

Architecture

Ecosystem Integration

License

Maintenance

Resources

Looking for Admin?

Related MCP Servers

Vitrine MCP Serverofficial

Pixal3D-MCP

Rodin Gen-2 MCP Server

GameDev-MCP-Server

Related MCP Connectors

Latest Blog Posts

MCP directory API