Godot MCP

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A Model Context Protocol (MCP) server for interacting with the Godot game engine.

Introduction

Godot MCP enables AI assistants to launch the Godot editor, run projects, capture debug output, and control project execution - all through a standardized interface.

This direct feedback loop helps AI assistants like Claude understand what works and what doesn't in real Godot projects, leading to better code generation and debugging assistance.

Features

Launch Godot Editor: Open the Godot editor for a specific project
Run Godot Projects: Execute Godot projects in debug mode
Capture Debug Output: Retrieve console output and error messages
Control Execution: Start and stop Godot projects programmatically
Get Godot Version: Retrieve the installed Godot version
List Godot Projects: Find Godot projects in a specified directory
Project Analysis: Get detailed information about project structure
Scene Management:
- Create new scenes with specified root node types
- Add nodes to existing scenes with customizable properties
- Load sprites and textures into Sprite2D nodes
- Export 3D scenes as MeshLibrary resources for GridMap
- Save scenes with options for creating variants
UID Management (for Godot 4.4+):
- Get UID for specific files
- Update UID references by resaving resources

Requirements

Godot Engine installed on your system
Node.js and npm
An AI assistant that supports MCP (Cline, Cursor, etc.)

Installation and Configuration

Step 1: Install and Build

First, clone the repository and build the MCP server:

git clone https://github.com/Coding-Solo/godot-mcp.git
cd godot-mcp
npm install
npm run build

Step 2: Configure with Your AI Assistant

Option A: Configure with Cline

Add to your Cline MCP settings file (~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json):

{
  "mcpServers": {
    "godot": {
      "command": "node",
      "args": ["/absolute/path/to/godot-mcp/build/index.js"],
      "env": {
        "DEBUG": "true"                  // Optional: Enable detailed logging
      },
      "disabled": false,
      "autoApprove": [
        "launch_editor",
        "run_project",
        "get_debug_output",
        "stop_project",
        "get_godot_version",
        "list_projects",
        "get_project_info",
        "create_scene",
        "add_node",
        "load_sprite",
        "export_mesh_library",
        "save_scene",
        "get_uid",
        "update_project_uids"
      ]
    }
  }
}

Option B: Configure with Cursor

Using the Cursor UI:

Go to Cursor Settings > Features > MCP
Click on the + Add New MCP Server button
Fill out the form:
- Name: godot (or any name you prefer)
- Type: command
- Command: node /absolute/path/to/godot-mcp/build/index.js
Click "Add"
You may need to press the refresh button in the top right corner of the MCP server card to populate the tool list

Using Project-Specific Configuration:

Create a file at .cursor/mcp.json in your project directory with the following content:

{
  "mcpServers": {
    "godot": {
      "command": "node",
      "args": ["/absolute/path/to/godot-mcp/build/index.js"],
      "env": {
        "DEBUG": "true"                  // Enable detailed logging
      }
    }
  }
}

Step 3: Optional Environment Variables

You can customize the server behavior with these environment variables:

GODOT_PATH: Path to the Godot executable (overrides automatic detection)
DEBUG: Set to "true" to enable detailed server-side debug logging

Example Prompts

Once configured, your AI assistant will automatically run the MCP server when needed. You can use prompts like:

"Launch the Godot editor for my project at /path/to/project"

"Run my Godot project and show me any errors"

"Get information about my Godot project structure"

"Analyze my Godot project structure and suggest improvements"

"Help me debug this error in my Godot project: [paste error]"

"Write a GDScript for a character controller with double jump and wall sliding"

"Create a new scene with a Player node in my Godot project"

"Add a Sprite2D node to my player scene and load the character texture"

"Export my 3D models as a MeshLibrary for use with GridMap"

"Create a UI scene with buttons and labels for my game's main menu"

"Get the UID for a specific script file in my Godot 4.4 project"

"Update UID references in my Godot project after upgrading to 4.4"

Implementation Details

Architecture

The Godot MCP server uses a bundled GDScript approach for complex operations:

Direct Commands: Simple operations like launching the editor or getting project info use Godot's built-in CLI commands directly.
Bundled Operations Script: Complex operations like creating scenes or adding nodes use a single, comprehensive GDScript file (godot_operations.gd) that handles all operations.

This architecture provides several benefits:

No Temporary Files: Eliminates the need for temporary script files, keeping your system clean
Simplified Codebase: Centralizes all Godot operations in one (somewhat) organized file
Better Maintainability: Makes it easier to add new operations or modify existing ones
Improved Error Handling: Provides consistent error reporting across all operations
Reduced Overhead: Minimizes file I/O operations for better performance

The bundled script accepts operation type and parameters as JSON, allowing for flexible and dynamic operation execution without generating temporary files for each operation.

Troubleshooting

Godot Not Found: Set the GODOT_PATH environment variable to your Godot executable
Connection Issues: Ensure the server is running and restart your AI assistant
Invalid Project Path: Ensure the path points to a directory containing a project.godot file
Build Issues: Make sure all dependencies are installed by running npm install
For Cursor Specifically:
Ensure the MCP server shows up and is enabled in Cursor settings (Settings > MCP)
MCP tools can only be run using the Agent chat profile (Cursor Pro or Business subscription)
Use "Yolo Mode" to automatically run MCP tool requests

License

This project is licensed under the MIT License - see the LICENSE file for details.

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