MCP Server For Unity

This is a Unity implementation based on the Model Context Protocol (MCP), enabling AI assistants (Cursor, Claude Code, OpenCode) to directly control the Unity Editor and runtime applications.

Pure C# Implementation

Fully developed in Unity, compatible with Unity C# syntax.

MCP Protocol

Supports almost all features defined in the MCP protocol documentation (except Prompts).

Tool Development and Extension

• Provides 80 built-in editor tools
• Offers a simple tool definition method for users to extend tools according to project requirements
• Protocol supports multiple data types:
• Basic data types
• Unity built-in geometry types
• Array types
• User-defined custom types (with constraints)

AI-Assisted Coding Support

Provides AGENTS.md file for secondary development and extension with AI.

Modes

Supports both Editor and Runtime modes.