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https://github.com/tencent/puerts

PUER(普洱) Typescript. Let's write your game in UE or Unity with TypeScript.
https://github.com/tencent/puerts

dotnet javascript nodejs quickjs typescript unity unrealengine v8

Last synced: 9 days ago
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PUER(普洱) Typescript. Let's write your game in UE or Unity with TypeScript.

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![Logo](https://raw.githubusercontent.com/Tencent/puerts/refs/heads/master/doc/pic/puerts_logo.png)



[![license](https://img.shields.io/badge/license-BSD_3_Clause-blue.svg)](https://github.com/Tencent/puerts/blob/master/LICENSE)

[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-blue.svg)](https://github.com/Tencent/puerts/pulls)

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![Nuget_Build](https://github.com/Tencent/puerts/actions/workflows/build_nuget.yml/badge.svg?branch=master)



## Unreal Releases



[![unreal](https://img.shields.io/badge/unreal-v1.0.9-blue.svg)](https://github.com/Tencent/puerts/releases/tag/Unreal_v1.0.9)



## Unity Releases



[![unity](https://img.shields.io/badge/unity-v3.0.2(latest)-blue.svg)](https://github.com/Tencent/puerts/releases/tag/Unity_v3.0.2)

[![unity](https://img.shields.io/badge/unity-v2.2.3(lts)-blue.svg)](https://github.com/Tencent/puerts/releases/tag/Unity_v2.2.3)



## Nuget Releases



[![Puerts.V8.Complete](https://img.shields.io/nuget/v/Puerts.V8.Complete.svg?label=Puerts.V8)](https://www.nuget.org/packages/Puerts.V8.Complete)

[![Puerts.NodeJS.Complete](https://img.shields.io/nuget/v/Puerts.NodeJS.Complete.svg?label=Puerts.NodeJS)](https://www.nuget.org/packages/Puerts.NodeJS.Complete)

[![Puerts.QuickJS.Complete](https://img.shields.io/nuget/v/Puerts.QuickJS.Complete.svg?label=Puerts.QuickJS)](https://www.nuget.org/packages/Puerts.QuickJS.Complete)

[![Puerts.Lua.Complete](https://img.shields.io/nuget/v/Puerts.Lua.Complete.svg?label=Puerts.Lua)](https://www.nuget.org/packages/Puerts.Lua.Complete)

[![Puerts.Python.Complete](https://img.shields.io/nuget/v/Puerts.Python.Complete.svg?label=Puerts.Python)](https://www.nuget.org/packages/Puerts.Python.Complete)



[跳转中文](#what---普洱ts是什么)



## WHAT is PuerTS?

 

`PuerTS` is a **multi-language scripting solution** for Unity/Unreal/DotNet.



* 🌐 **Multi-Language Support (Unity 3.0 New!)**: JavaScript/TypeScript, **Lua**, and **Python** — use the language your team is most productive in, or even mix them in one project. *(Unreal currently supports JavaScript/TypeScript only.)*

* 🚀 Provides high-performance script runtimes with seamless C#/C++ interop.

* 📝 TypeScript declaration generation for type-safe access to host engine APIs.



## WHY should I use PuerTS?



* **Choose your language (Unity)**: PuerTS 3.0 introduces a unified `ScriptEnv` architecture — write game logic in TypeScript, Lua, or Python with a consistent C# bridging API. No more one-size-fits-all.

* **Massive ecosystem access**: leverage npm, LuaRocks, or PyPI packages alongside professional game engines to accelerate development.

* **Type safety when you want it**: TypeScript's static type checking significantly improves code robustness, while Lua and Python offer rapid prototyping flexibility.

* **High efficiency**: full-engine, cross-platform reflection calls — zero boilerplate for C++/C# interop.

* **High performance**: static wrapper generation for performance-critical paths, across all supported languages.

* **Talented WebGL Support**: massive advantage in performance and dev efficiency, even faster than pure C# in some cases.



## Quick Start (Unity)



All three languages share the same `ScriptEnv` API — just swap the `Backend`:



**JavaScript / TypeScript**



```csharp

using Puerts;

using UnityEngine;



void Start() {

    var env = new ScriptEnv(new BackendV8());

    env.Eval(@"

        const Vector3 = CS.UnityEngine.Vector3;

        const Debug = CS.UnityEngine.Debug;

        let pos = new Vector3(1, 2, 3);

        Debug.Log('Hello from JS! pos = ' + pos);

    ");

    env.Dispose();

}

```



**Lua**



```csharp

using Puerts;

using UnityEngine;



void Start() {

    var env = new ScriptEnv(new BackendLua());

    env.Eval(@"

        local CS = require('csharp')

        local Vector3 = CS.UnityEngine.Vector3

        local Debug = CS.UnityEngine.Debug

        local pos = Vector3(1, 2, 3)

        Debug.Log('Hello from Lua! pos = ' .. pos:ToString())

    ");

    env.Dispose();

}

```



**Python**



```csharp

using Puerts;

using UnityEngine;



void Start() {

    var env = new ScriptEnv(new BackendPython());

    env.Eval(@"

exec('''

import UnityEngine.Vector3 as Vector3

import UnityEngine.Debug as Debug

pos = Vector3(1.0, 2.0, 3.0)

Debug.Log('Hello from Python! pos = ' + pos.ToString())

''')

");

    env.Dispose();

}

```



> 💡 Three languages, one API surface. Each example creates a `Vector3`, then calls `Debug.Log` — real C# interop in just a few lines.



## Puerts.AI (Unity Only)



Built on top of PuerTS, **Puerts.AI** brings AI capabilities directly into Unity — both in the Editor and at game runtime.



### Unity Editor Assistant



Puerts.AI includes a ready-to-use **Unity Editor Assistant** that lets you control the Unity Editor with natural language. For example:



- *"Build a medieval castle scene using basic meshes"* — AI creates GameObjects, adjusts Transforms, assigns materials

- *"Analyze puerts-related logs"* — AI filters and summarizes logs intelligently

- *"Check for missing scripts in the current scene"* — AI traverses all GameObjects and reports issues



**Any C# API is callable** — the AI generates scripts that run in the PuerTS environment with full access to `UnityEngine.*` and `UnityEditor.*`.



The Editor Assistant comes in two versions:



| | Agent Version (Built-in) | MCP Version (External) |

|:---|:---|:---|

| **How it works** | Chat directly inside a Unity Editor window | Connect from Cursor, Windsurf, Claude Desktop, or any MCP-compatible AI tool |

| **Speed** | ⚡ Faster — no network round-trips | Communicates via HTTP/SSE |

| **Best for** | Scene building, inspections, quick prototyping | Vibe coding workflows — AI edits code while controlling Unity to verify results |



**What makes Puerts MCP different from other Unity MCP solutions?**



- **No separate process** — the MCP server runs directly inside the Unity process, no extra services to launch

- **Single tool, on-demand builtins** — instead of registering dozens of tools upfront, it exposes only one tool; builtin modules are loaded on demand, saving context tokens while remaining equally powerful

- **Extensible via builtins & skills** — add new capabilities by dropping files into the resource directory, no code changes needed



### Puerts.Agent Framework



The Editor Assistant above is built with **Puerts.Agent** — an open, extensible LLM Agent framework. But it's not just for the editor — **agents can also run in game runtime**, opening up gameplay possibilities:



- 🎮 **Smart NPC Demo** — Each NPC has its own LLM Agent instance and personality-driven system-prompt. NPCs generate truly dynamic dialogue based on player behavior and game state, sense their surroundings via C# APIs, and form personalized interactions through conversation memory. ([SmartNPCDemo](https://github.com/chexiongsheng/SmartNPCDemo))

- 🧩 **Maze Runner Demo** — An AI that autonomously navigates a 3D maze by taking screenshots to observe the environment, reasoning about viable paths, executing movement commands, and verifying results — all powered by just two builtin modules and a system-prompt.([MazeRunnerDemo](https://github.com/chexiongsheng/MazeRunnerDemo))



Build your own agent by creating a simple resource directory:



```

Resources/my-agent/

├── system-prompt.md.txt      # Who the AI is and how it behaves

├── skills/                   # Domain knowledge documents (loaded on demand)

└── builtins/                 # Executable helper modules

```



## HOW can I start to use PuerTS

[Documentation](https://puerts.github.io/en)



---



## FAQ



* [general faq](doc/faq.md)

* [unreal faq](doc/unreal/en/faq.md)

* [unity faq](doc/unity/en/faq.md)



## How to Install



* [unreal](doc/unreal/en/install.md)

* [unity](doc/unity/en/install.md)



### Changelog



* [unreal](doc/unreal/en/changelog.md)

* [unity](unity/Assets/core/upm/changelog.md)



### Known issues



* [unreal](doc/unreal/en/bugs.md)

* [unity](doc/unity/en/bugs.md)



---



## Select Script Backend



PuerTS supports multiple script backends. For **JavaScript/TypeScript**, choose from V8, QuickJS, or Node.js. PuerTS 3.0 also adds **Lua** and **Python** as first-class backends.



### JavaScript Backends



* V8 (default): Generally excellent performance, moderate code size, only includes the implementation of the ECMAScript specification, does not include Node.js API or browser API.



* QuickJS: Performance is not as good as V8, does not support debugging, but has a small code size, suitable for scenarios where code size is critical.



* Node.js: Supports Node.js API (OpenSSL-related APIs are not supported on Unreal Engine's mobile platform), but has a larger code size.



| JS Backend | Node API | Performance | Code Size | Debugging | Notes |

| --- | --- | --- | --- | --- | --- |

| V8 | ❌ | `*****` | `***` | ✔️ | |

| QuickJS | ❌ | `**` | `*` | ❌ | |

| Node.js | ✔️ | `*****` | `*****` | ✔️ | OpenSSL may be disabled |



### Additional Language Backends (Unity 3.0 New!)



> **Note**: Lua and Python backends are currently available for **Unity only**. Unreal Engine still supports JavaScript/TypeScript exclusively.



| Backend | Language | Performance | Platform Support | Notes |

| --- | --- | --- | --- | --- |

| Lua | Lua 5.4 | `*****` | All platforms | Ideal for teams already using Lua |

| Python | CPython | `***` | Desktop only | Great for AI/ML integration & tooling |



## Avaliable on these Engine



* unreal engine 4.22 ~ latest



* unity 5 ~ latest



* Any .net project



## Available on these Platform



PuerTS's core code supports all platforms supported by the game engines, but each script backend has its own platform requirements:



|  | Windows | Mac | Linux | Android | iOS | H5/Mini Games |

| --- | --- | --- | --- | --- | --- | --- |

| V8 | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ❌ |

| Nodejs | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ❌ |

| Quickjs | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |

| Webgl | ❌ | ❌ | ❌ | ❌ | ❌ | ✔️ |

| Lua | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |

| Python | ✔️ | ✔️ | ✔️ | ❌ | ❌ | ❌ |



Note 1: Only V8, Nodejs, and Quickjs backends are available for Unreal. Unity supports all backends listed above.

Note 2: Although the Webgl backend only supports H5/Mini Games, its scripts run in the native JS VM of the web environment, which typically delivers higher performance (e.g., JIT support in iOS Mini Games). It also provides first-class language benefits such as convenient debugging and profiling.

Note 3: For JavaScript, different platforms can use different JS backends — e.g., V8 for mobile apps and Webgl for H5 — achieving full platform coverage with optimal performance.



## Ask for help



[Github Discussion](https://github.com/Tencent/puerts/discussions)



------



## WHAT - 普洱TS是什么?

PuerTS 是 Unity/Unreal/Dotnet 下的**多语言脚本编程解决方案**。



* 🌐 **多语言支持（Unity 3.0 新特性！）**：JavaScript/TypeScript、**Lua**、**Python** 三大语言开箱即用——团队擅长什么就用什么，同一个项目里甚至可以混用。*（Unreal 目前仅支持 JavaScript/TypeScript。）*

* 🚀 提供高性能脚本运行时，与 C#/C++ 无缝互操作。

* 📝 提供 TypeScript 声明文件生成能力，类型安全地访问宿主引擎 API。



## WHY - 为什么我该用普洱TS?



* **自由选择语言（Unity）**：PuerTS 3.0 引入了统一的 `ScriptEnv` 架构——用 TypeScript、Lua 或 Python 编写游戏逻辑，享受一致的 C# 桥接 API，不再被某一种脚本语言绑定。

* **海量生态随手可用**：npm、LuaRocks、PyPI 的海量包 + 专业游戏引擎的渲染能力，加速开发效率。

* **按需选择类型安全**：TypeScript 的静态类型检查显著提升代码健壮性；Lua 和 Python 则提供快速原型验证的灵活性。

* **高效**：全引擎，全平台支持反射调用，无需额外步骤即可与宿主 C++/C# 通信。

* **高性能**：全引擎，全平台支持生成静态调用桥梁，所有支持的语言都兼顾了高性能场景。

* **WebGL 平台天生优势**：相比其他脚本方案，PuerTS 在 WebGL 平台性能和效率上都有极大提升，极限情况甚至比纯 C# 更快。



## 快速上手（Unity）



三种语言共享同一套 `ScriptEnv` API，只需切换 `Backend`：



**JavaScript / TypeScript**



```csharp

using Puerts;

using UnityEngine;



void Start() {

    var env = new ScriptEnv(new BackendV8());

    env.Eval(@"

        const Vector3 = CS.UnityEngine.Vector3;

        const Debug = CS.UnityEngine.Debug;

        let pos = new Vector3(1, 2, 3);

        Debug.Log('Hello from JS! pos = ' + pos);

    ");

    env.Dispose();

}

```



**Lua**



```csharp

using Puerts;

using UnityEngine;



void Start() {

    var env = new ScriptEnv(new BackendLua());

    env.Eval(@"

        local CS = require('csharp')

        local Vector3 = CS.UnityEngine.Vector3

        local Debug = CS.UnityEngine.Debug

        local pos = Vector3(1, 2, 3)

        Debug.Log('Hello from Lua! pos = ' .. pos:ToString())

    ");

    env.Dispose();

}

```



**Python**



```csharp

using Puerts;

using UnityEngine;



void Start() {

    var env = new ScriptEnv(new BackendPython());

    env.Eval(@"

exec('''

import UnityEngine.Vector3 as Vector3

import UnityEngine.Debug as Debug

pos = Vector3(1.0, 2.0, 3.0)

Debug.Log('Hello from Python! pos = ' + pos.ToString())

''')

");

    env.Dispose();

}

```



> 💡 三种语言，同一套 API。每个示例都创建了一个 `Vector3`，然后调用 `Debug.Log` ——短短几行代码即可实现真正的 C# 互操作。



## Puerts.AI（仅 Unity）



基于 PuerTS 构建的 **Puerts.AI**，将 AI 能力直接带入 Unity——无论是编辑器还是游戏运行时。



### Unity 编辑器助手



Puerts.AI 内置了一个开箱即用的 **Unity 编辑器助手**，让你用自然语言操控 Unity 编辑器。例如：



- *"用基础 Mesh 搭建一座中世纪城堡场景"* —— AI 自动创建 GameObject、调整 Transform、设置材质

- *"分析下 puerts 相关的日志"* —— AI 智能过滤并总结日志

- *"检查当前场景有没有脚本丢失"* —— AI 遍历所有 GameObject 并报告问题



**凡是 C# 能调用的，AI 都能做到**——AI 生成的脚本运行在 PuerTS 环境中，可直接访问 `UnityEngine.*` 和 `UnityEditor.*` 的完整 API。



编辑器助手有两个版本：



| | Agent 版（内置） | MCP 版（外接） |

|:---|:---|:---|

| **使用方式** | 在 Unity 编辑器窗口内直接对话 | 从 Cursor、Windsurf、Claude Desktop 等支持 MCP 协议的 AI 工具接入 |

| **速度** | ⚡ 更快——没有网络往返 | 通过 HTTP/SSE 通信 |

| **适合场景** | 场景搭建、日常检查、快速原型 | Vibe coding 工作流——AI 一边改代码一边操控 Unity 验证效果 |



**Puerts MCP 与市面上其他 Unity MCP 方案有何不同？**



- **无需额外启动进程** —— MCP Server 直接跑在 Unity 进程内，不用另起服务

- **单工具 + 按需加载 builtin** —— 不像其他方案预注册几十个工具，Puerts MCP 只暴露一个工具，builtin 模块按需加载，更省上下文 token，但功能同样强大

- **通过 builtin 和 skill 机制拓展** —— 只需往资源目录里放文件就能添加新能力，无需改代码



### Puerts.Agent 框架



上面的编辑器助手就是用 **Puerts.Agent** 开发的——一个开放、可扩展的 LLM Agent 框架。它不仅能用于编辑器，**还能跑在游戏运行时环境中**，为 gameplay 玩法开发打开全新可能：



- 🎮 **智能 NPC Demo** —— 每个 NPC 拥有独立的 LLM Agent 实例和个性化 system-prompt。NPC 能根据玩家行为和游戏状态生成真正动态的对话，通过 C# 接口感知周围环境，并基于对话历史形成个性化的交互体验。（[SmartNPCDemo](https://github.com/chexiongsheng/SmartNPCDemo)）

- 🧩 **迷宫 AI Demo** —— AI 自主走迷宫的 Demo，展示 Agent 通过截屏观察 + 工具调用来探索 3D 迷宫。AI 截屏观察当前视野、推理可行路径、执行移动指令、再截屏验证结果——完全自主完成，整个实现仅用了两个 builtin 模块和一段 system-prompt。（[MazeRunnerDemo](https://github.com/chexiongsheng/MazeRunnerDemo)）



构建你自己的 Agent，只需创建一个简单的资源目录：



```

Resources/my-agent/

├── system-prompt.md.txt      # 告诉 AI 它是谁、该怎么做

├── skills/                   # 领域知识文档（按需加载）

└── builtins/                 # 可执行的辅助模块

```



## HOW - 我该怎么开始



* [官方文档](https://puerts.github.io)



---



## 常见问题



* [通用 faq](doc/faq.md)

* [unreal faq](doc/unreal/zhcn/faq.md)

* [unity faq](doc/unity/zhcn/faq.md)



## 最新版本安装



* [unreal](doc/unreal/zhcn/install.md)

* [unity](doc/unity/zhcn/install.md)



### 改动日志



* [unreal](doc/unreal/zhcn/changelog.md)

* [unity](unity/Assets/core/upm/changelog-hans.md)



### 已知问题与解决办法



* [unreal](doc/unreal/zhcn/bugs.md)

* [unity](doc/unity/zhcn/bugs.md)



---



## 脚本后端选择



PuerTS 支持多种脚本后端。**JavaScript/TypeScript** 可选 V8、QuickJS、Node.js；3.0 新增 **Lua** 和 **Python** 作为一等公民后端。



### JavaScript 后端



* V8（默认）：综合比较优秀，高性能，代码体积适中，仅包含 ECMAScript 规范的实现，不包含 Node.js API、浏览器 API。



* QuickJS：性能不如 V8，不支持调试，但代码体积小，适用于包体大小敏感的场景。



* Node.js：支持 Node.js API（Unreal Engine 移动平台下不支持 OpenSSL 相关 API），代码体积较大。



| JS 后端 | Node API | 性能 | 代码体积 | 调试 | 补充 |

| --- | --- | --- | --- | --- | --- |

| V8 | ❌ | `*****` | `***` | ✔️ | |

| QuickJS | ❌ | `**` | `*` | ❌ | |

| Node.js | ✔️ | `*****` | `*****` | ✔️ | OpenSSL 可能被禁用 |



### 新增语言后端（Unity 3.0 新特性！）



> **注意**：Lua 和 Python 后端目前**仅在 Unity 版本**中可用，Unreal Engine 仍仅支持 JavaScript/TypeScript。



| 后端 | 语言 | 性能 | 平台支持 | 补充 |

| --- | --- | --- | --- | --- |

| Lua | Lua 5.4 | `*****` | 全平台 | 适合已有 Lua 技术栈的团队 |

| Python | CPython | `***` | 桌面平台 | 适合 AI/ML 集成与工具链开发 |



## 可用引擎



* unreal engine 4.22 ~ latest



* unity 5 ~ latest



* 任意.net环境



## 可用平台



PuerTS的核心代码支持游戏引擎支持的所有平台，但每个脚本后端有其特有的平台要求：



|  | Window | Mac | Linux | Android | IOS | H5/小游戏|

| --- | --- | --- | --- | --- | --- |--- |

| V8 | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ❌ |

| Nodejs  | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ❌ |

| Quickjs  | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |

| Webgl  | ❌ | ❌ | ❌ | ❌ | ❌  | ✔️ |

| Lua   | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |

| Python  | ✔️ | ✔️ | ✔️ | ❌ | ❌ | ❌ |



注1： Unreal下只有V8、Nodejs、Quickjs三种后端，Unity支持以上所有脚本后端

注2： Webgl后端虽然只支持H5/小游戏，但它的脚本是运行在web环境的原生js虚拟机里，通常性能更高（比如在ios小游戏环境里支持jit），也能享受first class语言诸如方便调试，profiler等好处

注3： 对于js，不同平台可以选不同的js脚本后端，比如app选v8，H5平台选Webgl实现全平台支持且性能最优



## 技术支持



[Github Discussion](https://github.com/Tencent/puerts/discussions)



QQ群：942696334



UE4专属群：689643903



## 开发博客

[知乎专栏](https://www.zhihu.com/column/c_1355534112468402176)