https://github.com/eurekascratch/eureka

💡 Universal Scratch Extension Loader.
https://github.com/eurekascratch/eureka

chibi eureka scratch scratch-extension userscript

Last synced: 3 days ago
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💡 Universal Scratch Extension Loader.

• Host: GitHub
• URL: https://github.com/eurekascratch/eureka
• Owner: EurekaScratch
• License: agpl-3.0
• Created: 2023-09-16T15:09:13.000Z (over 2 years ago)
• Default Branch: trunk
• Last Pushed: 2025-10-15T10:27:08.000Z (3 months ago)
• Last Synced: 2025-10-16T03:22:37.848Z (3 months ago)
• Topics: chibi, eureka, scratch, scratch-extension, userscript
• Language: TypeScript
• Homepage: https://eureka.codingclip.cc/
• Size: 5.06 MB
• Stars: 39
• Watchers: 2
• Forks: 9
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          




# Eureka

#### Universal Scratch extension loader



---

Eureka is a userscript which can load 3rd-party extensions in any Scratch-based editors (theoretically).

# ✨ Features

- [x] Sideload 3rd-party extensions in nearly-all Scratch-based editors

- [x] Without break existing things - everyone still can open your projects!

- [x] Extended Extension API

- [x] Friendly built-in dashboard

# 🔧 Compatibility

*Here's the refactored version of Eureka, Many platform still left untested. You can choose the legacy (version <= 8.1) Eureka or open an issue for the compatibility problem you faced in those untested platforms!*

| Platform                        | Load extension manually | Convert sideloaded blocks | Load extension from eureka-ify projects | Extended Scratch context | No mixin conflicts |

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

| Scratch                         | ✅                      | ✅                       | ✅                                      | ✅                      | ✅                |

| Scratch(Spork)                  | ✅                      | ✅                       | ✅                                      | ✅                      | ✅                |

| Codingclip                      | ✅                      | ✅                       | ☣️(1)                                   | ✅                      | ❓                |

| Cocrea                          | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| Aerfaying (阿儿法营)             | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| Co-Create World (共创世界)       | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| Xiaomawang (小码王)              | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| CodeLab                         | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| 40code                          | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| TurboWarp                       | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| Xueersi (学而思)                 | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| Creaticode                      | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| Adacraft                        | ✅                      | ✅                       | ✅                                      | ✅                       | ❓               |

| PenguinMod                      | ✅                      | ✅                       | ❌                                      | ✅                      | ❓                |

| ElectraMod                      | ✅                      | ✅                       | ❌                                      | ✅                      | ❓                |

| XPLab                           | ✅                      | ✅                       | ❌                                      | ✅                      | ❓                |

| MistWarp                        | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

| Unsandboxed                     | ✅                      | ✅                       | ✅                                      | ✅                      | ❓                |

(1): The initialize of the sideloaded blocks in workspace are broken

# 🧵 Why my extensions don't works?

Eureka is the glue that makes it all work by independently implementing a Scratch extension loading system in a non-sandboxed environment. But Eureka doesn't completely eliminate the problems that come with different environments - as a prime example, the extension tries to read either a vm or a blocks instance. If your extension doesn't work, check to see if the extension modifies something specific to the Scratch mod, and try to report it to the extension's author.

# 📦 Installation

1. Install UserScript Manager like Tampermonkey or Violentmonkey.

2. Install Eureka from [Github Releases](https://github.com/EurekaScratch/eureka/releases).

3. Enjoy!!

# ⚓ License

AGPL-3.0, see [LICENSE](./LICENSE).