Open in Seanime

A browser extension and userscript that adds a native "Open in Seanime" button to MyAnimeList and AniList anime and manga pages.

Preview

MyAnimeList	AniList

Features

• 🔗 One-click access — Open any anime or manga directly in your local Seanime instance
• 🔄 Automatic ID conversion — Converts MAL IDs to AniList IDs using the AniList GraphQL API
• 🌐 Multi-site support — Works on both MyAnimeList and AniList
• 🎨 Native integration — Button styling matches each site's theme seamlessly
• ⚙️ Configurable — Customize your Seanime URL and port in the options page

Installation

From Source (Developer Mode)

1. Download or clone this repository
2. For Chrome/Edge:
   • Rename manifest.chrome.json to manifest.json (replacing the default one) OR use the build script.
3. Open browser and navigate to chrome://extensions (Chrome/Edge) or about:debugging (Firefox)
4. Click Load unpacked (Chrome) or Load Temporary Add-on... (Firefox)
5. Select the Open in Seanime folder (select manifest.json for Firefox)

Building Packages

This repository contains a build.py script to generate browser-specific zip files for distribution.

1. Ensure you have Python installed.
2. Run: python build.py
3. This will generate:
   • open-in-seanime-firefox.zip (Uses default manifest.json)
   • open-in-seanime-chrome.zip (Uses manifest.chrome.json)

Browser Compatibility

Browser	Manifest File	Background Type
Firefox	manifest.json (Default)	Background Script
Chrome/Edge	manifest.chrome.json	Service Worker

Userscript Installation (Tampermonkey/Violentmonkey)

If you prefer to use a userscript instead of the browser extension:

1. Install Tampermonkey or Violentmonkey
2. Click on open-in-seanime.user.js in this repository
3. Click Raw button on GitHub - your userscript manager will prompt to install
4. Configure settings via the userscript manager menu (default: http://127.0.0.1:43211)

Configuration

Browser Extension

1. Right-click the extension icon → Options (or go to chrome://extensions → Open in Seanime → Details → Extension options)
2. Set your Seanime URL (default: http://127.0.0.1)
3. Set your Seanime Port (default: 43211)
4. Click Save Settings

Userscript

1. Click the Tampermonkey/Violentmonkey icon in your browser
2. Select Open in Seanime Settings from the menu
3. Configure your Seanime URL and port
4. Click Save and Close

Usage

1. Navigate to any anime or manga page on:
   • MyAnimeList: https://myanimelist.net/anime/... or https://myanimelist.net/manga/...
   • AniList: https://anilist.co/anime/... or https://anilist.co/manga/...
2. Look for the "Open in Seanime" button in the sidebar
3. Click to open the entry in your Seanime instance

How It Works

MAL Page → Extract MAL ID → Query AniList API (Anime/Manga) → Get AniList ID → Open Seanime
AniList Page → Extract AniList ID directly → Open Seanime

Credits

• Inspired by Stremio Movie Search
• Button placement logic adapted from Nyaa Linker
• Built for use with Seanime

License

MIT License - see LICENSE file for details.