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nuclear

Free

Streaming music player that finds free music for you

Model APIsFreeFree tier
Type
Open Source
Founded
2016
Visit Website GitHub (17.4k stars)

About nuclear

Nuclear is a free, open-source music player for desktop platforms (macOS, Windows, Linux). It allows users to search for music across multiple online sources, build and manage playlists, and customize the interface with built-in themes. The player supports extensibility through a plugin API and includes a built-in Model Context Protocol (MCP) server, enabling AI agents to control playback, search, and queue management. While powerful and community-driven, user feedback notes performance issues such as high memory usage and playback errors, as well as legal uncertainties regarding content sourcing.

Key Features

Search across multiple online music sources with plugin-based extensibility
Create, reorder, rename, and import/export playlists (including from JSON)
Built-in themes for visual customization
Powerful plugin API for extending functionality
Built-in MCP (Model Context Protocol) server for AI agent control of playback, search, queue, and playlists
Auto-update and comprehensive settings with log viewer for debugging
Desktop only: macOS, Windows, Linux

Pros & Cons

Pros
  • Completely free and open-source with no cost or subscriptions
  • Multi-source search aggregates content from different platforms
  • Plugin API allows users to extend functionality and add sources
  • AI integration via MCP server enables novel use cases like voice-controlled playback
  • Cross-platform desktop support for major operating systems
Cons
  • Performance can be slow and resource-intensive (e.g., 300MB RAM usage reported)
  • Frequent playback errors and JavaScript console errors in user reports
  • Electron-based application may feel bloated and not fully responsive
  • Legal concerns regarding free streaming from sources without explicit artist compensation
  • Not available on mobile or web platforms

Best For

Finding and playing music from various online sources without a local libraryCurating and managing playlists for personal listening or sharingIntegrating music playback control with AI assistants via MCPExtending player capabilities through community plugins

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FAQ

Is Nuclear free to use?
Yes, Nuclear is completely free and open-source. There are no paid tiers or hidden costs.
Does Nuclear work on mobile devices?
No, Nuclear is a desktop-only application. It supports macOS, Windows, and Linux, but not mobile operating systems.
Can an AI agent control Nuclear?
Yes, Nuclear includes a built-in Model Context Protocol (MCP) server that allows compatible AI agents (e.g., Claude Desktop, Cursor) to control playback, search, and playlist management.
Where does Nuclear get its music?
Nuclear aggregates music from multiple online sources, and more sources can be added via plugins. The exact sources are not explicitly listed on the website, and some users have raised legal concerns about the legality of the streams.