nullPlayer is a free open source macOS media player with some unique features
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Skill Claude CodeCodex
UI testing mode, accessibility identifiers, and testing workflows. Use when writing tests, adding testable UI elements, or understanding test structure and philosophy.
Skill Claude CodeCodex
Implementation reference for NullPlayer's Tripex visualization engine — the MIT-licensed port of ben-marsh/tripex (Winamp-era D3D9 3D visualizer, 25 effects) onto macOS as a ProjectM-peer engine. Covers the CTripexCore C ABI, upstream-vs-port file split, OpenGL 3.2 renderer subclass, audio ring buffer, threading…
Skill Claude CodeCodex
Coordinate systems, scaling architecture, hit testing, skin sprite rendering, window layout, and Compact Mode for NullPlayer's UI. Use when working on window scaling, skin rendering, coordinate transforms, visual layout, compact/status-item windows, or playlist/marquee text rendering.
Skill Claude CodeCodex
User-facing features, menus, keyboard shortcuts, and functionality overview. Use when documenting features, understanding user workflows, or explaining capabilities to users.
Skill Codex
Comprehensive implementation and profile reference for NullPlayer's visclassic mode (CVisClassicCore, VisClassicBridge, SpectrumAnalyzerView integration, menu/keyboard controls, transparent-background behavior, persistence keys, and bundled INI profiles). Use when modifying visclassic rendering behavior, profile…
Skill Claude CodeCodex
Index of NullPlayer's visualization systems. Use this to discover which sub-skill covers the specific visualizer you're working on (main window vis, spectrum window, album art, ProjectM/MilkDrop, Geiss, Tripex, visclassic, Metal mode internals).
Skill Claude CodeCodex
YouTube channel uploads in the Radio tab — browse channels, download audio (FLAC / MP3) or video (720p / 1080p) ad-free, store in a user folder, and play/cast locally. Use when working on YouTube source UI, channel/video listing, downloads, manifest tracking, or format settings.
Skill Claude CodeCodex
NullPlayer session-state restoration, AppStateManager, AppPersistence edition scoping, and reset paths. Use when adding a persisted preference, changing launch restoration, or working on custom editions.
Skill Claude CodeCodex
Original skin engine, skin.json schema, element catalog, and custom skin creation. Use when creating or modifying Original skins, working on ModernSkin components, or adding UI elements to the Original system.
Skill Claude CodeCodex
Capture one centred main-window screenshot per skin across every skin system (Classic, Original, Original-Metal, Modern/.wal) and assemble them into a fixed-duration slideshow GIF. Use when producing marketing imagery, a skin gallery, or any before/after visual comparison across the skin corpus.
Skill Claude Code
Produce a structured compatibility report for one Winamp Modern (.wal) skin — capabilities, supported/unsupported features, per-surface implementation status, open questions, and a grade.
Skill Claude CodeCodex
Winamp 5.x .wal skin engine — Wasabi XML/XUI renderer, MAKI bytecode VM, VFS mounts, component hosting, and the ClassicPro engine import. Use when working on the WinampModern subsystem, debugging a .wal skin that fails to load or renders wrong, or extending Wasabi/MAKI coverage, or triaging compatibility across many…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: