OSS AI Skills Collection

A comprehensive collection of AI assistant skills (SKILL.md files) following the skillreg.dev specification, designed to help contribute to and extend open-source projects (for plugins).

What is this?

This repository provides reusable skill definitions that can be loaded into AI coding assistants. Each skill encapsulates domain knowledge, best practices, and workflows for specific tasks in open-source development.

Available Skills

Contribute

Skill	Description	Lines	Tags
WordPress	Contribute to WordPress core - hooks system, coding standards, database API, REST API, testing, Trac workflow	1,387	wordpress, php, cms, open-source, core-contribution

Extend

Skill	Description	Lines	Tags
Firefox Extension	Build WebExtensions for Firefox - MV2/MV3, APIs, web-ext, AMO publishing	796	firefox, webextension, browser-extension, mozilla, amo, manifest-v3
Thunderbird Extension	Build MailExtensions for Thunderbird - messenger.* APIs, compose, ATN	1,067	thunderbird, mailextension, email-extension, mozilla, atn, messenger-api
KDE Plasmoid	Build Plasma widgets - Python backend, QML UI, Plasma 6+	749	kde, plasma, plasmoid, widget, qml, qt, desktop
Vagrant	Development environments - providers, provisioners, multi-machine, plugins, troubleshooting	1,097	vagrant, virtualization, devops, virtualbox, infrastructure
OpenCode Plugin	Develop plugins, tools, and extensions for OpenCode AI agent - MCP, tools, SDK	976	opencode, plugin, ai-agent, mcp, tool-development
GIMP Plugin	GIMP 3.0+ plugins with Python 3 - GEGL operations, image manipulation, UI dialogs	1,156	python, gimp, image-processing, graphics, plugin, gegl
mGBA Scripting	Lua scripting for mGBA emulator - game automation, memory hacking, cheats, callbacks	~800	lua, emulator, gba, gameboy-advance, scripting, memory-hacking
OpenRCT2 Plugin	JavaScript/TypeScript plugins for OpenRCT2 - game actions, UI windows, hooks, multiplayer	877	openrct2, plugin, javascript, typescript, game-modding, rollercoaster-tycoon
Kate Plugin	Develop C++ plugins for Kate text editor - KTextEditor interface, CMake, Qt widgets	~600	kate, kde, text-editor, plugin, c++, qt, kde-frameworks

Frameworks

Skill	Description	Lines	Tags
Qt C++	Cross-platform desktop apps - signals/slots, QML, threading, CMake, deployment	1,204	qt, c++, gui, desktop, qt6, cmake, cross-platform, qml
PyQt	Desktop applications - PyQt5/PyQt6/PySide6, widgets, signals, layouts, threading, testing	1,941	python, qt, pyqt, pyside, gui, desktop, hub
↳ pyqt-core	QtCore fundamentals - signals, slots, properties, timers, settings, file I/O	487	python, qt, pyqt, core, signals
↳ pyqt-widgets	QtWidgets - buttons, inputs, containers, item views, layouts	610	python, qt, pyqt, widgets, gui
↳ pyqt-threading	Threading - QThread, QThreadPool, QTimer, thread safety	439	python, qt, pyqt, threading, concurrency
↳ pyqt-dialogs	Dialogs - QFileDialog, QMessageBox, custom dialogs	409	python, qt, pyqt, dialogs, ui
↳ pyqt-testing	Testing - pytest-qt, qtbot, waitSignal, fixtures	444	python, qt, pyqt, testing, pytest
↳ pyqt-styling	QSS styling - selectors, properties, dark theme	668	python, qt, pyqt, styling, qss, css
pygame	Python 2D game development - sprites, surfaces, events, sound, fonts, game loops, collision	549	python, game-development, 2d-games, pygame, graphics
ratatui	Rust TUI framework - terminal UI, widgets, layouts, event handling, cross-platform	651	rust, tui, terminal, cli, user-interface
Django	Web applications - ORM, views, DRF, middleware, caching, async views, deployment	1,464	python, django, web-framework, orm, rest-api, drf, async
Django Ninja	Fast REST APIs with Pydantic - schemas, authentication, pagination, OpenAPI docs	1,869	python, django, rest-api, pydantic, openapi, type-safe
Tailwind CSS	Utility-first CSS framework - responsive design, dark mode, component patterns	1,751	css, frontend, responsive, design-system, utility-first
Celery	Distributed task queue - Redis/RabbitMQ brokers, periodic tasks, Django integration	1,250	python, task-queue, async, distributed, celery
pytest	Python testing framework - fixtures, parametrization, mocking, plugins, Django/Flask	1,001	python, testing, tdd, fixtures, unit-test
httpx	Modern async HTTP client - sync/async API, HTTP/2, connection pooling, retries	~1,500	python, http, async, client, network
aiohttp	Async HTTP server/client - WebSocket, SSE, middleware, streaming	~1,700	python, http, async, server, websocket, sse
Pydantic	Data validation - type hints, models, serialization, settings, FastAPI	~1,700	python, validation, pydantic, serialization, settings
SQLAlchemy	Python SQL toolkit and ORM - queries, relationships, async, Alembic migrations	1,179	python, orm, database, sql, alembic, async
LlamaIndex	LLM applications - RAG, retrievers, agents, vector stores, streaming, evaluation	1,130	python, llm, rag, llamaindex, ai, vector-store, agents
TurboDRF	Fast Django REST framework - automatic OpenAPI, caching, JWT auth	~600	python, django, rest-api, openapi, fast
django-allauth	Django authentication - local accounts, OAuth, email verification, MFA	~700	python, django, authentication, oauth, mfa
BPCore Engine	Lua game framework for GBA - sprites, entities, collision, audio, multiplayer	~1,100	lua, gba, game-engine, gameboy-advance

Contribute

Skill	Description	Tags
WordPress	Contribute to WordPress core (hooks, coding standards, Trac workflow)	wordpress, php, cms, open-source, core-contribution

Skill Format

Each skill follows the skillreg.dev specification:

---
name: skill-name
description: Short description of the skill
metadata:
  author: Author Name
  version: 1.0.0
  tags:
    - tag1
    - tag2
---

# Skill Title

[Markdown content with guidelines, examples, references...]

How to Use

1. Browse available skills in the contribute/, extend/, or frameworks/ directories
2. Copy the SKILL.md to your project or load it into your AI assistant
3. Reference the skill when asking for help with that domain
4. Customize as needed for your specific project