
Agent Skills by Addy Osmani
Production-grade engineering skills for AI coding agents.

Open-source tool. Self-hosted setup.
Built by Jesse Vincent (obra), Superpowers is the reference implementation for teaching coding agents durable, reusable working habits instead of one-off prompts. It packages a disciplined engineering methodology — brainstorming, TDD, systematic debugging, code review — into skills the agent invokes on its own, and it is the most-starred entry in the entire agent-skills ecosystem.
writing-skills meta-skill so teams can extend the framework with their own house rulesThings to Know About Self-Hosted
Self-hosted tools are open-source apps you install on your own server to replace SaaS products. You get full control and often zero license cost, but you're responsible for setup, security, backups, and uptime.

Production-grade engineering skills for AI coding agents.

The first open-source agent skills builder, defining skills by workflow rather than static prompts.

A curated collection of 1000+ agent skills from official dev teams and the community, compatible with Claude Code, Codex, Gemini CLI, Cursor, and more.

Claude skill: multi-source content processor for NotebookLM, supporting WeChat articles, web pages, YouTube, PDF, Markdown, and search queries.

Generate draw.io diagrams from natural language across 11 presets including UML, SysML/MBSE, BPMN, network, and C4.

Unified real-time search engine skill for AI agents, supporting general web search, vertical domain search, and parallel batch search.

PM Skills Marketplace: 100+ agentic skills, commands, and plugins from discovery to strategy, execution, launch, and growth.

Distills books, long videos, and podcasts into high-value, executable Agent Skills.

AI Skills collection open-sourced by the 'Digital Life' creator Khazix, including leader, neat-freak, hv-analysis, and khazix-writer.