Self
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Superpowers
An agentic skills framework and software development methodology that works.
Self-hosted Tools
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Agent Skills Specification
Self
Open-source tool. Self-hosted setup.
Specification and documentation for Agent Skills.
This is the standards body for the format everything else in this list implements: the open specification behind SKILL.md-style portability across Claude Code, Codex, Cursor, and other agents, maintained under the agentskills.io banner referenced throughout the ecosystem.
- Defines the open Agent Skills specification, not a content pack
- Backing standard for the agentskills.io compatibility claims seen across this list
- Apache 2.0 licensed documentation and spec repository
- Reference point for anyone building a new skill-authoring tool
Things 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.
- Caution: You might need capable hosting or a VPS
- Caution: Setup requires technical experience
- Caution: You manage updates and patches
- Caution: Security and backups are your job
- Caution: Uptime depends on your server
- Caution: Scaling may need extra work
More from AI Skills
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Anthropic Skills
Public repository for Agent Skills.
Self
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UI/UX Pro Max Skill
An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.
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Agent Skills by Addy Osmani
Production-grade engineering skills for AI coding agents.