Open sourceShell · ≈3.0k stars · MIT

Web Quality Skills

Name: Web Quality Skills
Author: addyosmani

Lighthouse and Core Web Vitals skills by Addy Osmani

addyosmani/web-quality-skills

Maintained by addyosmani

Agent skills for optimising web quality using Lighthouse and Core Web Vitals.

MDX · ≈307k stars · MIT

obra/superpowers

An agentic skills framework and software methodology that works.

Maintained by Jesse Vincent (obra)

4 pros · 4 cons

Shell · ≈306k stars · MIT

mattpocock/skills

Small, composable agent skills for real engineering work.

Maintained by Matt Pocock (AI Hero)

4 pros · 4 cons

JavaScript · ≈292k stars · MIT

affaan-m/ECC

Agent harness performance optimization system: skills, instincts, memory and security for coding agents.

Maintained by Affaan Mustafa

4 pros · 4 cons

Connections

Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.

Maintained by · 1

Similar entries · 1

Verified Oct 29, 2026