Open sourceTypeScript · ≈1.8k stars · GPL-3.0
Context Engineering Kit
Hand-crafted skills for higher-quality agent results
Hand-crafted Claude Code skills aimed at better agent results. They also work in OpenCode, Cursor, Antigravity and Gemini CLI, and include an open-source alternative to CodeRabbit.
Neighbours on the workbench
MDX · ≈307k stars · MIT
obra/superpowers
An agentic skills framework and software methodology that works.
Maintained by Jesse Vincent (obra)
Shell · ≈306k stars · MIT
mattpocock/skills
Small, composable agent skills for real engineering work.
Maintained by Matt Pocock (AI Hero)
JavaScript · ≈292k stars · MIT
affaan-m/ECC
Agent harness performance optimization system: skills, instincts, memory and security for coding agents.
Maintained by Affaan Mustafa
Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Maintained by · 1
- NeoLabHQOrganisation
Built on · 1
- Claude CodeProject
Similar entries · 3
- Agent ToolkitProject
- BazStartup
- planning-with-filesProject
Sources
Verified Oct 29, 2026