https://github.com/anthropics/claude-code/tree/main/plugins
https://github.com/hegeldev/hegel-skill
/plugin marketplace add hegeldev/hegel-skill /plugin install hegel-skill@hegeldev-hegel-skill
https://github.com/Roeia1/SAGA
https://github.com/hmohamed01/Claude-Code-Scaffolding-Skill
https://github.com/hesreallyhim/awesome-claude-code
https://jeffallan.github.io/claude-skills/skills/language/rust-engineer/
https://github.com/sadjow/claude-code-nix
https://jrdsgl.com/how-to-setup-claude-cli-and-mcp-nixos-on-nixos/