Expert-level SQL database design, querying, optimization, and administration across PostgreSQL, MySQL, and SQL Server
Install
npx skills add personamanagmentlayer/pcl --skill sql-expertnpx skills add personamanagmentlayer/pcl --skill sql-expert -a claude-code -gnpx skills add personamanagmentlayer/pcl --skill sql-expert -a codex -ggemini skills install https://github.com/personamanagmentlayer/pcl.git --path stdlib/data/sql-expertgh skill install personamanagmentlayer/pcl sql-expertgit clone --depth 1 https://github.com/personamanagmentlayer/pcl /tmp/personamanagmentlayer__pcl
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/personamanagmentlayer__pcl/stdlib/data/sql-expert ~/.claude/skills/sql-expert # Claude Code
cp -R /tmp/personamanagmentlayer__pcl/stdlib/data/sql-expert ~/.agents/skills/sql-expert # Codex, Cursor, Gemini CLI, Copilot, OpenCode