Statistical Process Control (SPC) — select the correct control chart, interpret out-of-control signals using Western Electric rules, calculate and interpret Cp, Cpk, Pp, Ppk. Use when setting up SPC for a new characteristic, interpreting control chart signals, responding to special cause variation, or auditing SPC implementation. Covers AIAG SPC 2nd edition and IATF 16949 §8.3.3.
Install
npx skills add RBraga01/Quality-Engineering-Skills --skill spc-control-chartsnpx skills add RBraga01/Quality-Engineering-Skills --skill spc-control-charts -a claude-code -gnpx skills add RBraga01/Quality-Engineering-Skills --skill spc-control-charts -a codex -ggemini skills install https://github.com/RBraga01/Quality-Engineering-Skills.git --path skills/measurement/spc-control-chartsgh skill install RBraga01/Quality-Engineering-Skills spc-control-chartsgit clone --depth 1 https://github.com/RBraga01/Quality-Engineering-Skills /tmp/RBraga01__Quality-Engineering-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/RBraga01__Quality-Engineering-Skills/skills/measurement/spc-control-charts ~/.claude/skills/spc-control-charts # Claude Code
cp -R /tmp/RBraga01__Quality-Engineering-Skills/skills/measurement/spc-control-charts ~/.agents/skills/spc-control-charts # Codex, Cursor, Gemini CLI, Copilot, OpenCode