Apply Miller's Law — chunk information into groups of ~4 to work within working memory limits.
Install
npx skills add Infrasity-Labs/dev-gtm-claude-skills --skill millers-lawnpx skills add Infrasity-Labs/dev-gtm-claude-skills --skill millers-law -a claude-code -gnpx skills add Infrasity-Labs/dev-gtm-claude-skills --skill millers-law -a codex -ggemini skills install https://github.com/Infrasity-Labs/dev-gtm-claude-skills.git --path product-designers/millers-lawgh skill install Infrasity-Labs/dev-gtm-claude-skills millers-lawgit clone --depth 1 https://github.com/Infrasity-Labs/dev-gtm-claude-skills /tmp/Infrasity-Labs__dev-gtm-claude-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Infrasity-Labs__dev-gtm-claude-skills/product-designers/millers-law ~/.claude/skills/millers-law # Claude Code
cp -R /tmp/Infrasity-Labs__dev-gtm-claude-skills/product-designers/millers-law ~/.agents/skills/millers-law # Codex, Cursor, Gemini CLI, Copilot, OpenCode