System maintenance with three core operations - integrity check (find/fix broken references), document session (current transcript), document recent (catch-up since last update). Plus security workflows.
Install
npx skills add danielmiessler/LifeOS --skill systemnpx skills add danielmiessler/LifeOS --skill system -a claude-code -gnpx skills add danielmiessler/LifeOS --skill system -a codex -ggemini skills install https://github.com/danielmiessler/LifeOS.git --path Releases/v2.3/.claude/skills/Systemgh skill install danielmiessler/LifeOS systemgit clone --depth 1 https://github.com/danielmiessler/LifeOS /tmp/danielmiessler__LifeOS
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/danielmiessler__LifeOS/Releases/v2.3/.claude/skills/System ~/.claude/skills/system # Claude Code
cp -R /tmp/danielmiessler__LifeOS/Releases/v2.3/.claude/skills/System ~/.agents/skills/system # Codex, Cursor, Gemini CLI, Copilot, OpenCode