Universal context management and planning system. PROACTIVELY activate for: (1) ANY complex task requiring planning, (2) Multi-file projects/websites/apps, (3) Architecture decisions, (4) Research tasks, (5) Refactoring, (6) Long coding sessions, (7) Tasks with 3+ sequential steps.
Install
npx skills add JosiahSiegel/claude-plugin-marketplace --skill context-masternpx skills add JosiahSiegel/claude-plugin-marketplace --skill context-master -a claude-code -gnpx skills add JosiahSiegel/claude-plugin-marketplace --skill context-master -a codex -ggemini skills install https://github.com/JosiahSiegel/claude-plugin-marketplace.git --path plugins/context-master/skills/context-mastergh skill install JosiahSiegel/claude-plugin-marketplace context-mastergit clone --depth 1 https://github.com/JosiahSiegel/claude-plugin-marketplace /tmp/JosiahSiegel__claude-plugin-marketplace
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/JosiahSiegel__claude-plugin-marketplace/plugins/context-master/skills/context-master ~/.claude/skills/context-master # Claude Code
cp -R /tmp/JosiahSiegel__claude-plugin-marketplace/plugins/context-master/skills/context-master ~/.agents/skills/context-master # Codex, Cursor, Gemini CLI, Copilot, OpenCode