Build LangChain LCEL, tool, and retrieval workflows with explicit memory boundaries and application structure.
Install
npx skills add alivirgo/Major-AI-Skills --skill langchainnpx skills add alivirgo/Major-AI-Skills --skill langchain -a claude-code -gnpx skills add alivirgo/Major-AI-Skills --skill langchain -a codex -ggemini skills install https://github.com/alivirgo/Major-AI-Skills.git --path skills/langchaingh skill install alivirgo/Major-AI-Skills langchaingit clone --depth 1 https://github.com/alivirgo/Major-AI-Skills /tmp/alivirgo__Major-AI-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/alivirgo__Major-AI-Skills/skills/langchain ~/.claude/skills/langchain # Claude Code
cp -R /tmp/alivirgo__Major-AI-Skills/skills/langchain ~/.agents/skills/langchain # Codex, Cursor, Gemini CLI, Copilot, OpenCode