Monorepo Toolkit

Complete guide for monorepo architecture covering workspace setup, build pipelines, dependency management, CI optimization, remote caching, package publishing, and polyrepo migration. Includes ready-to-use configs for Turborepo + pnpm (recommended), Nx, shared config packages (TSConfig, ESLint, Prettier), GitHub Actions CI with affected-only builds, Changesets for automated versioning and npm publishing, syncpack for version consistency, and debugging common issues like circular deps, phantom dependencies, and slow installs. Whether you are starting a new monorepo from scratch or consolidating existing repos, this skill gives your agent the complete playbook with production-tested patterns.