What problem does it solve? Setting up consistent AI coding rules across projects is repetitive and error-prone. This Skill detects your project's language and tooling, then installs a curated set of development rules either as individual rule files or injected into CLAUDE.md with idempotent sentinel blocks. ## Core Features & Use Cases - Context-aware rule selection: Scans for Python, TypeScript, JavaScript, Rust, Go, C++, Java, git, and pre-commit signals to pick relevant rules on top of a universal baseline set. - Two delivery modes: Write rule files into .claude/rules/ (with path-scoped frontmatter preserved) or inject sentinel-wrapped blocks into CLAUDE.md for clean re-runs and uninstalls. - Safe lifecycle management: Supports --force overwrites, mode-aware --uninstall, an approval gate before any CLAUDE.md modification, and persistent state tracking in .mz/task/. - Use Case: Onboarding a new Python project — run the skill and it detects pyproject.toml, installs universal rules plus Python strict-typing and pre-commit conventions, and reports exactly what was installed, replaced, or skipped. ## Quick Start Ask the assistant to set up development rules for this project, for example by saying "init rules for this project" or "install coding rules globally into CLAUDE.md".