/migration-patterns:mypy-to-ty Migrate from mypy to ty — Astral's new fast Python type checker. Replaces the pre-commit hook with a local hook using , migrates config from to , and removes . When to Use This Skill | Use this skill when... | Keep mypy when... | |------------------------|-------------------| | contains | ty does not yet support a specific mypy plugin you rely on | | section exists in | CI pipeline depends on mypy-specific exit codes or plugins | | You want faster type checking (ty is written in Rust) | Project uses mypy daemon ( ) for incremental checks | | Repo uses uv and the…