Pyright Type Checker

Pyright is Microsoft's fast Python type checker that powers VS Code's Pylance extension. It's noticeably faster than mypy and offers three strictness modes (basic, standard, strict) that you can dial up as your codebase matures. The configuration is straightforward through pyrightconfig.json, and it handles modern Python typing features well, including protocol structural typing, TypeGuard narrowing, and ParamSpec. If you're already using VS Code, you've probably got it running without realizing it. The Node.js dependency catches some people off guard, but the speed gains make it worth the extra runtime. Good CI integration examples included, and the migration guide from mypy actually maps the config options clearly.

Install to Claude Code

npx -y skills add bobmatnyc/claude-mpm-skills --skill pyright-type-checker --agent claude-code