Nick Levine developed Claude Model Family Support for the safety-research/safety-tooling repository, enabling seamless recognition and integration of the Claude 4 and 4.1 model series. He updated the ANTHROPIC_MODELS dictionary and introduced configuration changes to streamline model evaluation and deployment, reducing manual setup for new models. Using Python, Nick focused on API integration and model configuration, leveraging dictionary-based registries and commit-based traceability to ensure maintainable updates. His work improved model compatibility and accelerated onboarding for the latest Claude models. While the project scope was focused, the solution addressed a clear need for extensible model support within the safety-tooling codebase.