Developed an environment-based startup configuration system for Claude models in the zed-industries/claude-code-acp repository, enabling provider-agnostic deployments with AWS Bedrock compatibility. Focused on decoupling model selection from code by implementing robust environment variable parsing and startup initialization logic using TypeScript and Node.js. This approach allowed operators to specify provider-specific model IDs through environment variables, streamlining configuration changes without requiring redeployment. Comprehensive tests and documentation were added to ensure reliability and guide users through provider nuances. The work emphasized maintainability and deployment flexibility, laying the foundation for seamless multi-provider support while maintaining a strong focus on full stack development and testing.