Sean Bray contributed to the burnt-labs/xion.js and burnt-labs/contracts repositories by delivering four features focused on configuration management, API development, and documentation. He integrated Cloudflare into a Next.js demo app, modernizing architecture by migrating API routes to the Next.js App Router and consolidating configuration patterns for scalable deployment. Using TypeScript and JavaScript, Sean improved maintainability and onboarding through environment variable management and repository hygiene updates. In burnt-labs/contracts, he enhanced contract configurability by updating contracts.json and documenting the MetaAccount v3 release, providing clearer version traceability. His work demonstrated depth in configuration management and technical documentation without introducing new bugs.