During the month, contributed to backend improvements and documentation enhancements across the shardeum-validator-gui and shardeum/json-rpc-server repositories. Focused on API development and external API integration using TypeScript and Node.js, expanded the JSON-RPC server’s capabilities by adding endpoints for network information, account details, and cycle data, while standardizing numerical formatting to hexadecimal for consistency. Improved onboarding and contributor experience by refreshing documentation, clarifying setup instructions, and reorganizing community resources. These updates supported better monitoring, data consistency, and developer productivity, resulting in more reliable tooling and streamlined integration processes without introducing new bug fixes during the period.