Treicy Sanchez delivered cross-repository CI/CD security hardening for the Microsoft Graph SDKs by upgrading the create-github-app-token GitHub Action to version 3 in the msgraph-sdk-dotnet, msgraph-sdk-go, msgraph-sdk-java, and msgraph-sdk-typescript repositories. This work standardized token management and improved build reliability across Go, Java, and TypeScript SDKs. By aligning with Dependabot-managed dependencies and updating CI workflows, Treicy reduced maintenance risk and build-time failures. The approach focused on enhancing GitHub App token generation security and accelerating cross-language development. The depth of the work is reflected in the consistent application of DevOps best practices and continuous integration improvements across multiple codebases.