Ahmet delivered cross-repository enhancements to the GraphQL ecosystem within WunderGraph, focusing on preserving operation and fragment descriptions in graphql-go-tools and improving end-to-end header forwarding in cosmo. He extended the GraphQL AST and parser in Go to support the September 2025 specification, ensuring accurate metadata propagation and rendering. In cosmo, he refactored the MCP server to prioritize operation descriptions and validated header propagation with comprehensive tests. Documentation in cosmo-docs was updated to clarify header forwarding and describe AI-driven data access. Ahmet’s work demonstrated depth in Go, GraphQL, and backend development, resulting in robust interoperability and improved developer experience.