During June 2025, Julia May developed and integrated LLM-driven function calling and external tool invocation for the Shubhamsaboo/ragbits repository. She designed and implemented core library updates in Python to enable Large Language Models to identify and invoke external tools with appropriate arguments, enhancing the system’s ability to fulfill user requests programmatically. Julia also authored comprehensive documentation and usage examples in Markdown, ensuring the new feature was accessible and well-understood by users and contributors. Her work demonstrated depth in API development, LLM integration, and software design, focusing on extensibility and integration readiness rather than addressing separate bug fixes during this period.