Worked on the crewAIInc/crewAI-tools repository to deliver a targeted Pydantic compatibility update for the EXASearchTool module. Addressed upcoming deprecations by replacing Field extra arguments with json_schema_extra, ensuring continued support for newer Pydantic versions while maintaining existing tool behavior. Developed and integrated a regression test to confirm that importing crewai_tools does not trigger Pydantic deprecation warnings, thereby reducing future maintenance risks. The work focused on Python-based tool development and testing, emphasizing low-risk, well-scoped changes that improve maintainability and future-proof the codebase. All updates were validated end-to-end to ensure stability and seamless integration into production environments.