Atharv S. developed pickle support for the PDBTool class in the microsoft/debug-gym repository, enabling robust serialization and persistence of tool state. Using Python and object-oriented programming principles, Atharv implemented custom __getstate__ and __setstate__ methods to safely exclude non-serializable attributes such as _session and current_frame_file during serialization. To ensure reliability, Atharv created a dedicated test, test_pdbtool_pickle_roundtrip, which verifies that PDBTool instances can be serialized and deserialized without loss of state. This work improved the maintainability and reliability of PDBTool, supporting distributed workflows and enhancing debugging reproducibility through better state management and automated testing.