Gyungrai Wang refactored the Ministral parser in the ollama/ollama repository to support nested tool calls by implementing a brace-nesting counter, addressing a parsing bug that previously caused misinterpretation of complex input structures. Drawing on Go programming and parser development expertise, Gyungrai aligned the parser’s design with the qwen3-coder approach, which improved both reliability and future extensibility. The enhancement increased testability at the event level, enabling more robust unit testing and safer speculative decoding. This work deepened the parser’s capability to handle multi-level workflows, contributing to more reliable automation and laying groundwork for further improvements in parsing logic.