To bridge the gap between static model knowledge and rapidly evolving software practices, Google DeepMind developed a « Gemini API developer skill » that provides agents with live documentation and SDK guidance. Evaluation results show a massive performance boost, with the gemini-3.1-pro-preview model jumping from a 28.2% to a 96.6% success rate when equipped with the skill. This lightweight approach demonstrates how giving models strong reasoning capabilities and access to a « source of truth » can effectively eliminate outdated coding patterns.