Building Reliable AI Agents with Tool Calling and Structured Output in 2026
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Last Updated on August 3, 2026 by Editorial Team Author(s): CodeInsights Originally published on Towards AI. Why Tool Calling Matters More Than Ever Tool calling has become one of the most important capabilities for building production-grade AI agents. While early agents relied heavily on prompting and chain-of-thought reasoning, modern agents increasingly depend on structured tool usage to interact with external systems reliably. After the lead-in, the article explains why tool calling is essen
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