Tool Calling, Explained: How AI Agents Decide What to Do Next

📰 Dev.to AI

Learn how AI agents decide what to do next using tool calling, enabling them to perform real actions in the world

intermediate Published 22 Jun 2026
Action Steps
  1. Understand the concept of tool calling and its role in AI agent decision-making
  2. Explore how large language models enable tool calling, allowing AI agents to interact with software in a more fluid way
  3. Learn how to design and implement tool calling in AI agents to perform real actions, such as querying databases
  4. Configure AI agents to use tool calling to automate tasks and workflows
  5. Test and evaluate the effectiveness of tool calling in AI agents
Who Needs to Know This

Developers and AI engineers can benefit from understanding tool calling to build more powerful AI agents, while product managers can leverage this knowledge to design more effective AI-powered workflows

Key Insight

💡 Tool calling enables AI agents to step outside their training data and perform real actions, transforming how we interact with software

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🤖 AI agents can now perform real actions in the world using tool calling! 💻 Learn how they decide what to do next #AI #ToolCalling

Key Takeaways

Learn how AI agents decide what to do next using tool calling, enabling them to perform real actions in the world

Full Article

Tool Calling, Explained: How AI Agents Decide What to Do Next Large language models have transformed how we interact with software, moving us from rigid command-line interfaces to fluid, natural-language conversations. Yet the most powerful shift happening right now is not just what these models say, but what they do . Modern AI agents are increasingly capable of stepping outside the confines of their training data to perform real actions in the world—querying databases, bo
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