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How I Built an AI Agent with LLM Function Calling (and Avoided Unnecessary Tool Calls)

This story is from 2026-10-01. It is preserved in the archive; the latest stories are on the live feed.

1. Introduction When I first started building my AI-powered course recommendation system, I thought integrating an LLM with backend APIs would be straightforward. However, I quickly ran into a key problem: The model was calling backend APIs almost every time—even when it wasn’t necessary. This led…

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  1. 2026-10-01 00:40 · DEV Community — AI
    How I Built an AI Agent with LLM Function Calling (and Avoided Unnecessary Tool Calls)

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