Day 23: Tool Use and Function Calling — Connecting LLMs to APIs, Databases and Shells
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By default a language model is an isolated reasoning engine. It cannot read the current time, query your private database or run a command. Function calling , also called tool use, is the bridge that connects that engine to real systems, so the model becomes a router that decides what to call while…
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- 2026-10-23 17:57 · DEV Community — AI
Day 23: Tool Use and Function Calling — Connecting LLMs to APIs, Databases and Shells