AI article
How AI Actually Calls an API? Tool Calling Explained from Scratch
Community description: In the previous post, we taught a model to read our documents. It could search a pile of files and...
Dev.to | Sep 16, 2026 | Rohini Gaonkar
Automated excerpt
The model decides: can I answer this myself, or do I need a tool? Now the model has two tools - weather and date. The mental model is enough for now: tool calling is how one model uses a tool, and MCP is how any model discovers and uses tools.
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