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Tools, function calling and MCP
How a model that only writes text can search, calculate and act.
13 min 75 XP🌍 Practitioners
Step 1 of 8
A language model can only do one thing: produce text. It cannot browse the web, read your calendar or run code by itself. Tools change that. The app tells the model which tools exist, and the model can reply with a request to use one.