What is tool calling? Letting a café chatbot look up orders
What is tool calling and how does it work? Describe tools to an LLM, read the tool_use block, run your real function and send a tool_result back, in TypeScript.
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#AI agents
Call an LLM API in TypeScript: a chatbot for a small café
Call an LLM API in TypeScript with Claude's official SDK, write a system prompt for a café chatbot, and see why it confidently invents order statuses.
What is an AI agent? 200 messages a day at a small café
What is an AI agent, and how is it different from a chatbot or a workflow? Three ways to answer a café's customers, compared with TypeScript code that runs.