#function-calling (2)

Cheat sheets (2)

Claude Tool Use (Function Calling)

Define tools, handle tool calls, run agentic loops, use parallel tools, and manage errors with the Claude API.

claude tool-use api anthropic function-calling agentic

Structured Output

Techniques for reliable structured generation — JSON mode, schema-constrained decoding, function/tool calls as output, and validator pairing with Pydantic or Zod.

structured-output json schema pydantic zod tool-use function-calling prompting

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