AnthropicがFunctionCallingをBeta版として公開したので試してみた
https://docs.anthropic.com/claude/docs/tool-use

import anthropic

client = anthropic.Anthropic()

response = client.beta.tools.messages.create(
    model="claude-3-opus-20240229",
    max_tokens=1024,
    tools=[
        {
            "name": "get_location",
            "description": "Get the current user location based on their IP address. This tool has no parameters or arguments.",
            "input_schema": {
                "type": "object",
                "properties": {}
            }
        },
        {
            "name": "get_weather",
            "description": "Get the current weather in a given location",
            "input_schema": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "The city and state, e.g. San Francisco, CA"
                    },
                    "unit": {
                        "type": "string",
                        "enum": ["celsius", "fahrenheit"],
                        "description": "The unit of temperature, either 'celsius' or 'fahrenheit'"
                    }
                },
                "required": ["location"]
            }
        }
    ],
    messages=[{
   		  "role": "user",
    	  "content": "What's the weather like where I am?"
    }]
)

print(response)

API_KEYを環境変数に設定しておく（ご自身のKEYをおつかいください）

export ANTHROPIC_API_KEY=sk-ant-api03-XXXXXX

が、結果。。

anthropic.InternalServerError: Error code: 529 - 
{'type': 'error', 'error': {'type': 'overloaded_error', 'message': 'Overloaded'}}

みんな使いまくっているの繋がらないー

繋がったら続きを書く。。