Tool Use with Claude — Complete Guide | AgenticPrep.ai | AgenticPrep.ai

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Tool Use with Claude

Step-by-step: define tools → send to Claude → handle tool_use → return results.

Step 1: Define Tools

tools = [{
    "name": "query_database",
    "description": "Run a SQL query on the customer database. Use for revenue, account, or usage data.",
    "input_schema": {
        "type": "object",
        "properties": {
            "query": {"type": "string", "description": "SQL query"},
            "limit": {"type": "integer", "default": 10}
        },
        "required": ["query"]
    }
}]

Step 2: Handle Tool Calls

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