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After you can write the tool-call loop yourself, some SDKs will run tools and repeat for you — same job, less boilerplate, with trade-offs.
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When the SDK Runs the Loop
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When the SDK Runs the Loop
Contract
- Put your API key in the practice file (fine for local learning)
- Create an authenticated client
- Define read_file as a real function / method
- Let the SDK run tools and loop (or note when your language has no helper)
- Print the final answer
sdk_loop_demo.py
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Example console
Sample run — exact text can vary
final answer The notes list milk, eggs, cat food, and a dentist visit Tuesday at 3pm.