overview changedagents-and-tools/tool-use/overview
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14 Aug 2026
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655655 For example, given a `get_weather` tool that requires a `location` parameter, if you ask Claude "What's the weather?" without specifying a location, Claude (particularly Claude Sonnet) might guess values you didn't supply:
656656
657 ```text JSON wrap
657 ```json JSON
658658 {
659659 "type": "tool_use",
660660 "id": "toolu_01A09q90qw90lq917835lq9",
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