Unverified50% confidenceFactExact time
The Tool protocol in the Apple Foundation Models framework allows developers to register external functions as tools that the model can call; the model decides when to call which tool and what parameters to pass, while the actual execution logic is completed by developer-controlled Swift code.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/11/2026
First Seen
Valid until: 1/9/2027
Sources
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