transcribe_audio performs the core transcription while preload_model handles model initialization; their purposes are completely distinct and cannot be confused. The descriptions clearly separate the main task from an optional optimization step.

Both tools follow the same verb_noun pattern: transcribe_audio and preload_model. The verb clearly indicates the action, and the noun indicates the target, making the naming predictable and consistent.

Two tools is appropriate for a narrow-purpose server: one primary transcription tool plus an optional model preloading optimization. Each tool earns its place without redundancy, and adding more tools would likely be unnecessary for this focused scope.

The server's domain is local audio transcription, and the tool set covers the full workflow: optional model preloading followed by transcription. There are no obvious gaps for the stated purpose, and the preload_model tool explicitly handles the cold-start concern.