When should I use the Tool Router tool pattern?

You have a large tool catalog and need to keep prompts small and selection accurate.

Is Tool Router production-ready?

Yes when paired with the safety controls and observability hooks documented on the pattern page.

ModelRefs / Tool Router — Tool Pattern

Tool Router — Tool Pattern

Pre-filter a large tool catalog down to a few candidates per turn using semantic routing, then expose only those to the model.

What this reference supports

Tool Router — Tool Pattern: This profile is a decision-support reference. It brings together practical fit, implementation context, related entities, evidence, and limitations without presenting a single universal recommendation.

Tool Router — Tool Pattern: Use the profile to form a shortlist and identify evaluation questions. Confirm availability and operational constraints with current primary documentation, then test the candidate on representative inputs, failure cases, and governance requirements.

Tool Router — Tool Pattern: Any fit language is provisional. Missing evidence remains a coverage gap, benchmark results only describe their stated protocol, and no profile score or relationship guarantees real-world performance.

Continue your research

Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Tool Router — Tool Pattern.