# Function deriveEntry

- deriveEntry(modelId: string, identity: ResolvedModelIdentity): ModelEntry

  Build an entry from vendor + family + quirks when no authoritative row matches. Source stamped `'derived'`; capability fields left undefined (derived entries don't have measured pricing/quality data).

  #### Parameters

  - modelId: string
  - identity: ResolvedModelIdentity

  #### Returns ModelEntry

  - Defined in packages/nexus-agents/src/config/model-derivation.ts:125