Domain-Specialized Role Prompts

Replace generic persona descriptions with explicit domain ontologies, deterministic checklists, and specialized toolsets in agent role prompts.

In multi-agent architecture, system designers frequently assign roles using superficial persona prompts (e.g., "You are an expert security auditor" or "You are a senior software architect"). In complex technical domains, these generic personas suffer high failure rates: they offer vague, high-level advice, miss subtle domain-specific edge cases, and hallucinate compliance.

Domain-specialized role prompts replace stylistic persona roleplaying with deep operational grounding:

  • Domain ontologies and taxonomies: Provide explicit definitions of domain entities, failure classes, and architectural invariants (e.g., CWE taxonomies for security agents or API lifecycle rules for integration agents).
  • Concrete evaluation checklists: Replace open-ended instructions with deterministic evaluation rubrics and validation sequences that the agent must step through.
  • Dedicated retrieval augmentation: Equip the agent with role-specific context engineering, including internal architectural decision records (ADRs), API schemas, and historical incident postmortems.
  • Narrowed tool inventories: Limit each specialist's tool inventory strictly to operations relevant to its domain responsibility, reducing action-space entropy.

Grounded role definition ensures that specialized agents act as rigorous domain validators rather than conversational approximations of human job titles.


Sources

  • Tang & Runkler (2024), sec. 5-6