# Agent Domain

Agents are managed deployments.

## Core Fields

All agents share these core fields:

- identity: id, name
- presentation: icon, description, tags
- behavior inputs: systemPrompt
- references: model, tools, kbs
- deployment: runtime
- placement: stack

## References

Agent references include:

- model: one language model reference
- tools: zero or more tool references
- kbs: zero or more knowledge base references

## Runtime and Status

- runtime is required
- deployment status is optional

## Agent Type

- Agent is a single managed agent type (no mode-based union)