Function: defineAgent()

function defineAgent<T>(def): T;

Validate a session-scoped helper or subagent definition while preserving its type.

Type Parameters

T extends AgentDefinition

T Prompt, model, tools and child-session policy.

T The validated definition.

A configuration error for invalid prompt, model, tool rules, or MCP descriptors.

const reviewer = defineAgent({ prompt: "Review correctness.", tools: ["read", "grep"], spawnMode: "fresh" })