Custom Resource Definitions (CRDs)

This page provides detailed specifications for each ARK custom resource.

Resource Reference

Resource	API Version	Description
A2ATask	`ark.mckinsey.com/v1alpha1`	Agent-to-Agent protocol tasks
ExecutionEngine	`ark.mckinsey.com/v1prealpha1`	External execution engines

Execution Engines

Execution Engines provide custom runtime environments for specialized agent execution via the A2A protocol.

Specification


apiVersion: ark.mckinsey.com/v1prealpha1
kind: ExecutionEngine
metadata:
  name: custom-engine
spec:
  address:
    valueFrom:
      serviceRef:
        name: custom-engine-service
        port: "8080"
  description: "Custom A2A execution engine"

Resource Relationships

ARK resources work together in common patterns:

Agent + Model + Tools: Basic agent with capabilities
Team + Multiple Agents: Multi-agent collaboration
Query + Targets: Requests to agents or teams
MCP Server + Tools: Standardized tool integration
Memory + Sessions: Persistent conversations