27%
Domain 1
Agentic Architecture & Orchestration
Agentic loops · stop_reason · Multi-agent · Hooks · Task decomposition · Session management
18%
Domain 2
Tool Design & MCP Integration
Tool descriptions · Structured errors · tool_choice · MCP scoping · Built-in tools
20%
Domain 3
Claude Code Config & Workflows
CLAUDE.md hierarchy · Rules · Skills · Slash commands · Plan mode · CI/CD
20%
Domain 4
Prompt Engineering & Structured Output
Explicit criteria · Few-shot · tool_use schemas · Validation-retry · Batch API · Multi-pass review
15%
Domain 5
Context Management & Reliability
Lost-in-middle · Progressive summarization · Escalation · Error propagation · Provenance