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Agentic Coding with Claude Code: Design the Harness, Not Only the Prompt

A research-backed playbook for Claude Code — keep CLAUDE.md small, put procedures in skills, enforce safety with hooks and permissions, isolate work with subagents, and evaluate the whole harness rather than the model alone.

AI Playbook2026-08-2037 min readadvanced

Executive takeaway​

A research-backed playbook for Claude Code — keep CLAUDE.md small, put procedures in skills, enforce safety with hooks and permissions, isolate work with subagents, and evaluate the whole harness rather than the model alone.

In this briefing​

  1. Key ideas
  2. Practical implications
  3. What to do next

Why it matters​

Use this briefing to decide whether to deep-dive the full article for your current delivery problem.

Risk and ComplianceAI EngineerConsultantStudent

Turn insight into action​

Read the full analysis, then continue into a playbook or framework.