Claude Code subagent for token-efficient AI coding. 6 operating principles produce 50% fewer tool calls and 60% less wall time vs the default agent on narrow tasks. Drop-in markdown file, no framework, no model swap.
agent-framework ai-agent subagent agent-design prompt-engineering anthropic-claude llm-agent agentic claude-code ai-coding-assistant token-efficiency context-efficiency claude-code-agent agent-template lean-agent
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Updated
May 26, 2026 - PowerShell