Claude Code users track subagent usage to prune unused agents

This post details a system for tracking the usage of subagents within the Claude Code environment to identify and remove unused "zombie" agents. The solution involves a stop hook script that logs agent invocations to a JSONL file upon session termination. A separate script then processes this log to generate daily reports, highlighting the top-used agents and listing those that have not been invoked in the past 7 or 30 days. This process helps maintain the Claude Code setup by providing data-driven decisions for agent deletion. AI

IMPACT Helps users manage and optimize their AI agent configurations for better efficiency.

RANK_REASON The item describes a custom script and logging system for managing a specific feature of the Claude Code environment, rather than a new product release or core research.

Read on dev.to — LLM tag →

• agent-invocations.jsonl
• agents-index.sh
• agent-usage-latest.md
• agent-usage-summary.sh
• Claude
• Claude Code
• INDEX.md
• stop_agent_tracker.sh

• product
• other

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