Hook

Tool-Use Tracker

Log every tool call for cost / pattern analysis.

0
Source

Install

manual
add to ~/.claude/settings.json hooks.PreToolUse

Add this to your Claude Code MCP settings or run via the CLI.

About

PreToolUse hook recording tool name, input shape, timestamp. Build dashboards of which tools dominate your sessions, where time goes.

Common use cases

  • •Audit token spend
  • •Find slow tools
  • •Improve session efficiency

Tags

observabilitymetricsautomation