claude-skills-reference/engineering-team/self-improving-agent/hooks/hooks.json

{
  "hooks": [
    {
      "name": "error-capture",
      "event": "PostToolUse",
      "matcher": "Bash",
      "command": "./hooks/error-capture.sh",
      "description": "Detects command failures and appends structured entries to auto-memory. Zero overhead on successful commands."
    }
  ]
}