cogni-visual

Defined in hooks/hooks.json

{
  "PreToolUse": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "bash \"$CLAUDE_PLUGIN_ROOT/hooks/ensure-excalidraw-canvas.sh\"",
          "timeout": 15
        }
      ],
      "matcher": "mcp__excalidraw__.*"
    }
  ]
}

"Intercepts WebFetch, WebSearch, and tavily-extract tool calls on PreToolUse, routing to Tavily search/extract APIs via Python scripts. No bash or file writes."