Validation Doctor

Diagnostics

1. Chrome DevTools MCP
   • Probe by calling

     list_pages

     (may appear as

     mcp6_list_pages

     depending on the client).
2. Brave Search MCP
   • Probe by calling

     brave_web_search

     with a trivial query and

     count=1

     .

Status Report

Setup Snippets

Chrome DevTools (NPX)

{
  "mcpServers": {
    "chrome-devtools": {
      "command": "npx",
      "args": ["-y", "chrome-devtools-mcp@latest"]
    }
  }
}

Brave Search (NPX)

{
  "mcpServers": {
    "brave-search": {
      "command": "npx",
      "args": ["-y", "@brave/brave-search-mcp-server", "--transport", "stdio"],
      "env": {
        "BRAVE_API_KEY": "YOUR_API_KEY_HERE"
      }
    }
  }
}

Runtime Policy

• If

  chrome-devtools

  is unavailable, allow

  fetch

  fallback but mark results as Low Confidence.
• If

  brave-search

  is unavailable, do not claim competitor positioning; only score the page itself.