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Site Spy provides an MCP server that lets AI assistants monitor websites, compare snapshots, and manage watches through natural language.

Setup

  1. Copy your API key from Dashboard Settings > API & Monitoring
  2. Add the following configuration to your AI client’s settings file:
OpenClaw users: You can run openclaw mcp set site-spy npx -y @site-spy/mcp-server or add it to your openclaw.yaml file instead.
  1. Restart your AI client — Site Spy tools appear automatically

Configuration file locations

Available tools

Read tools (all plans)

Write tools (Starter and above)

AI tools (Pro and above)

Plan limits

MCP access follows the same plan limits as the REST API:

Example usage

Once connected, you can ask your AI assistant things like:
  • “What changed on my watches recently?”
  • “Start monitoring https://example.com/pricing for price changes”
  • “Show me the diff for my Amazon watch”
  • “Summarize the latest change on my competitor’s site”
  • “Recheck all my watches”

Troubleshooting

  • “Not authenticated” errors — Make sure SITE_SPY_API_KEY is set correctly in the config. You can verify by asking the assistant to run auth_status.
  • Tools not appearing — Restart your AI client after adding the config. Ensure npx is available (requires Node.js 18+).
  • “Write access required” errors — Free plan has read-only MCP access. Upgrade to Starter or above for write operations.
  • “Pro plan required” errors — The get_ai_summary tool requires Pro or Business plan.