Site Spy Docs

How does change detection work?

Site Spy takes snapshots of your watched pages at the interval you set (from minutes to weekly). When changes are detected, a visual diff highlights exactly what changed — green for additions, red for removals. You can browse the full snapshot timeline to compare any two versions.

Is Site Spy free?

Yes. The free plan lets you track up to 2 websites with hourly checks. All notification channels (email, Telegram, push, webhooks) are included free. For more watches, faster check intervals, and features like screenshots, upgrade to the Starter, Pro, or Business plan.

How can I access Site Spy?

The web dashboard works in any browser, including mobile. The browser extension is available for Chrome and Firefox.

When signed in, your watches sync across all devices automatically.

Can I track specific parts of a page?

Yes. The element inspector lets you click any element on a page to monitor just that section. You can also write CSS selectors or XPath expressions manually in Watch Settings. See CSS & XPath Filters for syntax and examples.

What are Smart Filters?

Smart Filters use AI to automatically reduce noise on new watches. When enabled in settings, Site Spy analyzes each new watch after its first snapshot and applies filters that remove timestamps, cookie banners, visitor counters, and other dynamic content. This is free and uses a server-side AI model. See Smart Filters.

What is the AI Chat?

The AI Chat is a conversational assistant that can create watches, check changes, configure filters, and manage your monitors through natural language. It's available to all users with daily message limits based on your plan (5/day for anonymous, up to 500/day for Business). See AI Chat.

What are AI change summaries?

Pro and Business plans can enable AI-powered change summaries by adding your own API key (Anthropic Claude, OpenAI GPT, or Google Gemini) in Dashboard Settings > API & Monitoring. Site Spy uses your key to generate plain-language summaries of detected changes. See AI Features.

Yes. Every watch has a share button that generates a link. When someone opens the link, they see the watch configuration and can add it to their own account with one click. See Share Links for details.

What is the MCP integration?

Site Spy provides an MCP server that integrates with AI assistants like Claude Desktop, Claude Code, Cursor, and other MCP-compatible tools. Your AI assistant can monitor websites, compare snapshots, and summarize changes through Site Spy.

To set it up:

Copy your API key from Dashboard Settings > API & Monitoring
Add the MCP server config to your AI client's settings file:

{
  "mcpServers": {
    "site-spy": {
      "command": "npx",
      "args": ["-y", "@site-spy/mcp-server"],
      "env": {
        "SITE_SPY_API_KEY": "your-api-key"
      }
    }
  }
}

Restart your AI client

See the full MCP Integration guide for config file locations, available tools, and plan limits.

What happens if I lose my API key?

If you're signed in with an account, you can regenerate your API key from the dashboard or extension settings. Your watches are tied to your account and will be migrated to the new key.

If you're using anonymous mode (no account), losing the key means losing access to your watches. We recommend creating an account to avoid this.

How do I get faster notifications?

All notification channels (email, Telegram, push, webhooks) are available on every plan including Free. To get notified faster, upgrade to the Starter plan for check intervals as low as 10 minutes, or the Pro plan for intervals down to 1 minute. Set up your preferred channels in Settings → Notifications.

Yes, with Browser Steps (Pro/Business). Browser Steps automate interactions like filling in login credentials, clicking cookie consent buttons, or navigating through single-page apps before capturing a snapshot.

Can I customize what buttons appear on my watch list?

Yes. Go to Dashboard Settings > Appearance and toggle optional action buttons (Screenshots, RSS feed, Share link, Open site) on or off. Core actions like Recheck, Preview, and Diff are always visible. See Dashboard Settings.

Does Site Spy work on all websites?

Site Spy works on most publicly accessible websites. It cannot monitor:

Browser internal pages (chrome://, about:)
Content loaded only via JavaScript interactions (e.g., infinite scroll) — unless you use Browser Steps

Pages behind login walls can be monitored with Browser Steps (Pro/Business).

Can I collaborate with my team?

Yes, the Business plan (€99/mo) includes 5 team seats with shared watches and dashboards. You can invite members with Member or Admin roles. Additional seats are €15/month each. See Team Management.

How do I delete my account?

Go to Dashboard Settings > Account and scroll to Delete Account. This permanently removes your account, all watches, and all data. The action cannot be undone.

FAQ