Kestrel

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "kestrel": {
      "type": "http",
      "url": "https://kestrel.perch-app.workers.dev/mcp"
    }
  }
}

4 tools

• create_watch

  Start monitoring a web page (or JSON/text URL) for changes. Captures a baseline snapshot now. Returns a watch_id and a token — save the token; it's how you check and manage your watches later. Pass an existing token to add more watches under the same account.

• check_watch

  Re-fetch a watched page and report whether it changed since the last check, with a short list of added/removed content lines. Updates the baseline to the new content. Call this every time you want the latest status (e.g. each run/heartbeat).

• list_watches

  List all watches under your token, with per-watch check/change counts.

• delete_watch

  Stop monitoring a page and delete the watch.

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