dev.workers.perch-app.kestrel/kestrel

up checked 2026-11-11T09:39:46.972Z

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Publisher-provided description

Watch any URL for changes: baseline, then check for a diff. Free, no signup/key.

Summary by lookupd

Lets an agent monitor web pages or JSON/text URLs for changes, creating baselines and reporting added or removed content.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http kestrel https://kestrel.perch-app.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add kestrel --url https://kestrel.perch-app.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

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

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (4 tools)

Publisher-provided text

• 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 chec
• 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 co
• list_watches List all watches under your token, with per-watch check/change counts.
• delete_watch Stop monitoring a page and delete the watch.

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 307 ms
• First indexed: 2026-11-01T09:02:03.180Z
• Last seen in registry: 2026-11-01T09:02:03.180Z
• Website: https://kestrel.perch-app.workers.dev

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