Watch any URL for changes: baseline, then check for a diff. Free, no signup/key. Connect the official Kestrel MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http kestrel https://kestrel.perch-app.workers.dev/mcpRun in your terminal, then restart Claude Code.
Kestrel · https://kestrel.perch-app.workers.dev/mcp
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “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 toke.”
“Use “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 ba.”
“Use “list_watches”: List all watches under your token, with per-watch check/change counts.”
“Use “delete_watch”: Stop monitoring a page and delete the watch.”
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Kestrel holds up.
Operated by Kestrel (workers.dev) at its documented MCP endpoint — not a third-party mirror or community re-host.
This server only exposes public data — no account and no credentials are involved when you connect.
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
If Kestrel adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Choose Kestrel in the gate directory. No sign-in needed.
Kestrel's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
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 toke
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 ba
list_watches — List all watches under your token, with per-watch check/change counts.
delete_watch — Stop monitoring a page and delete the watch.
https://kestrel.perch-app.workers.dev/mcpYes — Kestrel operates its own remote MCP server at kestrel.perch-app.workers.dev. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
Add gate's gateway URL to your AI client once, then pick Kestrel in the directory. No account or sign-in is needed. From then on, Kestrel's tools are available in every client you've connected to gate.
No. Kestrel runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Yes — you can get started with gate for free and connect Kestrel in minutes. No credit card required.
Every server below works through the same gateway URL — connect once, add tools anytime.
Set up Kestrel in: Claude · Claude Code · ChatGPT · Cursor · VS Code