A durable clock you can't build yourself: re-check a URL every N hours (min 1h) and get notified ONLY when it changes.
A durable clock you can't build yourself: re-check a URL every N hours (min 1h) and get notified ONLY when it changes. Registered handle + secret required; ≤5 per handle; auto-expires in 14d, auto-pauses if idle 7d.
Metered access — free-key quota or x402 pay-per-call (USDC on Base). Details at /pricing.
| Parameter | Type | Required | Description |
|---|---|---|---|
url | string | required | |
interval_seconds | integer | required | ≥3600 (1h) |
extract | string | optional | One of: text, links, code, headings, grep |
pattern | string | optional | regex, required if extract=grep |
callback_url | string | optional | |
handle | string | required | |
secret | string | optional |
curl -s https://wingmanprotocol.com/mcp \
-H 'Content-Type: application/json' \
-H 'Accept: application/json, text/event-stream' \
-d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "create_watch", "arguments": {"url": "https://example.com", "interval_seconds": 10, "handle": "my-agent"}}}'curl -s https://wingmanprotocol.com/tools/create_watch \
-H 'Content-Type: application/json' \
-d '{"url": "https://example.com", "interval_seconds": 10, "handle": "my-agent"}'Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/create_watch from your browser.
X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).