url_watch
Read-only
Fetch a public URL and return content_sha256 plus changed vs optional previous_sha256 (for monitor agents).
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| url | Yes | Public http(s) URL only. | |
| previous_sha256 | No | Optional prior content SHA-256 hex. If omitted, changed is always true. |