---
title: "tool si.read.page_changes"
description: "a `PageChangesInput`: `PageChange` rows for the site or the watch in the window."
section: reference
address: /reference/tools/si-read-page_changes
contract: 0476e35e6e275db5
---

# tool si.read.page_changes

a `PageChangesInput`: `PageChange` rows for the site or the watch in the window.

[figure: Over MCP, si.read.page_changes takes PageChangesInput and returns a card whose body is [PageChange].]

`PageChange` rows for the site or the watch in the window. The call needs the read grant at the brand rung.



| | |
|---|---|
| input | [PageChangesInput](/concepts/pagechangesinput) |
| result | a card whose body is [PageChange](/concepts/pagechange) |
| read-only | yes |
| destructive | no |
| card address | `ui://scale-intelligence/cards/PageChange` |
| HTTP route | [`/v1/read/page_changes`](/reference/read/page_changes) |





| field | type | required | note |
|---|---|---|---|
| `site` | `id` | no |  |
| `watch` | `id` | no |  |
| `window` | [Window](/concepts/window) | yes |  |