---
title: "message_mark"
description: "Marks up to 100 `messageIds` `processed`, or back to `new`; all change or none do."
---

| Tool | Kind | Purpose |
| :-- | :-- | :-- |
| `message_mark` | write | Marks up to 100 `messageIds` `processed`, or back to `new`; all change or none do. Needs read on every record of the contacts table. |

Group: [WhatsApp](/docs/en-US/agents/mcp/whatsapp).