Update properties of a page or an item in a Notion database
AI agents use notion_update_page_properties to create or update resources in Notion MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Notion MCP Server environment.
This tool modifies existing Notion page/database item properties reversibly. It is a Write operation (update/modify) rather than Destructive (delete/drop) since property updates are typically reversible. Severity is medium because misuse could corrupt important database records or page metadata, but the blast radius is limited to the specific page/item targeted.
From the tool's definition Tool name 'notion_update_page_properties' and description 'Update properties of a page or an item in a Notion database' indicate modification of existing data.
Attacks that exploit this kind of access
Update properties of a page or an item in a Notion database. It is categorised as a Write tool in the Notion MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Notion MCP Server MCP server in PolicyLayer and add a rule for notion_update_page_properties: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Notion MCP Server. Nothing to install.
notion_update_page_properties is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the notion_update_page_properties rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for notion_update_page_properties. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
notion_update_page_properties is provided by the Notion MCP Server MCP server (tkc/notion-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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