AI agents use update-document-type-folder to create or update resources in Mcp Dev — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Dev environment.
This tool modifies existing content metadata (document type folders) reversibly without permanently destroying data or executing arbitrary code. It falls squarely in the Write category. Severity is medium because misconfiguration could affect content organization and document type hierarchy, potentially impacting multiple documents, but changes are not destructive and can be reverted.
From the tool's definition Tool name 'update-document-type-folder' and description 'Updates a document type folder by Id' indicate modification of existing data structure in Umbraco CMS.
Attacks that exploit this kind of access
Updates a document type folder by Id. It is categorised as a Write tool in the Mcp Dev MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Dev MCP server in PolicyLayer and add a rule for update-document-type-folder: 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 Mcp Dev. Nothing to install.
update-document-type-folder 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 update-document-type-folder 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 update-document-type-folder. 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.
update-document-type-folder is provided by the Mcp Dev MCP server (@umbraco-cms/mcp-dev). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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