Manage mail folders. Supports list, create, delete, rename, get_details, and move operations. Returns: {success: boolean, message: string, path: string, displayName: string, totalItemCount: integer, unreadItemCount: integer, childFolderCount: integer}. Note: Invalid folder paths return appropriat...
AI agents call manage_mail_folder to permanently remove resources in Microsoft Graph MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool supports 'delete' operations on mail folders, which is irreversible — deleting a mail folder can permanently remove all contained emails and subfolders. While it also supports lower-severity operations (list, create, rename, move), the most severe applicable category applies. Folder deletion with potentially thousands of emails inside represents a high blast radius if misused by an AI agent.
From the tool's definition Supports list, create, delete, rename, get_details, and move operations
Documented attack patterns abuse exactly the kind of access manage_mail_folder gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Microsoft Graph MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for manage_mail_folder:
{
"version": "1",
"default": "deny",
"hide": [
"manage_mail_folder"
]
}manage_mail_folder disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.
Free to start. No card required.
Manage mail folders. Supports list, create, delete, rename, get_details, and move operations. Returns: {success: boolean, message: string, path: string, displayName: string, totalItemCount: integer, unreadItemCount: integer, childFolderCount: integer}. Note: Invalid folder paths return appropriate error messages. It is categorised as a Destructive tool in the Microsoft Graph MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Microsoft Graph MCP Server MCP server in PolicyLayer and add a rule for manage_mail_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 Microsoft Graph MCP Server. Nothing to install.
manage_mail_folder is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the manage_mail_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 manage_mail_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.
manage_mail_folder is provided by the Microsoft Graph MCP Server MCP server (marlonluo2018/microsoft_graph_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Microsoft Graph MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
19 Microsoft Graph MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.