create_email_folder

Creates a new mailbox folder in Mail.app.

SERVERLocal SOURCElocal-mcp

Medium RISK CLASS

Category Write

Parameters 31 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/com-local-mcp-local-mcp/create-email-folder.md

WHAT IT DOES

What create_email_folder does on Local

AI agents use create_email_folder to create or update resources in Local, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Local environment.

Parameter	Type	Required	Description
`name`	string	Yes	Folder name
`account`	string	—	Account name (optional, uses default)
`confirm`	boolean	—	Must be true to create

Parameters from the server's own tool schema.

RISK

Why create_email_folder is rated Medium

This tool creates a new folder in Mail.app, which is a reversible write operation. It modifies the user's mailbox structure by adding a new container, but does not delete data, execute arbitrary code, move money, or cause irreversible damage.

From the tool's definition Tool name 'create_email_folder' and description 'Creates a new mailbox folder in Mail.app' explicitly describe creating a new data structure (email folder) in a mail system.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_email_folder safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Local, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_email_folder, this is the rule to start with:

create_email_folder Rate-limited

create_email_folder stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_email_folder": {
      "limits": [
        {
          "counter": "create_email_folder_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Local, apply this rule, and every create_email_folder call is checked against it from then on.

FAQ

Questions about create_email_folder

What does the create_email_folder tool do? +

Creates a new mailbox folder in Mail.app. It is categorised as a Write tool in the Local MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does create_email_folder accept? +

create_email_folder accepts 3 parameters: name, account, confirm. Required: name. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on create_email_folder? +

Register the Local MCP server in PolicyLayer and add a rule for create_email_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 Local. Nothing to install.

What risk level is create_email_folder? +

create_email_folder is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_email_folder? +

Yes. Add a rate_limit block to the create_email_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.

How do I block create_email_folder completely? +

Set action: deny in the PolicyLayer policy for create_email_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.

What MCP server provides create_email_folder? +

create_email_folder is provided by the Local MCP server (local-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Local, and thousands of servers like it.

This server

All 234 Local tools →

Across the catalogue

create_task on 0rca Dojo MCP Server →create-task on Kanban MCP Server →create_package_backup on Android Forensics ADB MCP Server →create_project on Stitch MCP Server → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →