List all IMAP folders available in the AOL mailbox.
AI agents call list_folders to retrieve information from AOL Mail MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about mailbox structure (folder names/hierarchy) via IMAP protocol. It performs no mutations, deletions, sends no emails, executes no code, and has no financial impact. It is a straightforward enumeration/listing operation, consistent with the Read category (list, get, fetch operations).
From the tool's definition Tool name 'list_folders' and description 'List all IMAP folders available in the AOL mailbox' indicate a query operation that retrieves folder metadata without modification or side effects.
Attacks that exploit this kind of access
List all IMAP folders available in the AOL mailbox. It is categorised as a Read tool in the AOL Mail MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AOL Mail MCP Server MCP server in PolicyLayer and add a rule for list_folders: 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 AOL Mail MCP Server. Nothing to install.
list_folders is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_folders 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 list_folders. 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.
list_folders is provided by the AOL Mail MCP Server MCP server (kubegrind/aol-mcp-server). 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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