List sub-accounts in the organization. Requires
AI agents call list-sub-accounts to retrieve information from Mcp Mailtrap without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only operation that retrieves account information. While access to sub-account lists could be sensitive from a privacy/information disclosure perspective, the tool itself performs no side effects, makes no changes, and poses minimal risk of direct harm if misused by an agent.
From the tool's definition Tool name 'list-sub-accounts' and description 'List sub-accounts in the organization' indicate a query operation that retrieves organizational account data without modifying or deleting anything.
Attacks that exploit this kind of access
List sub-accounts in the organization. Requires. It is categorised as a Read tool in the Mcp Mailtrap MCP Server, which means it retrieves data without modifying state.
Register the Mcp Mailtrap MCP server in PolicyLayer and add a rule for list-sub-accounts: 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 Mailtrap. Nothing to install.
list-sub-accounts 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-sub-accounts 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-sub-accounts. 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-sub-accounts is provided by the Mcp Mailtrap MCP server (mcp-mailtrap). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
list-sub-accounts is one line of Mcp Mailtrap's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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