list_inboxes

List all inboxes in the account.

SERVERAgenticEmail SOURCEhttps://api.agenticemail.dev/mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/dev-agenticemail-mcp/list-inboxes.md

WHAT IT DOES

What list_inboxes does on AgenticEmail

AI agents call list_inboxes to retrieve information from AgenticEmail without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_inboxes is rated Low

This tool retrieves or enumerates existing inboxes without creating, modifying, or deleting data. It is purely informational. Severity is low because listing inboxes reveals metadata about email account structure but does not expose message content or enable harmful actions on its own.

From the tool's definition Tool name 'list_inboxes' and description 'List all inboxes in the account' indicate a query/retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_inboxes safely

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

list_inboxes Allowed

list_inboxes is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_inboxes": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about list_inboxes

What does the list_inboxes tool do? +

List all inboxes in the account. It is categorised as a Read tool in the AgenticEmail MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_inboxes? +

Register the AgenticEmail MCP server in PolicyLayer and add a rule for list_inboxes: 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 AgenticEmail. Nothing to install.

What risk level is list_inboxes? +

list_inboxes is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_inboxes? +

Yes. Add a rate_limit block to the list_inboxes 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 list_inboxes completely? +

Set action: deny in the PolicyLayer policy for list_inboxes. 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 list_inboxes? +

list_inboxes is provided by the AgenticEmail MCP server (https://api.agenticemail.dev/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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