AI agents call gandi_mailbox_get_slot to retrieve information from Gandi 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 a mailbox slot without creating, modifying, deleting, or executing any actions. It has no side effects and poses minimal risk even if misused by an agent, as it only returns data about an existing resource.
From the tool's definition Tool name 'gandi_mailbox_get_slot' with description 'Get a single mailbox slot by id' indicates a retrieval operation with no modification capability. The verb 'Get' and the query-by-id pattern are characteristic of read-only operations.
Attacks that exploit this kind of access
Get a single mailbox slot by id. It is categorised as a Read tool in the Gandi MCP Server, which means it retrieves data without modifying state.
Register the Gandi MCP server in PolicyLayer and add a rule for gandi_mailbox_get_slot: 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 Gandi. Nothing to install.
gandi_mailbox_get_slot 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 gandi_mailbox_get_slot 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 gandi_mailbox_get_slot. 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.
gandi_mailbox_get_slot is provided by the Gandi MCP server (millsymills-com/gandi-mcp). 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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