get-vhost · Rabbitmq MCP: Risk & Policy

WHAT IT DOES

What get-vhost does on Rabbitmq

AI agents call get-vhost to retrieve information from Rabbitmq without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get-vhost needs a policy

This tool retrieves and queries details about a RabbitMQ virtual host. It has no side effects—it does not create, modify, delete, or execute operations. This is a straightforward read operation with minimal blast radius if misused by an AI agent.

From the tool's definition Tool name is 'get-vhost' and description states 'Get details for a specific virtual host', using the verb 'Get' which retrieves information without modification.

Attacks that exploit this kind of access

Questions about get-vhost

What does the get-vhost tool do? +

Get details for a specific virtual host. It is categorised as a Read tool in the Rabbitmq MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-vhost? +

Register the Rabbitmq MCP server in PolicyLayer and add a rule for get-vhost: 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 Rabbitmq. Nothing to install.

What risk level is get-vhost? +

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

Can I rate-limit get-vhost? +

Yes. Add a rate_limit block to the get-vhost 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 get-vhost completely? +

Set action: deny in the PolicyLayer policy for get-vhost. 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 get-vhost? +

get-vhost is provided by the Rabbitmq MCP server (rabbitmq-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.