CheckContainerAvailability
AI agents call CheckContainerAvailability to retrieve information from Amazon MQ MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name indicates a check or query operation to determine if a container is available. In the context of Amazon MQ broker management, this most likely retrieves status information about message broker containers. This is a Read operation with low severity because it neither modifies data nor triggers external actions with unpredictable side effects.
From the tool's definition Tool name 'CheckContainerAvailability' and server context (Amazon MQ broker management) suggest a status/health check operation that queries availability state without modifying resources. Description is empty, reducing confidence.
Attacks that exploit this kind of access
CheckContainerAvailability. It is categorised as a Read tool in the Amazon MQ MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Amazon MQ MCP Server MCP server in PolicyLayer and add a rule for CheckContainerAvailability: 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 Amazon MQ MCP Server. Nothing to install.
CheckContainerAvailability 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 CheckContainerAvailability 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 CheckContainerAvailability. 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.
CheckContainerAvailability is provided by the Amazon MQ MCP Server MCP server (awslabs.amazon-mq-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.