AI agents call prmaat_rooms_list to retrieve information from Prmaat without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves a list of rooms for an authenticated user. It performs no writes, deletions, code execution, or financial transactions. The operation is read-only and returns informational data. Severity is low because listing accessible rooms poses minimal risk even if misused by an AI agent.
From the tool's definition Tool description states 'List all rooms the authenticated passport is a member of' — a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
List all rooms the authenticated passport is a member of. It is categorised as a Read tool in the Prmaat MCP Server, which means it retrieves data without modifying state.
Register the Prmaat MCP server in PolicyLayer and add a rule for prmaat_rooms_list: 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 Prmaat. Nothing to install.
prmaat_rooms_list 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 prmaat_rooms_list 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 prmaat_rooms_list. 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.
prmaat_rooms_list is provided by the Prmaat MCP server (prmaat/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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