AI agents call ihg_get_room_rates to retrieve information from Mcp Ihg without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves hotel rate information and availability—a pure read operation with no side effects. No financial transaction occurs until booking (handled by ihg_book_room). The blast radius of misuse is minimal; an attacker could only enumerate pricing data, which is typically public or low-sensitivity information on hotel booking platforms.
From the tool's definition Tool name 'ihg_get_room_rates' and description 'Get available room types and rates for a hotel on specific dates, including points options' indicate data retrieval only.
Attacks that exploit this kind of access
Get available room types and rates for a hotel on specific dates, including points options. It is categorised as a Read tool in the Mcp Ihg MCP Server, which means it retrieves data without modifying state.
Register the Mcp Ihg MCP server in PolicyLayer and add a rule for ihg_get_room_rates: 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 Mcp Ihg. Nothing to install.
ihg_get_room_rates 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 ihg_get_room_rates 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 ihg_get_room_rates. 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.
ihg_get_room_rates is provided by the Mcp Ihg MCP server (markswendsen-code/mcp-ihg). 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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