AI agents call ihg_get_rewards_balance 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 queries and returns read-only information about rewards account state. There are no side effects, no data modification, no financial transaction, and no code execution. While the data returned could be sensitive (balance information), the retrieval itself is a Read operation with minimal blast radius — an agent calling this repeatedly causes no harm beyond redundant API calls.
From the tool's definition Tool description states it 'Get[s] IHG One Rewards points balance, tier status, and account summary for the logged-in user' — purely retrieves account data with no modification, deletion, or external action triggered.
Attacks that exploit this kind of access
Get IHG One Rewards points balance, tier status, and account summary for the logged-in user. 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_rewards_balance: 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_rewards_balance 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_rewards_balance 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_rewards_balance. 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_rewards_balance 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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