Get digital room key information and activation instructions for a Hilton reservation. Digital Key allows your phone to unlock your hotel room.
AI agents call digital_key to retrieve information from Mcp Hilton without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool fetches digital key information and instructions for an existing reservation. It does not create, modify, or activate anything; it is a read/query operation. Severity is low because misuse only exposes room access instructions, which requires a valid reservation context anyway.
From the tool's definition 'Get digital room key information and activation instructions' — retrieves information and instructions only; does not activate or issue the key itself
Attacks that exploit this kind of access
Get digital room key information and activation instructions for a Hilton reservation. Digital Key allows your phone to unlock your hotel room. It is categorised as a Read tool in the Mcp Hilton MCP Server, which means it retrieves data without modifying state.
Register the Mcp Hilton MCP server in PolicyLayer and add a rule for digital_key: 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 Hilton. Nothing to install.
digital_key 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 digital_key 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 digital_key. 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.
digital_key is provided by the Mcp Hilton MCP server (markswendsen-code/mcp-hilton). 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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