Get list of roles in the application
AI agents call get_roles to retrieve information from HAP MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only retrieval of role data. It has no side effects, does not modify application state, and simply fetches existing information. This is a standard Read category classification with low severity due to the minimal risk of misuse—listing roles is informational and cannot cause damage on its own.
From the tool's definition Tool name 'get_roles' and description 'Get list of roles in the application' indicate a query operation that retrieves role information without modifying, deleting, or executing operations.
Attacks that exploit this kind of access
Get list of roles in the application. It is categorised as a Read tool in the HAP MCP Server MCP Server, which means it retrieves data without modifying state.
Register the HAP MCP Server MCP server in PolicyLayer and add a rule for get_roles: 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 HAP MCP Server. Nothing to install.
get_roles 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 get_roles 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 get_roles. 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.
get_roles is provided by the HAP MCP Server MCP server (mingdaocloud/hap-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
get_roles is one line of HAP MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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