Retrieve a single user by their UUID.
AI agents call get_user to retrieve information from LeanIX MTM MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a straightforward read operation that queries user information by identifier. It retrieves data without side effects, matching the Read category definition. The severity is low because user metadata queries pose minimal risk even if misused — the blast radius is confined to information disclosure of non-sensitive user identifiers.
From the tool's definition Tool name is 'get_user' and description states 'Retrieve a single user by their UUID' — a simple data retrieval operation with no modification or execution.
Attacks that exploit this kind of access
Retrieve a single user by their UUID. It is categorised as a Read tool in the LeanIX MTM MCP Server MCP Server, which means it retrieves data without modifying state.
Register the LeanIX MTM MCP Server MCP server in PolicyLayer and add a rule for get_user: 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 LeanIX MTM MCP Server. Nothing to install.
get_user 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_user 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_user. 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_user is provided by the LeanIX MTM MCP Server MCP server (tomgutt/leanix-mtm-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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