Get a single Zendesk user by ID.
AI agents call zendesk_get_user to retrieve information from Integrations MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves user information from Zendesk without creating, modifying, or deleting data. The 'Get' verb and the explicit purpose of fetching a single user record by identifier classify this as a Read operation. Severity is low because retrieval of user metadata poses minimal direct risk; exposure depends on what user data is accessible, but the operation itself is non-destructive and reversible.
From the tool's definition Tool name 'zendesk_get_user' and description 'Get a single Zendesk user by ID' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get a single Zendesk user by ID. It is categorised as a Read tool in the Integrations MCP MCP Server, which means it retrieves data without modifying state.
Register the Integrations MCP server in PolicyLayer and add a rule for zendesk_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 Integrations MCP. Nothing to install.
zendesk_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 zendesk_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 zendesk_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.
zendesk_get_user is provided by the Integrations MCP server (shriram-vasudevan/integrations-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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