Retrieve all n8n users with their roles and status. Only available to instance owner. Returns user ID, email, role (owner/admin/member), and disabled status. Use this for user management and auditing.
AI agents call n8n_list_users to retrieve information from n8n Management MCP Server 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 (ID, email, role, disabled status) for auditing and management purposes. While it is a read-only operation with no side effects, the data returned (email addresses, roles, user status) is sensitive organizational information that could be used for reconnaissance or social engineering if exposed to an unauthorized agent.
From the tool's definition Tool name 'n8n_list_users' and description 'Retrieve all n8n users' indicates a read operation that queries and returns user data without modification.
Risk signalsAdmin/system-level operation
Attacks that exploit this kind of access
Retrieve all n8n users with their roles and status. Only available to instance owner. Returns user ID, email, role (owner/admin/member), and disabled status. Use this for user management and auditing. It is categorised as a Read tool in the n8n Management MCP Server MCP Server, which means it retrieves data without modifying state.
Register the n8n Management MCP Server MCP server in PolicyLayer and add a rule for n8n_list_users: 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 n8n Management MCP Server. Nothing to install.
n8n_list_users 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 n8n_list_users 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 n8n_list_users. 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.
n8n_list_users is provided by the n8n Management MCP Server MCP server (node2flow-th/n8n-management-mcp-community). 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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