AI agents call users_get to retrieve information from Remnawave 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 by identifier. It performs a query/fetch action with no capacity to modify, delete, or execute operations. The blast radius of misuse is minimal—an attacker could enumerate or access user data, but cannot modify systems or cause irreversible harm. Low severity is appropriate for read-only data access in a VPN management context.
From the tool's definition Tool name 'users_get' and description 'Get a specific Remnawave user by their UUID' indicate a retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access users_get gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Remnawave, and nothing reaches the server without passing your rules. This is the rule we recommend for users_get:
{
"version": "1",
"default": "deny",
"tools": {
"users_get": {}
}
}users_get is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a specific Remnawave user by their UUID. It is categorised as a Read tool in the Remnawave MCP Server, which means it retrieves data without modifying state.
Register the Remnawave MCP server in PolicyLayer and add a rule for users_get: 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 Remnawave. Nothing to install.
users_get 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 users_get 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 users_get. 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.
users_get is provided by the Remnawave MCP server (trackline/mcp-remnawave). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 153 Remnawave tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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153 Remnawave tools catalogued and risk-classified — across an index of 42,500+ MCP servers.