zernio_get_user

Get details for a specific team member by user ID.

SERVERZernio SOURCEeyalm321/zernio-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/eyalm321-zernio-mcp/zernio-get-user.md

WHAT IT DOES

What zernio_get_user does on Zernio

AI agents call zernio_get_user to retrieve information from Zernio without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why zernio_get_user is rated Low

This tool retrieves user information based on an ID parameter. It performs a read-only query operation without creating, modifying, or deleting data. The blast radius of misuse is minimal—an agent could access user profile details of team members, but cannot alter data or take external actions. This is a straightforward Read category tool with low severity.

From the tool's definition Tool name 'zernio_get_user' and description 'Get details for a specific team member by user ID' indicate a retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs zernio_get_user safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Zernio, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For zernio_get_user, this is the rule to start with:

zernio_get_user Allowed

zernio_get_user is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "zernio_get_user": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Zernio, apply this rule, and every zernio_get_user call is checked against it from then on.

FAQ

Questions about zernio_get_user

What does the zernio_get_user tool do? +

Get details for a specific team member by user ID. It is categorised as a Read tool in the Zernio MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on zernio_get_user? +

Register the Zernio MCP server in PolicyLayer and add a rule for zernio_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 Zernio. Nothing to install.

What risk level is zernio_get_user? +

zernio_get_user is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit zernio_get_user? +

Yes. Add a rate_limit block to the zernio_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.

How do I block zernio_get_user completely? +

Set action: deny in the PolicyLayer policy for zernio_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.

What MCP server provides zernio_get_user? +

zernio_get_user is provided by the Zernio MCP server (eyalm321/zernio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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