user_invitation_insert · Vicarius vRx MCP Server MCP

WHAT IT DOES

What user_invitation_insert does on Vicarius vRx MCP Server

AI agents use user_invitation_insert to create or update resources in Vicarius vRx MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Vicarius vRx MCP Server environment.

WHY IT NEEDS A POLICY

Why user_invitation_insert needs a policy

This tool creates new user invitations, which is a reversible write operation that modifies system state. It's categorized as Write rather than Read (retrieves data) or other categories. Severity is high because uncontrolled insertion of user invitations could grant unauthorized access or create security issues in the vulnerability management system, though it remains reversible and thus not Destructive.

From the tool's definition Tool name 'user_invitation_insert' and HTTP method PUT with 'insert' operation indicates creation of new user invitation records. Description states 'insert instance of the object' which modifies data by adding new records.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

user_invitation_insert Rate-limited

user_invitation_insert stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "user_invitation_insert": {
      "limits": [
        {
          "counter": "user_invitation_insert_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Vicarius vRx MCP Server, so you can run agents against it safely.

FAQ

Questions about user_invitation_insert

What does the user_invitation_insert tool do? +

user_invitation \u00b7 PUT /userInvitation/insert \u2014 insert instance of the object Requires a JSON request body. It is categorised as a Write tool in the Vicarius vRx MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on user_invitation_insert? +

Register the Vicarius vRx MCP Server MCP server in PolicyLayer and add a rule for user_invitation_insert: 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 Vicarius vRx MCP Server. Nothing to install.

What risk level is user_invitation_insert? +

user_invitation_insert is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit user_invitation_insert? +

Yes. Add a rate_limit block to the user_invitation_insert 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 user_invitation_insert completely? +

Set action: deny in the PolicyLayer policy for user_invitation_insert. 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 user_invitation_insert? +

user_invitation_insert is provided by the Vicarius vRx MCP Server MCP server (space-c0wboy/vicarius-vrx-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.