create_invitation · Nettskjema MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_invitation does on Nettskjema MCP Server

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

WHY IT NEEDS A POLICY

Why create_invitation needs a policy

This tool creates new invitation records within the Nettskjema form system, which is a reversible data modification. It does not execute arbitrary code, delete data irreversibly, or move money. Write severity is medium because invitations could enable spam or unauthorized form distribution if misused, but the effect is reversible (invitations can be deleted via the sibling delete_invitations tool).

From the tool's definition Tool name 'create_invitation' and description 'Create a new invitation for a form' indicate data creation. The verb 'Create' and the action of generating a new invitation record are characteristic of Write operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_invitation Rate-limited

create_invitation 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": {
    "create_invitation": {
      "limits": [
        {
          "counter": "create_invitation_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 Nettskjema MCP Server, so you can run agents against it safely.

FAQ

Questions about create_invitation

What does the create_invitation tool do? +

Create a new invitation for a form. It is categorised as a Write tool in the Nettskjema 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 create_invitation? +

Register the Nettskjema MCP Server MCP server in PolicyLayer and add a rule for create_invitation: 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 Nettskjema MCP Server. Nothing to install.

What risk level is create_invitation? +

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

Can I rate-limit create_invitation? +

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

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

create_invitation is provided by the Nettskjema MCP Server MCP server (orjahren/nettskjema-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.