create_recurring_invoice · Sevdesk MCP: Risk & Policy

WHAT IT DOES

What create_recurring_invoice does on Sevdesk

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

WHY IT NEEDS A POLICY

Why create_recurring_invoice needs a policy

This tool creates a new data object (a recurring invoice template) that persists in the accounting system and will automatically trigger repeated invoice generation. It is a Write operation because it creates reversible data structures.

From the tool's definition Tool name is 'create_recurring_invoice' and description states it 'Create[s] a recurring invoice in sevdesk (auto-generates invoices at set intervals)'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_recurring_invoice Rate-limited

create_recurring_invoice 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_recurring_invoice": {
      "limits": [
        {
          "counter": "create_recurring_invoice_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about create_recurring_invoice

What does the create_recurring_invoice tool do? +

Create a recurring invoice in sevdesk (auto-generates invoices at set intervals). It is categorised as a Write tool in the Sevdesk 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_recurring_invoice? +

Register the Sevdesk MCP server in PolicyLayer and add a rule for create_recurring_invoice: 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 Sevdesk. Nothing to install.

What risk level is create_recurring_invoice? +

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

Can I rate-limit create_recurring_invoice? +

Yes. Add a rate_limit block to the create_recurring_invoice 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_recurring_invoice completely? +

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

create_recurring_invoice is provided by the Sevdesk MCP server (codestra/sevdesk-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.