update_invoice_line · Dolibarr MCP Server MCP: Risk & Policy

WHAT IT DOES

What update_invoice_line does on Dolibarr MCP Server

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

WHY IT NEEDS A POLICY

Why update_invoice_line needs a policy

This tool creates reversible changes to invoice line items (quantities, prices, descriptions, tax rates). It is Write (not Execute) because it modifies structured financial data through a defined API rather than executing arbitrary code. It is high severity because invoices are critical financial records—modifications could alter billing amounts, tax calculations, or payment terms.

From the tool's definition Tool name 'update_invoice_line' and description 'Update invoice line' indicate modification of invoice data. Invoices are financial documents; modifying line items changes billing records and amounts due.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_invoice_line Rate-limited

update_invoice_line 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": {
    "update_invoice_line": {
      "limits": [
        {
          "counter": "update_invoice_line_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 Dolibarr MCP Server, so you can run agents against it safely.

FAQ

Questions about update_invoice_line

What does the update_invoice_line tool do? +

Update invoice line. It is categorised as a Write tool in the Dolibarr 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 update_invoice_line? +

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

What risk level is update_invoice_line? +

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

Can I rate-limit update_invoice_line? +

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

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

update_invoice_line is provided by the Dolibarr MCP Server MCP server (marioser/dolibarr-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.