Generate a Polish VAT invoice PDF. Pass the full invoice JSON (with sprzedawca, nabywca, pozycje, etc.) as a string. Returns invoice number and base64-encoded PDF.
AI agents use generate_invoice to create or update resources in Fakturka Api — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Fakturka Api environment.
This tool creates new invoice documents that represent binding financial records in the Polish VAT system. While not directly moving money (Financial category), it creates official financial documents that could be used for fraudulent invoicing, tax evasion, or financial misrepresentation. The high severity reflects that generated invoices are persistent records with legal and tax implications.
From the tool's definition Tool generates and outputs a PDF invoice document with an assigned invoice number. Description states 'Generate a Polish VAT invoice PDF' and 'Returns invoice number and base64-encoded PDF', indicating creation of a new financial document with persistent…
Attacks that exploit this kind of access
Generate a Polish VAT invoice PDF. Pass the full invoice JSON (with sprzedawca, nabywca, pozycje, etc.) as a string. Returns invoice number and base64-encoded PDF. It is categorised as a Write tool in the Fakturka Api MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Fakturka Api MCP server in PolicyLayer and add a rule for generate_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 Fakturka Api. Nothing to install.
generate_invoice is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the generate_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.
Set action: deny in the PolicyLayer policy for generate_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.
generate_invoice is provided by the Fakturka Api MCP server (softvoyagers/fakturka-api-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →