Update tracking info for a previously issued invoice
AI agents use track_order_invoice to create or update resources in Mcp Afip — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Afip environment.
This tool modifies invoice-related data (tracking information) but does not delete or destroy records, nor does it execute arbitrary code or move money. It is a reversible update operation on a specific field/aspect of an invoice.
From the tool's definition Tool name 'track_order_invoice' combined with description 'Update tracking info for a previously issued invoice' indicates modification of existing data (tracking information) associated with an invoice.
Documented attack patterns abuse exactly the kind of access track_order_invoice gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Afip, and nothing reaches the server without passing your rules. This is the rule we recommend for track_order_invoice:
{
"version": "1",
"default": "deny",
"tools": {
"track_order_invoice": {
"limits": [
{
"counter": "track_order_invoice_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
} track_order_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.
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Update tracking info for a previously issued invoice. It is categorised as a Write tool in the Mcp Afip MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Afip MCP server in PolicyLayer and add a rule for track_order_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 Mcp Afip. Nothing to install.
track_order_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 track_order_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 track_order_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.
track_order_invoice is provided by the Mcp Afip MCP server (codespar/mcp-dev-latam). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Afip, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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