add_bundle_deal

THE RISK

Medium Risk

Why add_bundle_deal needs a policy

This tool creates new data structures (bundle-deal promotions) that can be modified or deleted later, making it Write category rather than Read. Severity is medium because misuse could create incorrect promotional pricing that affects business operations and customer transactions, but the effect is reversible (bundles can be modified or deleted).

From the tool's definition Tool description states 'Create a bundle-deal promotion' — this is a create operation that modifies promotional/pricing data. The tool generates new bundle deal records in what appears to be an e-commerce or invoicing system (AFIP context).

Documented attack patterns abuse exactly the kind of access add_bundle_deal gives an agent:

POLICY

How to control add_bundle_deal

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 add_bundle_deal:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_bundle_deal": {
      "limits": [
        {
          "counter": "add_bundle_deal_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

add_bundle_deal 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.

Create a free account and register Mcp Afip — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about add_bundle_deal

What does the add_bundle_deal tool do? +

Create a bundle-deal promotion (e.g. buy-N-for-X, buy-N-get-Y%-off, fixed-price bundle). Items are attached via add_bundle_deal_item (not exposed here). 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.

How do I enforce a policy on add_bundle_deal? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for add_bundle_deal: 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.

What risk level is add_bundle_deal? +

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

Can I rate-limit add_bundle_deal? +

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

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

add_bundle_deal 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.

Enforce policy on every Mcp Afip tool call.

Start from Mcp Afip, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →