create_shopping_item · Mcp Mealie MCP: Risk & Policy

WHAT IT DOES

What create_shopping_item does on Mcp Mealie

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

WHY IT NEEDS A POLICY

Why create_shopping_item needs a policy

This tool creates a new shopping list item, which is a reversible write operation. It modifies data (adds an entry) but does not delete, destroy, execute code, or commit financial transactions. The scope is limited to a single item on a personal shopping list, making the blast radius minimal if misused by an agent.

From the tool's definition Tool name 'create_shopping_item' and description 'Create a single shopping item on a list' indicate a create operation that adds data to a shopping list without side effects beyond the intended addition.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_shopping_item Rate-limited

create_shopping_item 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_shopping_item": {
      "limits": [
        {
          "counter": "create_shopping_item_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 Mcp Mealie, so you can run agents against it safely.

FAQ

Questions about create_shopping_item

What does the create_shopping_item tool do? +

Create a single shopping item on a list. It is categorised as a Write tool in the Mcp Mealie 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_shopping_item? +

Register the Mcp Mealie MCP server in PolicyLayer and add a rule for create_shopping_item: 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 Mealie. Nothing to install.

What risk level is create_shopping_item? +

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

Can I rate-limit create_shopping_item? +

Yes. Add a rate_limit block to the create_shopping_item 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_shopping_item completely? +

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

create_shopping_item is provided by the Mcp Mealie MCP server (obrien-matthew/mcp-mealie). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.