create_shopping_list · DIY Helper MCP Servers MCP

WHAT IT DOES

What create_shopping_list does on DIY Helper MCP Servers

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

WHY IT NEEDS A POLICY

Why create_shopping_list needs a policy

The tool creates structured data (a shopping list) that can be modified or deleted later. This is a reversible write operation with minimal blast radius—a malformed shopping list is inconvenient but not destructive, not executable, and not financially risky. The context (DIY construction project planning) confirms this is a data creation utility without autonomous external actions.

From the tool's definition Tool name 'create_shopping_list' and description 'Create a complete shopping list with products and quantities' indicate the tool creates and stores new data (a shopping list) without irreversible deletion or side effects like code execution.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_shopping_list Rate-limited

create_shopping_list 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_list": {
      "limits": [
        {
          "counter": "create_shopping_list_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 DIY Helper MCP Servers, so you can run agents against it safely.

FAQ

Questions about create_shopping_list

What does the create_shopping_list tool do? +

Create a complete shopping list with products and quantities. It is categorised as a Write tool in the DIY Helper MCP Servers 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_list? +

Register the DIY Helper MCP Servers MCP server in PolicyLayer and add a rule for create_shopping_list: 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 DIY Helper MCP Servers. Nothing to install.

What risk level is create_shopping_list? +

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

Can I rate-limit create_shopping_list? +

Yes. Add a rate_limit block to the create_shopping_list 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_list completely? +

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

create_shopping_list is provided by the DIY Helper MCP Servers MCP server (jrszilard/diy-helper-mcp-servers). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.