create_mealplan_rule · Mcp Mealie MCP: Risk & Policy

WHAT IT DOES

What create_mealplan_rule does on Mcp Mealie

AI agents use create_mealplan_rule 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_mealplan_rule needs a policy

This tool creates a new meal-plan rule, which is a reversible write operation that modifies the meal planning configuration. It does not execute arbitrary code, delete data irreversibly, move money, or read-only access data. The blast radius is limited to meal-plan rule configuration within a personal recipe management system.

From the tool's definition Tool name 'create_mealplan_rule' with verb 'create' indicates a write operation. Description states 'Create a meal-plan rule,' which creates new data in the Mealie system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_mealplan_rule Rate-limited

create_mealplan_rule 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_mealplan_rule": {
      "limits": [
        {
          "counter": "create_mealplan_rule_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_mealplan_rule

What does the create_mealplan_rule tool do? +

Create a meal-plan rule. 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_mealplan_rule? +

Register the Mcp Mealie MCP server in PolicyLayer and add a rule for create_mealplan_rule: 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_mealplan_rule? +

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

Can I rate-limit create_mealplan_rule? +

Yes. Add a rate_limit block to the create_mealplan_rule 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_mealplan_rule completely? +

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

create_mealplan_rule 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.