create_tool

Create a new recipe tool/equipment entry.

SERVERMealie MCP Server SOURCEgraysoncadams/mealie-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/graysoncadams-mealie-mcp/create-tool.md

WHAT IT DOES

What create_tool does on Mealie MCP Server

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

RISK

Why create_tool is rated Medium

This tool creates new entries in a recipe management system (tools/equipment for recipes). Creation is reversible through deletion, and the blast radius of misuse is minimal — an attacker could add spurious kitchen tool entries, cluttering the recipe system but causing no financial harm, data loss, or unauthorized code execution. This fits the Write category.

From the tool's definition Tool description states 'Create a new recipe tool/equipment entry' — the verb 'Create' indicates data creation rather than retrieval, modification of existing data, or irreversible deletion. The scope is limited to recipe tools/equipment metadata.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_tool safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mealie MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_tool, this is the rule to start with:

create_tool Rate-limited

create_tool 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_tool": {
      "limits": [
        {
          "counter": "create_tool_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mealie MCP Server, apply this rule, and every create_tool call is checked against it from then on.

FAQ

Questions about create_tool

What does the create_tool tool do? +

Create a new recipe tool/equipment entry. It is categorised as a Write tool in the Mealie MCP Server 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_tool? +

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

What risk level is create_tool? +

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

Can I rate-limit create_tool? +

Yes. Add a rate_limit block to the create_tool 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_tool completely? +

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

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

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