download_url

Download a URL through Mealie's utility download endpoint.

SERVERMealie MCP Server SOURCEnikopol666/mealie-mcp

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/nikopol666-mealie-mcp/download-url.md

WHAT IT DOES

What download_url does on Mealie MCP Server

AI agents invoke download_url to trigger actions in Mealie MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why download_url is rated High

This tool triggers an external operation (fetching/downloading content from a URL via Mealie's backend), which constitutes execution of a network request with side effects that depend on the URL argument. It is not a simple read of local data — it causes Mealie's server to make an outbound HTTP request to an arbitrary URL, which could be used for SSRF or unintended data retrieval.

From the tool's definition "Download a URL through Mealie's utility download endpoint"

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs download_url 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 download_url, this is the rule to start with:

download_url Rate-limited

download_url stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "download_url": {
      "limits": [
        {
          "counter": "download_url_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-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 download_url call is checked against it from then on.

FAQ

Questions about download_url

What does the download_url tool do? +

Download a URL through Mealie's utility download endpoint. It is categorised as a Execute tool in the Mealie MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on download_url? +

Register the Mealie MCP Server MCP server in PolicyLayer and add a rule for download_url: 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 download_url? +

download_url is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit download_url? +

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

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

download_url is provided by the Mealie MCP Server MCP server (nikopol666/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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