download_and_scan_package · Mcp Semclone MCP: Risk & Policy

WHAT IT DOES

What download_and_scan_package does on Mcp Semclone

AI agents invoke download_and_scan_package to trigger actions in Mcp Semclone. 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.

WHY IT NEEDS A POLICY

Why download_and_scan_package needs a policy

The tool name suggests two operations: downloading a package from an external source (which involves network I/O and writing data locally) and scanning it (executing analysis). Downloading external packages poses risks such as fetching malicious content or unintended side effects.

From the tool's definition Tool name 'download_and_scan_package' implies downloading external content and executing a scan operation. Description is empty, reducing confidence.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

download_and_scan_package Rate-limited

download_and_scan_package 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_and_scan_package": {
      "limits": [
        {
          "counter": "download_and_scan_package_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-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 Semclone, so you can run agents against it safely.

FAQ

Questions about download_and_scan_package

What does the download_and_scan_package tool do? +

download_and_scan_package. It is categorised as a Execute tool in the Mcp Semclone 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_and_scan_package? +

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

What risk level is download_and_scan_package? +

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

Can I rate-limit download_and_scan_package? +

Yes. Add a rate_limit block to the download_and_scan_package 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_and_scan_package completely? +

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

download_and_scan_package is provided by the Mcp Semclone MCP server (semclone/mcp-semclone). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.