neptime_update_playlist · Neptime MCP: Risk & Policy

WHAT IT DOES

What neptime_update_playlist does on Neptime

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

WHY IT NEEDS A POLICY

Why neptime_update_playlist needs a policy

This tool modifies playlist metadata (name, description, privacy) but does not delete or destroy data. The changes are reversible through subsequent updates. Classified as Write rather than Read (retrieves data) or Destructive (irreversible deletion).

From the tool's definition Tool description states 'Update a playlist you own' with optional parameters for name, description, and privacy settings. Returns 'Updated playlist object', indicating reversible modification of existing data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

neptime_update_playlist Rate-limited

neptime_update_playlist 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": {
    "neptime_update_playlist": {
      "limits": [
        {
          "counter": "neptime_update_playlist_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 Neptime, so you can run agents against it safely.

FAQ

Questions about neptime_update_playlist

What does the neptime_update_playlist tool do? +

Update a playlist you own. Args: - list_id: Playlist ID (required) - name: New name, 2-100 chars (optional) - description: New description (optional) - privacy: public, private, or unlisted (optional) Returns: Updated playlist object. It is categorised as a Write tool in the Neptime MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on neptime_update_playlist? +

Register the Neptime MCP server in PolicyLayer and add a rule for neptime_update_playlist: 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 Neptime. Nothing to install.

What risk level is neptime_update_playlist? +

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

Can I rate-limit neptime_update_playlist? +

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

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

neptime_update_playlist is provided by the Neptime MCP server (neptime-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.