playlist_filter_runtime

Keep only items whose duration falls inside a window (e.g. min_sec 120 → drop intros/interludes;

SERVERSpotify SOURCE@novalux12/spotify-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/novalux12-spotify-mcp/playlist-filter-runtime.md

WHAT IT DOES

What playlist_filter_runtime does on Spotify

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

RISK

Why playlist_filter_runtime is rated Medium

Filters playlist by removing tracks that fall outside duration window, modifying playlist contents.

From the tool's definition Keep only items... drop intros/interludes

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs playlist_filter_runtime safely

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

playlist_filter_runtime Rate-limited

playlist_filter_runtime 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": {
    "playlist_filter_runtime": {
      "limits": [
        {
          "counter": "playlist_filter_runtime_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 Spotify, apply this rule, and every playlist_filter_runtime call is checked against it from then on.

FAQ

Questions about playlist_filter_runtime

What does the playlist_filter_runtime tool do? +

Keep only items whose duration falls inside a window (e.g. min_sec 120 → drop intros/interludes;. It is categorised as a Write tool in the Spotify MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on playlist_filter_runtime? +

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

What risk level is playlist_filter_runtime? +

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

Can I rate-limit playlist_filter_runtime? +

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

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

playlist_filter_runtime is provided by the Spotify MCP server (@novalux12/spotify-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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