verify_receipt

Verify that a previous mutation actually landed on Spotify by looking up its receipt

SERVERSpotify SOURCE@novalux12/spotify-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/novalux12-spotify-mcp/verify-receipt.md

WHAT IT DOES

What verify_receipt does on Spotify

AI agents call verify_receipt to retrieve information from Spotify without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why verify_receipt is rated Low

Even though verify_receipt only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

verify_receipt Allowed

verify_receipt is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "verify_receipt": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about verify_receipt

What does the verify_receipt tool do? +

Verify that a previous mutation actually landed on Spotify by looking up its receipt. It is categorised as a Read tool in the Spotify MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on verify_receipt? +

Register the Spotify MCP server in PolicyLayer and add a rule for verify_receipt: 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 verify_receipt? +

verify_receipt is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit verify_receipt? +

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

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

verify_receipt 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

More on Spotify, and thousands of servers like it.

This server

All 544 Spotify tools →

Across the catalogue

The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →