AI agents call search_lyrics to retrieve information from Mr Magic without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries multiple lyrics providers and returns search results in preview form. It retrieves data without creating, modifying, deleting, or executing external operations. The preview-only nature and explicit exclusion of full content confirms this is a read-only search operation with minimal security risk.
From the tool's definition Tool described as 'List preview-only candidate matches' and explicitly states 'never include full lyrics or raw provider payloads', indicating retrieval without modification or side effects.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
List preview-only candidate matches from every provider. MCP search results never include full lyrics or raw provider payloads. It is categorised as a Read tool in the Mr Magic MCP Server, which means it retrieves data without modifying state.
Register the Mr Magic MCP server in PolicyLayer and add a rule for search_lyrics: 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 Mr Magic. Nothing to install.
search_lyrics is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the search_lyrics 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.
Set action: deny in the PolicyLayer policy for search_lyrics. 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.
search_lyrics is provided by the Mr Magic MCP server (mr-magic-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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