AI agents call find_synced_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 retrieves or queries lyric data with a specific filter (synced/timestamped lyrics only). It performs no data modification, deletion, execution of external code, or financial operations. The operation is purely informational and read-only, fitting the 'Read' category. Low severity reflects minimal blast radius—misuse would only result in returning unwanted query results, not data loss or system compromise.
From the tool's definition Tool name 'find_synced_lyrics' and description 'Find lyrics but reject any candidates that lack timestamps' indicate a search/retrieval operation with filtering criteria. The verb 'find' is a query operation with no side effects.
Attacks that exploit this kind of access
Find lyrics but reject any candidates that lack timestamps. 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 find_synced_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.
find_synced_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 find_synced_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 find_synced_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.
find_synced_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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