AI agents call get_song_info to retrieve information from Guitar Pro without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves metadata or data about an existing Guitar Pro song without modifying, executing operations on, or deleting content. This is consistent with Read category semantics. Low severity due to information disclosure only—no code execution, financial impact, or destructive capability. Confidence reduced from high to medium-high due to absent description.
From the tool's definition Tool name 'get_song_info' indicates retrieval of song information. Sibling tools are predominantly creation/modification tools (add_*, create_*), which by contrast establishes this as a query/retrieval operation.
Documented attack patterns abuse exactly the kind of access get_song_info gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Guitar Pro, and nothing reaches the server without passing your rules. This is the rule we recommend for get_song_info:
{
"version": "1",
"default": "deny",
"tools": {
"get_song_info": {}
}
}get_song_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_song_info. It is categorised as a Read tool in the Guitar Pro MCP Server, which means it retrieves data without modifying state.
Register the Guitar Pro MCP server in PolicyLayer and add a rule for get_song_info: 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 Guitar Pro. Nothing to install.
get_song_info 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 get_song_info 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 get_song_info. 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.
get_song_info is provided by the Guitar Pro MCP server (wegitor/guitar-pro-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Guitar Pro, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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35 Guitar Pro tools catalogued and risk-classified — across an index of 43,000+ MCP servers.