AI agents use set_track_properties to create or update resources in Guitar Pro — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Guitar Pro environment.
This tool modifies existing track metadata/properties in Guitar Pro files without deleting data or executing arbitrary code. Changes to track properties (volume, pan, instrument, etc.) are reversible edits typical of Write-category tools. Medium severity reflects the potential for unintended musical content corruption if misused by an agent, but the impact is limited to a single file's metadata and can be undone.
From the tool's definition Tool name 'set_track_properties' indicates modification of track attributes in Guitar Pro files. Sibling tools include 'add_gp_track', 'add_gp_note', 'add_gp_measure', establishing this server's purpose as modifying Guitar Pro file content.
Documented attack patterns abuse exactly the kind of access set_track_properties 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 set_track_properties:
{
"version": "1",
"default": "deny",
"tools": {
"set_track_properties": {
"limits": [
{
"counter": "set_track_properties_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}set_track_properties 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.
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set_track_properties. It is categorised as a Write tool in the Guitar Pro MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Guitar Pro MCP server in PolicyLayer and add a rule for set_track_properties: 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.
set_track_properties is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the set_track_properties 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 set_track_properties. 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.
set_track_properties 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.