This record as markdown: /tools/io-github-dreamrec-livepilot/extract-piano-roll.md
What extract_piano_roll does on Livepilot
AI agents call extract_piano_roll to retrieve information from Livepilot without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why extract_piano_roll is rated Low
The verb 'extract' implies reading/querying piano roll information from the session rather than modifying, deleting, or executing external operations. Given the context of an Ableton Live copilot, this likely retrieves note data for analysis or export. The empty description reduces confidence, but the naming pattern and sibling tools (analyze_*, add_*) suggest this is a retrieval operation.
From the tool's definition Tool name 'extract_piano_roll' suggests retrieving or exporting piano roll data from Ableton Live without modification. The 'extract' verb typically indicates data retrieval. No description provided to confirm side effects.
Attacks that exploit this kind of access
The rule that runs extract_piano_roll safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Livepilot, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For extract_piano_roll, this is the rule to start with:
extract_piano_roll is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Livepilot, apply this rule, and every extract_piano_roll call is checked against it from then on.
Questions about extract_piano_roll
extract_piano_roll is a read tool on the Livepilot MCP server. It is categorised as a Read tool in the Livepilot MCP Server, which means it retrieves data without modifying state.
Register the Livepilot MCP server in PolicyLayer and add a rule for extract_piano_roll: 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 Livepilot. Nothing to install.
extract_piano_roll 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 extract_piano_roll 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 extract_piano_roll. 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.
extract_piano_roll is provided by the Livepilot MCP server (livepilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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