set_group_fold
Fold or unfold a group track to show/hide its children.
This record as markdown: /tools/io-github-dreamrec-livepilot/set-group-fold.md
What set_group_fold does on Livepilot
AI agents use set_group_fold to create or update resources in Livepilot, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Livepilot environment.
Why set_group_fold is rated Medium
This is a non-destructive, reversible modification that changes the UI/project state (folding/unfolding a group track). It does not delete data, execute arbitrary code, or cause side effects beyond toggling a boolean property. The action can be immediately undone, making it a Write operation rather than Execute or Destructive.
From the tool's definition Tool modifies a track's visual state via 'fold or unfold' operation. The description explicitly states it shows/hides children, indicating a reversible state change to the Ableton Live project.
Attacks that exploit this kind of access
The rule that runs set_group_fold 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 set_group_fold, this is the rule to start with:
set_group_fold 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Livepilot, apply this rule, and every set_group_fold call is checked against it from then on.
Questions about set_group_fold
Fold or unfold a group track to show/hide its children. It is categorised as a Write tool in the Livepilot MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Livepilot MCP server in PolicyLayer and add a rule for set_group_fold: 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.
set_group_fold 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_group_fold 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_group_fold. 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_group_fold 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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