create_beat_grid_sequencer
Build a programmable step-grid sequencer driven by a Beat CHOP on the global TD tempo: a Table DAT holds the per-step pattern (values or 1/0 flags), and a CHOP Execute DAT fires on every beat boundary, reads the current step (count % steps) from the table, and dispatches — action=param sets a cus...
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What create_beat_grid_sequencer does on Aos
AI agents use create_beat_grid_sequencer to create or update resources in Aos, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Aos environment.
Why create_beat_grid_sequencer is rated Medium
This tool creates and configures a beat sequencer system in TouchDesigner — it creates nodes (Table DAT, CHOP Execute DAT), writes pattern data to a table, and sets up parameter automation. These are reversible write/create operations within the TouchDesigner project. While it 'executes' on each beat, the tool itself is setting up the structure, not running arbitrary code or irreversibly destroying data.
From the tool's definition Build a programmable step-grid sequencer... a Table DAT holds the per-step pattern... a CHOP Execute DAT fires on every beat boundary, reads the current step...
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs create_beat_grid_sequencer safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Aos, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_beat_grid_sequencer, this is the rule to start with:
create_beat_grid_sequencer 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 Aos, apply this rule, and every create_beat_grid_sequencer call is checked against it from then on.
Questions about create_beat_grid_sequencer
Build a programmable step-grid sequencer driven by a Beat CHOP on the global TD tempo: a Table DAT holds the per-step pattern (values or 1/0 flags), and a CHOP Execute DAT fires on every beat boundary, reads the current step (count % steps) from the table, and dispatches — action=param sets a custom parameter to the step value; action=cue recalls the cue for active steps (cues stored with manage_cue). The deterministic, repeating-rhythm instrument between create_autopilot (random drift) and create_cue_sequencer (linear list): program a strobe on beats 1+3, a hue shift on the bar, etc. Reprogramme the grid live by editing the step_table DAT. NOTE: beat-callback timing is UNVERIFIED offline — check op().time.play if steps don. It is categorised as a Write tool in the Aos MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Aos MCP server in PolicyLayer and add a rule for create_beat_grid_sequencer: 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 Aos. Nothing to install.
create_beat_grid_sequencer 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 create_beat_grid_sequencer 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 create_beat_grid_sequencer. 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.
create_beat_grid_sequencer is provided by the Aos MCP server (@hybridlabor-api/aos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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