trigger_active_group

Trigger a specific group in the active presentation

SERVERPropresenter SOURCE@alxpark/propresenter-mcp

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-alxpark-propresenter-mcp/trigger-active-group.md

WHAT IT DOES

What trigger_active_group does on Propresenter

AI agents invoke trigger_active_group to trigger actions in Propresenter. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why trigger_active_group is rated High

This tool executes an external operation (triggering a presentation group) whose effects depend on which group is selected. It changes the presentation state in real-time but is not destructive (reversible by triggering another group) and does not create, delete, or modify persistent data. This fits the Execute category as it runs a presentation control operation with effects dependent on arguments.

From the tool's definition Tool name 'trigger_active_group' and description 'Trigger a specific group in the active presentation' indicate execution of a presentation control action.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs trigger_active_group safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Propresenter, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For trigger_active_group, this is the rule to start with:

trigger_active_group Rate-limited

trigger_active_group stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "trigger_active_group": {
      "limits": [
        {
          "counter": "trigger_active_group_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Propresenter, apply this rule, and every trigger_active_group call is checked against it from then on.

FAQ

Questions about trigger_active_group

What does the trigger_active_group tool do? +

Trigger a specific group in the active presentation. It is categorised as a Execute tool in the Propresenter MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on trigger_active_group? +

Register the Propresenter MCP server in PolicyLayer and add a rule for trigger_active_group: 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 Propresenter. Nothing to install.

What risk level is trigger_active_group? +

trigger_active_group is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit trigger_active_group? +

Yes. Add a rate_limit block to the trigger_active_group 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.

How do I block trigger_active_group completely? +

Set action: deny in the PolicyLayer policy for trigger_active_group. 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.

What MCP server provides trigger_active_group? +

trigger_active_group is provided by the Propresenter MCP server (@alxpark/propresenter-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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