library_trigger_presentation_cue

THE RISK

High Risk

Why library_trigger_presentation_cue needs a policy

This tool executes a specific operation—triggering a presentation cue—which changes the state of the presentation software and affects what is displayed/played. While not destructive or financial, it represents an external operation whose effects depend on which cue is triggered. The blast radius is medium because triggering wrong cues could disrupt a live presentation, but it is reversible and doesn't damage data.

From the tool's definition Tool name contains 'trigger' and description states 'Trigger a specific cue of a presentation'. The term 'trigger' indicates execution of an action (playing a cue point in a presentation), not mere data retrieval.

Documented attack patterns abuse exactly the kind of access library_trigger_presentation_cue gives an agent:

POLICY

How to control library_trigger_presentation_cue

PolicyLayer is an MCP gateway — it sits between your AI agents and Propresenter, and nothing reaches the server without passing your rules. This is the rule we recommend for library_trigger_presentation_cue:

policy.json

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

library_trigger_presentation_cue 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.

Create a free account and register Propresenter — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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All 177 Propresenter tools →

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Go deeper

High-risk tools in Propresenter → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about library_trigger_presentation_cue

What does the library_trigger_presentation_cue tool do? +

Trigger a specific cue of a presentation in a library. 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 library_trigger_presentation_cue? +

Register the Propresenter MCP server in PolicyLayer and add a rule for library_trigger_presentation_cue: 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 library_trigger_presentation_cue? +

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

Can I rate-limit library_trigger_presentation_cue? +

Yes. Add a rate_limit block to the library_trigger_presentation_cue 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 library_trigger_presentation_cue completely? +

Set action: deny in the PolicyLayer policy for library_trigger_presentation_cue. 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 library_trigger_presentation_cue? +

library_trigger_presentation_cue 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.

Enforce policy on every Propresenter tool call.

Start from Propresenter, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →