announcement_trigger_cue
Trigger a specific cue by index in the active announcement
This record as markdown: /tools/io-github-alxpark-propresenter-mcp/announcement-trigger-cue.md
What announcement_trigger_cue does on Propresenter
AI agents invoke announcement_trigger_cue 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.
Why announcement_trigger_cue is rated High
This tool executes an external operation (triggering a cue in ProPresenter 7 presentation software) whose effects depend on the cue index argument. It is not merely reading data (Read), creating reversible data (Write), or permanently deleting data (Destructive).
From the tool's definition Tool name contains 'trigger' and description states 'Trigger a specific cue by index in the active announcement' — triggering a cue causes ProPresenter to execute a media or display action that depends on the cue index argument provided.
Attacks that exploit this kind of access
The rule that runs announcement_trigger_cue 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 announcement_trigger_cue, this is the rule to start with:
announcement_trigger_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.
The button opens the PolicyLayer dashboard: create your workspace, connect Propresenter, apply this rule, and every announcement_trigger_cue call is checked against it from then on.
Questions about announcement_trigger_cue
Trigger a specific cue by index in the active announcement. 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.
Register the Propresenter MCP server in PolicyLayer and add a rule for announcement_trigger_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.
announcement_trigger_cue is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the announcement_trigger_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.
Set action: deny in the PolicyLayer policy for announcement_trigger_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.
announcement_trigger_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.
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