trigger_subscriber_event
Emit a custom event for one subscriber, exactly as an integration or the public API would. This is the supported way to exercise event triggers, matching-field idempotency, branch conditions, and stop conditions end to end without waiting for real traffic. The event is recorded, sync rules apply,...
This record as markdown: /tools/io-github-polnikale-sequenzy-mcp/trigger-subscriber-event.md
What trigger_subscriber_event does on Sequenzy Mcp
AI agents invoke trigger_subscriber_event to trigger actions in Sequenzy Mcp. 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 trigger_subscriber_event is rated High
This tool executes event triggers that cause sequences to enroll subscribers and records events in the system. While it creates subscribers if needed (Write capability), the primary function is triggering automation workflows whose effects depend entirely on the arguments passed.
From the tool's definition Tool description states it 'Emit[s] a custom event for one subscriber' and 'matching event_received sequences enroll.' It triggers external operations (sequence enrollment, sync rules) whose effects depend on the event data provided.
Attacks that exploit this kind of access
The rule that runs trigger_subscriber_event safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sequenzy Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For trigger_subscriber_event, this is the rule to start with:
trigger_subscriber_event 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 Sequenzy Mcp, apply this rule, and every trigger_subscriber_event call is checked against it from then on.
Questions about trigger_subscriber_event
Emit a custom event for one subscriber, exactly as an integration or the public API would. This is the supported way to exercise event triggers, matching-field idempotency, branch conditions, and stop conditions end to end without waiting for real traffic. The event is recorded, sync rules apply, and matching event_received sequences enroll. Creates the subscriber if they do not exist. Use trigger_subscriber_events for several events on the same contact. It is categorised as a Execute tool in the Sequenzy Mcp MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Sequenzy MCP server in PolicyLayer and add a rule for trigger_subscriber_event: 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 Sequenzy Mcp. Nothing to install.
trigger_subscriber_event 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 trigger_subscriber_event 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 trigger_subscriber_event. 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.
trigger_subscriber_event is provided by the Sequenzy MCP server (Sequenzy/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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