EventManagerService_DeleteTrigger

THE RISK

Critical Risk

Why EventManagerService_DeleteTrigger needs a policy

This tool irreversibly removes a trigger configuration. Deletion cannot be undone without manual restoration. Although the server description focuses on Bitcoin blockchain operations, this tool performs a destructive action on trigger management infrastructure.

From the tool's definition Tool name includes 'DeleteTrigger' and description states 'Remove a trigger' and 'Deletes a specific trigger'. The verb 'delete' and 'remove' are explicit destructive operations.

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

POLICY

How to control EventManagerService_DeleteTrigger

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

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "EventManagerService_DeleteTrigger"
  ]
}

EventManagerService_DeleteTrigger disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

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

RESTRICT THIS TOOL →

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EXPLORE

Related tools and policies

More Maestro MCP Server tools

Execute esplora_broadcast_transaction Broadcast a raw transaction to the network. The transaction should be provided as hex in t Execute rpc_submit_transaction Pushes a signed raw transaction to the network. Write EventManagerService_CreateTrigger Create a new trigger Adds a trigger to a manager to listen for specific blockchain activ Write EventManagerService_UpdateTrigger Update a trigger Allows modification of a trigger Read rpc_block_range_info Fetches basic info for a contiguous block range (start and end height). Read brc20_transfer_inscriptions_by_address Returns all unspent BRC20 transfer inscriptions residing at the address. This endpoint is Read activity_by_inscription Lists all transactions that have involved the given inscription, starting from its origin Read activity_by_rune Returns all transactions where the Rune was used or transferred, beginning with the etchin

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Go deeper

Critical-risk tools in Maestro MCP Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-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.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about EventManagerService_DeleteTrigger

What does the EventManagerService_DeleteTrigger tool do? +

Remove a trigger Deletes a specific trigger identified by its unique \. It is categorised as a Destructive tool in the Maestro MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on EventManagerService_DeleteTrigger? +

Register the Maestro MCP Server MCP server in PolicyLayer and add a rule for EventManagerService_DeleteTrigger: 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 Maestro MCP Server. Nothing to install.

What risk level is EventManagerService_DeleteTrigger? +

EventManagerService_DeleteTrigger is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit EventManagerService_DeleteTrigger? +

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

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

EventManagerService_DeleteTrigger is provided by the Maestro MCP Server MCP server (maestro-org/maestro-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Maestro MCP Server tool call.

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

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