dual_create_webhook · DUAL MCP Server MCP: Risk & Policy

WHAT IT DOES

What dual_create_webhook does on DUAL MCP Server

AI agents use dual_create_webhook to create or update resources in DUAL MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your DUAL MCP Server environment.

WHY IT NEEDS A POLICY

Why dual_create_webhook needs a policy

Creating a webhook is a reversible write operation that establishes a new notification endpoint. While it modifies platform configuration, it does not delete data (not Destructive), execute arbitrary code (not Execute), nor move funds (not Financial).

From the tool's definition Tool name 'dual_create_webhook' and description 'Register a webhook' indicate creation of a new webhook configuration. This is a write operation that modifies platform state by adding a new webhook endpoint.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

dual_create_webhook Rate-limited

dual_create_webhook stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "dual_create_webhook": {
      "limits": [
        {
          "counter": "dual_create_webhook_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches DUAL MCP Server, so you can run agents against it safely.

FAQ

Questions about dual_create_webhook

What does the dual_create_webhook tool do? +

Register a webhook to receive real-time notifications when events occur on the platform. It is categorised as a Write tool in the DUAL MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on dual_create_webhook? +

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

What risk level is dual_create_webhook? +

dual_create_webhook is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit dual_create_webhook? +

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

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

dual_create_webhook is provided by the DUAL MCP Server MCP server (ro-ro-b/dual-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.