dual_test_webhook · DUAL MCP Server MCP: Risk & Policy

WHAT IT DOES

What dual_test_webhook does on DUAL MCP Server

AI agents invoke dual_test_webhook to trigger actions in DUAL MCP Server. 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 IT NEEDS A POLICY

Why dual_test_webhook needs a policy

Sending a test payload to a webhook endpoint constitutes executing an external operation. It triggers a real HTTP request to an external service, which may cause side effects on the receiving end (e.g., triggering automations, logging, or processing).

From the tool's definition 'Send a test payload to a webhook endpoint to verify it' — triggers an external HTTP operation to a webhook endpoint

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

dual_test_webhook Rate-limited

dual_test_webhook 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.

View as policy code

policy.json

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

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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_test_webhook

What does the dual_test_webhook tool do? +

Send a test payload to a webhook endpoint to verify it. It is categorised as a Execute tool in the DUAL MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on dual_test_webhook? +

Register the DUAL MCP Server MCP server in PolicyLayer and add a rule for dual_test_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_test_webhook? +

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

Can I rate-limit dual_test_webhook? +

Yes. Add a rate_limit block to the dual_test_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_test_webhook completely? +

Set action: deny in the PolicyLayer policy for dual_test_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_test_webhook? +

dual_test_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.