keyid_create_webhook · KeyID Agent Kit MCP: Risk & Policy

WHAT IT DOES

What keyid_create_webhook does on KeyID Agent Kit

AI agents use keyid_create_webhook to create or update resources in KeyID Agent Kit — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your KeyID Agent Kit environment.

WHY IT NEEDS A POLICY

Why keyid_create_webhook needs a policy

This tool creates a new webhook configuration, which modifies the email account's state by establishing an outbound notification channel. This is reversible (webhooks can be deleted), so it falls under Write rather than Destructive.

From the tool's definition Tool creates a webhook endpoint to receive event notifications. The description indicates it 'creates' a configuration that will persistently receive events. Webhook creation is a data-modification operation that sets up external integrations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

keyid_create_webhook Rate-limited

keyid_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": {
    "keyid_create_webhook": {
      "limits": [
        {
          "counter": "keyid_create_webhook_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about keyid_create_webhook

What does the keyid_create_webhook tool do? +

Create a webhook to receive event notifications. It is categorised as a Write tool in the KeyID Agent Kit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on keyid_create_webhook? +

Register the KeyID Agent Kit MCP server in PolicyLayer and add a rule for keyid_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 KeyID Agent Kit. Nothing to install.

What risk level is keyid_create_webhook? +

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

Can I rate-limit keyid_create_webhook? +

Yes. Add a rate_limit block to the keyid_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 keyid_create_webhook completely? +

Set action: deny in the PolicyLayer policy for keyid_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 keyid_create_webhook? +

keyid_create_webhook is provided by the KeyID Agent Kit MCP server (keyid-ai/agent-kit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.