skyfi_create_webhook_subscription · SkyFi MCP Server MCP

WHAT IT DOES

What skyfi_create_webhook_subscription does on SkyFi MCP Server

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

WHY IT NEEDS A POLICY

Why skyfi_create_webhook_subscription needs a policy

This tool creates a new webhook subscription, which is a reversible data modification (Write category). The severity is medium because misconfiguration could cause unwanted notifications to be sent to attacker-controlled endpoints, potentially exposing sensitive imagery metadata or alert data.

From the tool's definition Tool name contains 'create' and description states 'Create a webhook subscription'. This creates a new subscription resource that persists in the system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

skyfi_create_webhook_subscription Rate-limited

skyfi_create_webhook_subscription 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": {
    "skyfi_create_webhook_subscription": {
      "limits": [
        {
          "counter": "skyfi_create_webhook_subscription_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about skyfi_create_webhook_subscription

What does the skyfi_create_webhook_subscription tool do? +

Create a webhook subscription for SkyFi notifications and alerts. It is categorised as a Write tool in the SkyFi 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 skyfi_create_webhook_subscription? +

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

What risk level is skyfi_create_webhook_subscription? +

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

Can I rate-limit skyfi_create_webhook_subscription? +

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

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

skyfi_create_webhook_subscription is provided by the SkyFi MCP Server MCP server (pskinnertech/skyfi-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.