change-webhook-subscription · HeadHunter API MCP Server MCP

WHAT IT DOES

What change-webhook-subscription does on HeadHunter API MCP Server

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

WHY IT NEEDS A POLICY

Why change-webhook-subscription needs a policy

The tool modifies an existing webhook subscription configuration, which is a reversible write operation. Misuse could redirect or disable notifications, affecting platform integrations, but it does not delete data or execute arbitrary code.

From the tool's definition Change a subscription on notifications

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

change-webhook-subscription Rate-limited

change-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": {
    "change-webhook-subscription": {
      "limits": [
        {
          "counter": "change-webhook-subscription_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 HeadHunter API MCP Server, so you can run agents against it safely.

FAQ

Questions about change-webhook-subscription

What does the change-webhook-subscription tool do? +

Change a subscription on notifications. It is categorised as a Write tool in the HeadHunter API 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 change-webhook-subscription? +

Register the HeadHunter API MCP Server MCP server in PolicyLayer and add a rule for change-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 HeadHunter API MCP Server. Nothing to install.

What risk level is change-webhook-subscription? +

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

Can I rate-limit change-webhook-subscription? +

Yes. Add a rate_limit block to the change-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 change-webhook-subscription completely? +

Set action: deny in the PolicyLayer policy for change-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 change-webhook-subscription? +

change-webhook-subscription is provided by the HeadHunter API MCP Server MCP server (sargonpiraev/hh-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.