verge_update_user · Verge MCP Server MCP: Risk & Policy

WHAT IT DOES

What verge_update_user does on Verge MCP Server

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

WHY IT NEEDS A POLICY

Why verge_update_user needs a policy

This tool modifies user account information reversibly (Write category), not destructively. However, severity is high because user profile updates could affect authentication, permissions, or security settings. The tool operates within a secured CMS with token persistence, but unauthorized user data modification could compromise account integrity or escalate privileges.

From the tool's definition Tool name 'verge_update_user' and description 'ユーザー情報を更新します' (Update user information) indicate modification of existing data. Siblings include create, delete, and get operations suggesting full CRUD capability on a CMS system with user authentication.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

verge_update_user Rate-limited

verge_update_user 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": {
    "verge_update_user": {
      "limits": [
        {
          "counter": "verge_update_user_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 Verge MCP Server, so you can run agents against it safely.

FAQ

Questions about verge_update_user

What does the verge_update_user tool do? +

ユーザー情報を更新します. It is categorised as a Write tool in the Verge 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 verge_update_user? +

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

What risk level is verge_update_user? +

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

Can I rate-limit verge_update_user? +

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

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

verge_update_user is provided by the Verge MCP Server MCP server (tomohirof/verge-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.