set_subscription_tier · Cursor Pro Limits MCP Server MCP

WHAT IT DOES

What set_subscription_tier does on Cursor Pro Limits MCP Server

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

WHY IT NEEDS A POLICY

Why set_subscription_tier needs a policy

This tool creates or modifies data reversibly—changing subscription tiers is a write operation that affects billing and service entitlements. It does not irreversibly delete data (not Destructive) or move money directly (not Financial, though it may trigger billing changes downstream).

From the tool's definition Tool name 'set_subscription_tier' and description indicate it modifies subscription configuration by setting tier levels (pro, pro-plus, ultra). This is a state-changing operation that alters user account settings.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_subscription_tier Rate-limited

set_subscription_tier 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": {
    "set_subscription_tier": {
      "limits": [
        {
          "counter": "set_subscription_tier_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 Cursor Pro Limits MCP Server, so you can run agents against it safely.

FAQ

Questions about set_subscription_tier

What does the set_subscription_tier tool do? +

Set the subscription tier (pro, pro-plus, ultra). It is categorised as a Write tool in the Cursor Pro Limits 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 set_subscription_tier? +

Register the Cursor Pro Limits MCP Server MCP server in PolicyLayer and add a rule for set_subscription_tier: 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 Cursor Pro Limits MCP Server. Nothing to install.

What risk level is set_subscription_tier? +

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

Can I rate-limit set_subscription_tier? +

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

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

set_subscription_tier is provided by the Cursor Pro Limits MCP Server MCP server (mehmetfiskindal/cursor-pro-limits-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.