lemonsqueezy_setup · Yaver MCP: Risk & Policy

WHAT IT DOES

What lemonsqueezy_setup does on Yaver

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

WHY IT NEEDS A POLICY

Why lemonsqueezy_setup needs a policy

An AI agent can call lemonsqueezy_setup faster than any human can review — one bad instruction and it creates or modifies resources in Yaver by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

lemonsqueezy_setup Rate-limited

lemonsqueezy_setup 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": {
    "lemonsqueezy_setup": {
      "limits": [
        {
          "counter": "lemonsqueezy_setup_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 Yaver, so you can run agents against it safely.

FAQ

Questions about lemonsqueezy_setup

What does the lemonsqueezy_setup tool do? +

Get Next.js integration code for Lemon Squeezy (webhook handler + checkout). It is categorised as a Write tool in the Yaver MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on lemonsqueezy_setup? +

Register the Yaver MCP server in PolicyLayer and add a rule for lemonsqueezy_setup: 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 Yaver. Nothing to install.

What risk level is lemonsqueezy_setup? +

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

Can I rate-limit lemonsqueezy_setup? +

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

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

lemonsqueezy_setup is provided by the Yaver MCP server (yaver-cli). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.