neuron_checkout

Initiate a checkout session for a subscription plan upgrade. Returns a checkout URL or confirmation to complete the purchase.

SERVERNeuron SOURCEneuron-mcp-server

Critical RISK CLASS

Category Financial

Parameters 11 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-conquext-neuron/neuron-checkout.md

WHAT IT DOES

What neuron_checkout does on Neuron

AI agents use neuron_checkout to commit financial operations through Neuron, usually the final step of a payment, billing, or trading workflow. A call moves real money.

Parameter	Type	Required	Description
`plan`	string	Yes	Subscription plan to purchase: 'pro' or 'business'

Parameters from the server's own tool schema.

RISK

Why neuron_checkout is rated Critical

This tool directly initiates a financial transaction — a subscription plan purchase. It commits financial obligations on behalf of the user. This is unambiguously a Financial category tool with critical severity, as an AI agent misusing it could trigger unauthorized purchases or subscription upgrades.

From the tool's definition Initiate a checkout session for a subscription plan upgrade...complete the purchase

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs neuron_checkout safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Neuron, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For neuron_checkout, this is the rule to start with:

neuron_checkout Approval-gated

Any call to neuron_checkout is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "neuron_checkout": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Neuron, apply this rule, and every neuron_checkout call is checked against it from then on.

FAQ

Questions about neuron_checkout

What does the neuron_checkout tool do? +

Initiate a checkout session for a subscription plan upgrade. Returns a checkout URL or confirmation to complete the purchase. It is categorised as a Financial tool in the Neuron MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does neuron_checkout accept? +

neuron_checkout accepts 1 parameter: plan. Required: plan. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on neuron_checkout? +

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

What risk level is neuron_checkout? +

neuron_checkout is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit neuron_checkout? +

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

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

neuron_checkout is provided by the Neuron MCP server (neuron-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Neuron, and thousands of servers like it.

This server

All 231 Neuron tools → Critical-risk tools on this server →

Across the catalogue

All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →