gateway_setBillingDefaultPaymentMethod

Make the card from a completed setup the default (POST /v1/orgs/{org}/billing/payment-methods/default)

SERVERGenesis SOURCE@onesi/genesis-mcp

Medium RISK CLASS

Category Write

Parameters 33 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/onesi-genesis-mcp/gateway-setbillingdefaultpaymentmethod.md

WHAT IT DOES

What gateway_setBillingDefaultPaymentMethod does on Genesis

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

Parameter	Type	Required	Description
`org`	string	Yes	Your organization id (must be your login session's or your API key's organization)
`body`	object	Yes
`idempotency_key`	string	Yes	Stable key (required); reuse it to replay instead of acting twice

Parameters from the server's own tool schema.

RISK

Why gateway_setBillingDefaultPaymentMethod is rated Medium

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

Risk signalsAccepts raw HTML/template content (body)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gateway_setBillingDefaultPaymentMethod safely

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

gateway_setBillingDefaultPaymentMethod Rate-limited

gateway_setBillingDefaultPaymentMethod 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": {
    "gateway_setBillingDefaultPaymentMethod": {
      "limits": [
        {
          "counter": "gateway_setbillingdefaultpaymentmethod_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about gateway_setBillingDefaultPaymentMethod

What does the gateway_setBillingDefaultPaymentMethod tool do? +

Make the card from a completed setup the default (POST /v1/orgs/{org}/billing/payment-methods/default). It is categorised as a Write tool in the Genesis MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does gateway_setBillingDefaultPaymentMethod accept? +

gateway_setBillingDefaultPaymentMethod accepts 3 parameters: org, body, idempotency_key. Required: org, body, idempotency_key. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on gateway_setBillingDefaultPaymentMethod? +

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

What risk level is gateway_setBillingDefaultPaymentMethod? +

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

Can I rate-limit gateway_setBillingDefaultPaymentMethod? +

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

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

gateway_setBillingDefaultPaymentMethod is provided by the Genesis MCP server (@onesi/genesis-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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