lookup_credit_card_validate

SERVERGoCreative Agent API SOURCEhttps://api.gocreativeai.com/mcp

Critical RISK CLASS

Category Financial

Parameters 10 required

Recommended Approval-gatedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/io-github-colinhughes2121-gocreative-agent-api/lookup-credit-card-validate.md

WHAT IT DOES

What lookup_credit_card_validate does on GoCreative Agent API

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

Parameter	Type	Required	Description
`query_string`	string	—

Parameters from the server's own tool schema.

RISK

Why lookup_credit_card_validate is rated Critical

Each invocation commits a real USDC micropayment on Base blockchain, making it a Financial action. Additionally, the tool handles raw credit-card numbers, which are sensitive PAN data — misuse by an AI agent (e.g., bulk validation of harvested card numbers) could constitute financial fraud enablement, raising severity to high despite the per-call cost being small.

From the tool's definition Cost: $0.005–$0.05 USDC on Base per call; x402 + USDC on Base payment model; processes credit-card numbers for Luhn validation and network detection

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs lookup_credit_card_validate safely

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

lookup_credit_card_validate Approval-gated

Any call to lookup_credit_card_validate 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": {
    "lookup_credit_card_validate": {
      "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 GoCreative Agent API, apply this rule, and every lookup_credit_card_validate call is checked against it from then on.

FAQ

Questions about lookup_credit_card_validate

What does the lookup_credit_card_validate tool do? +

Luhn-validate a credit-card number and detect the network. Pass ?number=... as query. Use for fintech UX agents (NOT a fraud check). Example call: {"query_string": "number=4111111111111111"} Cost: $0.005–$0.05 USDC on Base per call. It is categorised as a Financial tool in the GoCreative Agent API MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does lookup_credit_card_validate accept? +

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

How do I enforce a policy on lookup_credit_card_validate? +

Register the GoCreative Agent API MCP server in PolicyLayer and add a rule for lookup_credit_card_validate: 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 GoCreative Agent API. Nothing to install.

What risk level is lookup_credit_card_validate? +

lookup_credit_card_validate 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 lookup_credit_card_validate? +

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

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

lookup_credit_card_validate is provided by the GoCreative Agent API MCP server (https://api.gocreativeai.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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