How to Use the Luhn CC Validator MCP in Windsurf

Stop bad data at the source. Use the Luhn CC Validator MCP Server directly within Windsurf to catch fake card numbers before they hit your API.

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Connect Luhn CC Validator MCP to Windsurf

Create your Vinkius account to connect Luhn CC Validator to Windsurf and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Luhn CC Validator with Windsurf

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Instant Luhn validation in Windsurf

Cascade needs to know if a card number is mathematically sound before it attempts an API call. The `validate_luhn` tool provides an immediate checksum result so your agent doesn't waste time on obviously invalid strings. This prevents your agent from hallucinating numbers that fail at the gateway level. You get a clear status response that lets your workflow proceed only when the data is structurally correct.

Automated card brand detection

The `validate_luhn` tool identifies the card brand alongside the mathematical check. Windsurf uses this data to route requests to the correct payment processor logic without manual intervention. It detects common card types like Visa, Mastercard, and Amex from the string provided. This saves you from writing custom regex patterns for every single card issuer.

Error reduction for agentic flows

Your agent can now self-correct when generating test data for your checkout flows. By calling `validate_luhn` as a pre-flight step, it catches errors before they cause a production failure. This keeps your logs clean and prevents account flagging due to repeated invalid requests. It is a simple check that adds significant reliability to your autonomous coding sessions.

Setup guide

Set up Luhn CC Validator MCP in Windsurf

Prerequisites

Windsurf IDE installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Click the Cascade assistant icon in the sidebar, then click the hammer icon (🔨) at the top of the panel. Select "Configure" to open ~/.codeium/windsurf/mcp_config.json.
2

Add the Luhn CC Validator MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Refresh MCPs

Go back to the hammer icon (🔨) in Cascade and click "Refresh". Windsurf will detect the new server. No full restart is needed — the connection is hot-reloaded.
4

Verify in Cascade

Start a new Cascade conversation and ask something like "Show my Luhn CC Validator payment history." If connected, Cascade will call the Luhn CC Validator tools directly. You will see a green dot next to the server name in the MCP panel.

mcp_config.json

{
  "mcpServers": {
    "luhn-cc-validator-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about Luhn CC Validator MCP in Windsurf

Open your MCP settings within the Cascade panel. You can add the server configuration directly there or use the built-in marketplace for one-click setup.

Yes. It acts as a gatekeeper that verifies the math behind the card number. If the check fails, your agent knows to stop rather than sending the bad data.

Absolutely. The tool returns the brand type as part of the validation response, which your agent can use to categorize the payment method.

The server runs in a V8 isolate sandbox. It does not store your data, and the environment resets after every session.

The server only processes the card number string you send to perform the mathematical checksum. No payment data is ever persisted or logged.

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