MCP Server

Fraud Prevention MCP server using FraudLabs Pro API.

Local serverstdioPython

What is the MCP MCP server?

MCP MCP server exists for a simple reason — assistants are far more useful when they can act on MCP directly instead of describing what you should do. Fraud Prevention MCP server using FraudLabs Pro API.

What you get

An MCP-compliant server that integrates the FraudLabs Pro fraud detection system into AI assistants like Claude Desktop. This server enables real-time screening of order transactions and user-related events (like logins or registrations) to identify and prevent fraudulent activities.

  • Order Screening: Validate e-commerce orders using IP addresses, billing/shipping details, and credit card information
  • User Screening: Analyze account-level events (registrations/logins) for suspicious patterns
  • Transaction Management: Retrieve historical results for orders or user screenings
  • Feedback Loop: Approve, Reject, or Blacklist transactions directly through the AI interface to improve the detection engine

What the assistant can call

Once MCP is connected, these are the calls the assistant has available:

  • screen_order — Screen an order for fraud
  • get_order_result — Retrieve the validation result for a previous order
  • feedback_order — Update order status (APPROVE, REJECT, BLACKLIST)
  • screen_user — Screen user events like logins or signups
  • get_user_result — Retrieve results for a previous user screening
  • feedback_user — Update user event status based on manual review

Setting it up

The server ships on PyPI as mcp, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

Configuration and credentials

You will need one environment variable: FRAUDLABSPRO_API_KEY. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

  • Python 3.10+ installed. - FraudLabs Pro API Key: You can obtain a free or paid API key at FraudLabs Pro.

Choosing this one

This sits in the payments and commerce group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. MCP's toolset — screen_order, get_order_result, feedback_order and 3 more — is a fair guide to whether it matches your workflow. It is maintained by fraudlabspro; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against MCP's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Before you rely on it

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the mcp mcp server does with a few real requests.

Available tools

ToolWhat it does
screen_orderScreen an order for fraud.
get_order_resultRetrieve the validation result for a previous order.
feedback_orderUpdate order status (APPROVE, REJECT, BLACKLIST).
screen_userScreen user events like logins or signups.
get_user_resultRetrieve results for a previous user screening.
feedback_userUpdate user event status based on manual review.

How to install the MCP MCP server

{
  "mcpServers": {
    "fraudlabspro": {
      "command": "uvx",
      "args": ["mcp"],
      "env": {
        "FRAUDLABSPRO_API_KEY": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

  • Python 3.10+ installed. - FraudLabs Pro API Key: You can obtain a free or paid API key at FraudLabs Pro.
VariableDescriptionRequired
FRAUDLABSPRO_API_KEYCredential the server authenticates with.Yes

Example prompts to try

  • Use MCP to screen order.
  • Use MCP to get order result.
  • Use MCP to feedback order.

Frequently asked questions

It connects MCP to MCP-compatible AI assistants such as Claude and Cursor, exposing 6 tools (screen_order, get_order_result, feedback_order, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with MCP directly.