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Finix MCP Server

by bquigley1

Finix MCP Server (Unofficial)

An unofficial, local MCP (Model Context Protocol) server that provides simplified access to Finix payment processing functionality.

⚠️ This is an unofficial, community-built MCP server. It is not affiliated with or endorsed by Finix.

Features

  • Documentation Search: Search Finix documentation through an MCP-compatible interface
  • Identity Management: Create and list buyers and sellers with simplified parameters
  • Payment Links: Create payment links with just merchant ID, price, and quantity
  • Streamlined API: All tools use simple parameters for ease of use and reduced token usage

Installation

npm install

Configuration

Set your Finix credentials and environment:

export FINIX_USERNAME="your-username" export FINIX_PASSWORD="your-password" export FINIX_ENVIRONMENT="Sandbox" # or "Live"

Environment options:

  • Sandbox (default) - Uses https://finix.sandbox-payments-api.com
  • Live or Production - Uses https://finix.live-payments-api.com

Usage

Running the Server

Start the MCP server:

npm start

For development with auto-reload:

npm dev

Build TypeScript

npm run build

Integrating with Claude Code

Add this configuration to your Claude Code mcp file:

{ "mcpServers": { "finix-docs": { "command": "npx", "args": ["tsx", "/path/to/finix-mcp/server.ts"], "env": { "FINIX_USERNAME": "your-username", "FINIX_PASSWORD": "your-password", "FINIX_ENVIRONMENT": "Sandbox" //Or 'Live' for Live } } } }

Available Tools

search_finix_docs

Search the Finix documentation for relevant information.

Parameters:

  • query (string, required): The search query to find relevant Finix documentation
  • limit (number, optional): Maximum number of results to return (default: 10)
  • category (string, optional): Filter by document category ("api", "docs", or "all")

create_buyer

Create a new buyer identity with essential information.

Parameters:

  • email (string, required): The email address of the buyer
  • first_name (string, required): The first name
  • last_name (string, required): The last name
  • phone (string, required): The phone number

Returns: {id: "buyer_id"}

create_seller

Create a new seller identity with comprehensive business information.

Parameters:

  • Multiple required fields including email, business details, and underwriting information
  • See tool schema for complete parameter list

Returns: Full seller object with all details

list_buyers

Fetch a list of buyers with simple filtering.

Parameters:

  • limit (number, optional): Number of buyers to return (1-100)
  • email (string, optional): Filter by email address

Returns: [{id: "buyer_id"}, ...]

list_sellers

Fetch a list of sellers with simple filtering.

Parameters:

  • limit (number, optional): Number of sellers to return (1-100)
  • email (string, optional): Filter by email address

Returns: [{id: "seller_id"}, ...]

Create a payment link for processing payments.

Parameters:

  • merchant_id (string, required): The ID of the merchant
  • price (number, required): The unit price in cents
  • quantity (number, required): The quantity of the product

Returns: {id: "payment_link_id", url: "https://..."}

Development

The server is built with:

  • TypeScript for type safety
  • @modelcontextprotocol/sdk for MCP implementation
  • Native fetch API for HTTP requests
  • StdioServerTransport for communication

License

ISC

-
security - not tested
F
license - not found
-
quality - not tested

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Enables interaction with Finix payment processing services through a simplified interface. Supports creating buyers/sellers, generating payment links, and searching Finix documentation.

  1. Features
    1. Installation
      1. Configuration
        1. Usage
          1. Running the Server
          2. Build TypeScript
          3. Integrating with Claude Code
        2. Available Tools
          1. search_finix_docs
          2. create_buyer
          3. create_seller
          4. list_buyers
          5. list_sellers
          6. create_payment_link
        3. Development
          1. License

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