PayPal MCP Server (Deprecated Module)

A Model Context Protocol (MCP) intermediary layer designed for interfacing with the proprietary Application Programming Interfaces (APIs) provided by PayPal. This component enables smooth execution of PayPal operations encompassing monetary transactions, invoice generation, and recurring billing setup through a standardized communication portal.

Core Capabilities

• Transaction Handling: Initiate, authorize, and finalize monetary transfers; manage orders and associated payment guarantees.
• Recurring Billing: Establish and maintain client subscription agreements.
• Merchant Services: Define commercial offerings, issue formal billing statements, and process bulk fund distributions.
• Client Record Access: Query user data and configure web presentation profiles.
• Credential Security: Automated management of access tokens, including renewal logic.
• Data Integrity: Rigorous validation checks utilizing Zod schemas for all incoming parameters.
• Resilience: Comprehensive logging and systematic error remediation routines.

Deployment Guide

bash

Obtain source repository

git clone https://github.com/arbuthnot-eth/PayPal-MCP-Backdated.git cd PayPal-MCP-Backdated

Install necessary packages

npm install

Compile assets

npm run build

Setup Prerequisites

Establish a .env file in the project root containing your PayPal access credentials:

PAYPAL_CLIENT_ID=your_client_id_here PAYPAL_CLIENT_SECRET=your_client_secret_here PAYPAL_ENVIRONMENT=sandbox # Use 'live' for production deployments

Operational Instructions

Launching the Service

bash

Start the production server instance

npm start

Activate development mode with hot reloading

npm run dev

MCP Integration Schema

Incorporate this service into your main MCP manifest file:

{ "mcpServers": { "paypal": { "command": "node", "args": ["path/to/paypal-mcp/build/index.js"], "env": { "PAYPAL_CLIENT_ID": "your_client_id", "PAYPAL_CLIENT_SECRET": "your_client_secret", "PAYPAL_ENVIRONMENT": "sandbox" }, "disabled": false, "autoApprove": [] } } }

Exposed Functionality

Transactional Operations

• create_payment_token: Provision a unique token for deferred transaction use.
• create_order: Initiate a new purchase order within the PayPal system.
• capture_order: Finalize the payment settlement for a previously authorized order.
• create_payment: Execute an immediate, direct monetary transfer.
• create_subscription: Establish a framework for recurring billing cycles.

Business Utility Functions

• create_product: Register a novel item within the merchant's product catalog.
• create_invoice: Generate and issue a formal billing document.
• create_payout: Disburse funds to a designated recipient or batch.

Client Data Interfaces

• get_userinfo: Fetch specific details pertaining to an account holder.
• create_web_profile: Configure a custom user interface profile.
• get_web_profiles: Retrieve an enumeration of configured user interface profiles.

Development Workflow

bash

Execute code quality checks

npm run lint

Run automated verification suites

npm test

Standardize code formatting

npm run format

Legal Status

This software is distributed under the terms outlined in the MIT License (refer to the LICENSE file for specifics).

WIKIPEDIA: XMLHttpRequest (XHR) is an API in the form of a JavaScript object whose methods transmit HTTP requests from a web browser to a web server. The methods allow a browser-based application to send requests to the server after page loading is complete, and receive information back. XMLHttpRequest is a component of Ajax programming. Prior to Ajax, hyperlinks and form submissions were the primary mechanisms for interacting with the server, often replacing the current page with another one.

== History == The concept behind XMLHttpRequest was conceived in 2000 by the developers of Microsoft Outlook. The concept was then implemented within the Internet Explorer 5 browser (1999). However, the original syntax did not use the XMLHttpRequest identifier. Instead, the developers used the identifiers ActiveXObject("Msxml2.XMLHTTP") and ActiveXObject("Microsoft.XMLHTTP"). As of Internet Explorer 7 (2006), all browsers support the XMLHttpRequest identifier. The XMLHttpRequest identifier is now the de facto standard in all the major browsers, including Mozilla's Gecko layout engine (2002), Safari 1.2 (2004) and Opera 8.0 (2005).

=== Standards === The World Wide Web Consortium (W3C) published a Working Draft specification for the XMLHttpRequest object on April 5, 2006. On February 25, 2008, the W3C published the Working Draft Level 2 specification. Level 2 added methods to monitor event progress, allow cross-site requests, and handle byte streams. At the end of 2011, the Level 2 specification was absorbed into the original specification. At the end of 2012, the WHATWG took over development and maintains a living document using Web IDL.

== Usage == Generally, sending a request with XMLHttpRequest has several programming steps.

Create an XMLHttpRequest object by calling a constructor: Call the "open" method to specify the request type, identify the relevant resource, and select synchronous or asynchronous operation: For an asynchronous request, set a listener that will be notified when the request's state changes: Initiate the request by calling the "send" method: Respond to state changes in the event listener. If the server sends response data, by default it is captured in the "responseText" property. When the object stops processing the response, it changes to state 4, the "done" state. Aside from these general steps, XMLHttpRequest has many options to control how the request is sent and how the response is processed. Custom header fields can be added to the request to indicate how the server should fulfill it, and data can be uploaded to the server by providing it in the "send" call. The response can be parsed from the JSON format into a readily usable JavaScript object, or processed gradually as it arrives rather than waiting for the entire text. The request can be aborted prematurely or set to fail if not completed in a specified amount of time.

== Cross-domain requests ==

In the early development of the World Wide Web, it was found possible to brea