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PayPal Java MCP Server

@kumartheashwani

リポジトリ

基本情報

カテゴリ

金融とコマース

トランスポート

stdio

作者

kumartheashwani

PayPal Java MCP Server について

PayPal-Java-MCP Server

PayPal Java MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "paypal-java-mcp-server": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "paypal-mcp-jsonrpc"
      ]
    }
  }
}

PayPal Java MCP Server のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is PayPal Java MCP Server?

PayPal Java MCP Server is a Java implementation of a PayPal Merchant Capability Platform (MCP) server that provides tools for analyzing and improving payment processing. It offers JSON-RPC over HTTP and stdio interfaces, designed for developers integrating with PayPal’s capabilities.

How to use PayPal Java MCP Server?

Run in web mode (java -jar target/paypal-java-mcp-server-0.0.1-SNAPSHOT.jar) to expose a REST API on port 8080, or in stdio mode (java -Dspring.profiles.active=stdio ...) for JSON-RPC over standard input/output. Deploy with Smithery using the provided prepare-smithery.sh script or Docker.

Key features of PayPal Java MCP Server

  • JSON-RPC over HTTP API for web clients
  • JSON-RPC over stdio interface for Smithery integration
  • Authorization rate improvement analysis tool
  • Basic calculator tool for testing
  • Docker support for both REST API and JSON-RPC servers
  • Non‑interactive mode using named pipes

Use cases of PayPal Java MCP Server

  • Analyze transaction data and receive recommendations to improve authorization rates
  • Perform basic math operations as a testing tool
  • Deploy as a Smithery‑compatible server for AI‑assisted payment optimization
  • Run in non‑interactive environments (e.g., Docker, headless servers)

よくある質問

1

What are the prerequisites for running the server?

Java 17 or higher and Maven 3.6 or higher are required.

2

How do I run the server in web mode?

Use `java -jar target/paypal-java-mcp-server-0.0.1-SNAPSHOT.jar`; the REST API is available at `http://localhost:8080/api/mcp`.

3

How do I run the server in JSON‑RPC over stdio mode?

Use the command with `-Dspring.profiles.active=stdio -Dspring.main.web-application-type=NONE -Djsonrpc.stdio.interactive=true -jar target/paypal-java-mcp-server-0.0.1-SNAPSHOT-stdio.jar`. The server reads requests from stdin and writes responses to stdout.

4

How can I deploy the server with Smithery?

Run `./prepare-smithery.sh` to create a `smithery-deploy` directory with the JAR, configuration, and scripts. The Smithery config must set `"interactive": true` and include the `-Djsonrpc.stdio.interactive=true` flag.

5

What should I do if my environment does not support interactive stdio?

Use the `start-non-interactive.sh` script, which creates named pipes and pre‑initializes the server. Alternatively, set `"interactive": false` in the Smithery configuration and start the server with `-Djsonrpc.stdio.interactive=false`.

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