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A commerce-centric demo featuring Agent Development Kit with Pay…

@gkcng

代码仓库

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AI 与智能体

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Apache-2.0 license

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stdio

作者

gkcng

关于 A commerce-centric demo featuring Agent Development Kit with Paypal Agent Toolkit via MCPs MCP Server

The commerce-centric demo shown live at Paypal Dev Days 2025 on 4/29. Featuring Paypal Agent Toolkit & MCP server with Google's Agent Development Kit (ADK)

#paypal#mcp#adk

A commerce-centric demo featuring Agent Development Kit with Paypal Agent Toolkit via MCPs MCP Server 配置

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代码仓库

A commerce-centric demo featuring Agent Development Kit with Paypal Agent Toolkit via MCPs MCP Server 工具

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概览

What is A commerce-centric demo featuring Agent Development Kit with Paypal Agent Toolkit via MCPs?

This demo showcases a conversational pre-sales engagement built with PayPal's Agent Toolkit (via MCP) and Google's Agent Development Kit (ADK). It is intended for developers exploring agent-based commerce workflows using the PayPal sandbox environment.

How to use A commerce-centric demo featuring Agent Development Kit with Paypal Agent Toolkit via MCPs?

Install prerequisites: Python 3, Google ADK 0.3.0+, Node.js with npx, and the required Python packages. Copy env.example to .env, fill in your Google API Key (or GCP Project ID/Location) and PayPal sandbox credentials (PAYPAL_CLIENT_ID, PAYPAL_SECRET). Modify the user_profile and orders dictionaries in paypal_mcp_agent/util.py with real sandbox order data. Run adk web in the pp_mcp_adk directory, then open http://localhost:8000/dev-ui?app=paypal_mcp_agent in a browser.

Key features of A commerce-centric demo featuring Agent Development Kit with Paypal Agent Toolkit via MCPs

  • Demonstrates pre-sales conversational agent flow with PayPal APIs.
  • Integrates Google ADK with PayPal Agent Toolkit via MCP.
  • Covers order creation, tracking, shipment, and subscriptions.
  • Includes product search and image-based recommendation.
  • Uses PayPal sandbox for testing without real transactions.
  • Supports A2A for adding remote external agents.

Use cases of A commerce-centric demo featuring Agent Development Kit with Paypal Agent Toolkit via MCPs

  • Build a conversational agent that handles order inquiries and tracking.
  • Create a pre-sales assistant that recommends and creates orders from images.
  • Test PayPal commerce APIs (orders, subscriptions, disputes) in a sandbox.
  • Extend the agent with remote agents via A2A for specialized tasks.
  • Learn how to integrate Agent Development Kit with PayPal MCP tools.

常见问题

1

What are the runtime requirements?

Python 3 with Google ADK 0.3.0+ (`google-adk==0.3.0`, `google-cloud-aiplatform==1.90.0`) and Node.js with npx for the MCP client. A PayPal sandbox account is required.

2

How do I set up the PayPal sandbox?

Register at developer.paypal.com to create apps. Each app provides a Client ID, Secret Key, and a sandbox account with test credit cards, addresses, and bank details for testing transactions.

3

Which PayPal APIs are used in this demo?

The demo tests and uses these APIs: `orders.create`, `orders.get`, `orders.capture`, `shipment.create`, `shipment.get`, `subscriptions.create`, `subscriptions.show`, `subscriptions.cancel`.

4

What are important API interdependencies?

Order capture succeeds only after the consumer completes payment via the returned URL. Subscriptions require a previously created product and plan. Disputes must be created by the human in the sandbox before a merchant can accept them. `list_transactions` has a delay.

5

Where does the agent’s data live?

The demo loads a hardcoded `user_profile` and `orders` dictionary from `paypal_mcp_agent/util.py`. Order data must correspond to actual records in the PayPal sandbox. No persistent database is used.

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