ACP Checkout — MCP Binding

Before writing code

Fetch live docs:

1. Web-search acp agentic commerce protocol MCP server implementation for MCP binding guidance
2. Fetch https://developers.openai.com/commerce/specs/checkout/ for checkout operation semantics
3. Web-search site:github.com agentic-commerce-protocol MCP for any official MCP examples
4. Fetch MCP SDK docs: web-search site:github.com modelcontextprotocol python-sdk or typescript-sdk for current SDK

Conceptual Architecture

What MCP Binding Means

ACP's REST checkout operations can be exposed as MCP tools via an MCP server. This allows AI agents that use tool-calling (Claude, ChatGPT, Gemini) to invoke checkout operations directly as tools rather than making raw HTTP calls.

Mapping REST to MCP Tools

Each REST checkout operation becomes an MCP tool: