# David Protein UCP Commerce MCP

**Canonical:** https://apis.io/apis/david-protein/david-protein-ucp-commerce-mcp/  
**Provider:** David Protein — https://apis.io/providers/david-protein/  
**Base URL:** https://davidprotein.com/api/ucp/mcp  
**Documentation:** https://davidprotein.com/agents.md

David Protein UCP Commerce MCP is one of 4 APIs that [David Protein](https://apis.io/providers/david-protein/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include MCP, Universal Commerce Protocol, Checkout, Cart, and Catalog. The published artifact set on APIs.io includes API documentation.

The Universal Commerce Protocol commerce server David serves at davidprotein.com/api/ucp/mcp, advertised in the store robots.txt and agents.md. Thirteen MCP tools cover catalog search and lookup, product detail, cart create/get/update/cancel, and checkout create/get/update/complete/cancel. tools/list is anonymous and returns full JSON Schema inputSchemas; tools/call requires a signed JWT (AuthenticationRequired, JSON-RPC -32000). complete_checkout accepts a meta.idempotency-key.

## Machine-readable artifacts (3)

- **MCPServer** — https://raw.githubusercontent.com/api-evangelist/david-protein/refs/heads/main/mcp/david-protein-mcp.yml
- **Documentation** — https://davidprotein.com/agents.md
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/david-protein/refs/heads/main/apis.yml

## Other David Protein APIs (3)

- [David Protein Storefront MCP](https://apis.io/apis/david-protein/david-protein-storefront-mcp/)
- [David Protein Customer Account MCP](https://apis.io/apis/david-protein/david-protein-customer-account-mcp/)
- [David Protein Storefront JSON](https://apis.io/apis/david-protein/david-protein-storefront-json/)

## Tags

MCP, Universal Commerce Protocol, Checkout, Cart, Catalog

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/david-protein/david-protein-ucp-commerce-mcp/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/david-protein/.