Poppy Hand-Crafted Popcorn UCP Commerce API

The agent-facing commerce surface for the Poppy Hand-Crafted Popcorn storefront, implementing the Universal Commerce Protocol (UCP) 2026-04-08 over MCP. Thirteen tools cover catalog search and lookup, product detail, cart create/update/cancel, checkout create/update/complete/cancel, and order retrieval. tools/list is served unauthenticated; completing a checkout requires a buyer-approved payment and an idempotency-key.

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API entry from apis.yml

apis.yml Raw ↑
name: Poppy Hand-Crafted Popcorn UCP Commerce API
description: The agent-facing commerce surface for the Poppy Hand-Crafted Popcorn storefront, implementing
  the Universal Commerce Protocol (UCP) 2026-04-08 over MCP. Thirteen tools cover catalog search and lookup,
  product detail, cart create/update/cancel, checkout create/update/complete/cancel, and order retrieval.
  tools/list is served unauthenticated; completing a checkout requires a buyer-approved payment and an
  idempotency-key.
humanURL: https://poppyhandcraftedpopcorn.com/agents.md
baseURL: https://poppyhandcraftedpopcorn.com/api/ucp/mcp
tags:
- Agent Commerce
- Universal Commerce Protocol
- MCP
- E-Commerce
- Catalog
- Checkout
tags_raw:
- Agent Commerce
- Universal Commerce Protocol
- Model Context Protocol
- E-Commerce
- Catalog
- Checkout
properties:
- type: MCPServer
  url: mcp/poppy-handcrafted-popcorn-mcp.yml
- type: Authentication
  url: authentication/poppy-handcrafted-popcorn-authentication.yml
- type: OAuthScopes
  url: scopes/poppy-handcrafted-popcorn-scopes.yml
- type: Conventions
  url: conventions/poppy-handcrafted-popcorn-conventions.yml
- type: Idempotency
  url: conventions/poppy-handcrafted-popcorn-conventions.yml
- type: ErrorCatalog
  url: errors/poppy-handcrafted-popcorn-problem-types.yml
- type: RateLimits
  url: rate-limits/poppy-handcrafted-popcorn-rate-limits.yml
- type: DataModel
  url: data-model/poppy-handcrafted-popcorn-data-model.yml
- type: Lifecycle
  url: lifecycle/poppy-handcrafted-popcorn-lifecycle.yml
- type: Conformance
  url: conformance/poppy-handcrafted-popcorn-conformance.yml