generated: '2026-09-16'
method: generated
source: >-
  Grounded in mcp/underdog-ucp-mcp-tools.json (verbatim tools/list from
  https://underdog.shop/api/ucp/mcp) and Underdog's published agent guidance at
  https://underdog.shop/agents.md. Every tool named appears in that response.
note: >-
  Underdog publishes no skills of its own. It publishes agents.md / llms.txt (saved at
  llms/) recommending the third-party Shop skill https://shop.app/SKILL.md. The skills
  below are API Evangelist-authored operating instructions for Underdog's own endpoint.
skills:
- file: underdog-browse-catalog.md
  name: Browse the Underdog catalogue
  api: mcp/underdog-mcp.yml
  operations: [search_catalog, lookup_catalog, get_product]
- file: underdog-cart-and-checkout.md
  name: Cart and checkout at Underdog
  api: mcp/underdog-mcp.yml
  operations: [create_cart, get_cart, update_cart, cancel_cart, create_checkout, get_checkout, update_checkout, complete_checkout, cancel_checkout, get_order]
provider_published:
- file: ../llms/underdog-agents.md
  source: https://underdog.shop/agents.md
  method: searched