generated: '2026-07-21'
method: searched
status: published
source: https://tonal.com/llms.txt
server:
  name: tonal-storefront-ucp
  transport: http
  url: https://tonal.com/api/ucp/mcp
  protocol: Universal Commerce Protocol (UCP) shopping service over MCP (Shopify storefront)
  discovery: https://tonal.com/.well-known/ucp
  schema: https://ucp.dev/2026-04-08/services/shopping/mcp.openrpc.json
  versions:
  - '2026-04-08'
  - '2026-01-23'
  auth: Requires a registered agent profile; unauthenticated tools/list probe returned HTTP 422 (error
    invalid_profile_url, "Unable to fetch agent profile") on 2026-07-21.
  rate_limits: Rate-limited per IP; back off on 429 (per /llms.txt).
tools:
- name: search_catalog
  description: Find products in the Tonal storefront catalog matching the buyer's intent
  source_operation: https://tonal.com/llms.txt (UCP shopping service)
- name: create_cart
  description: Create a cart and add desired items
  source_operation: https://tonal.com/llms.txt (UCP shopping service)
- name: create_checkout
  description: Start the purchase flow
  source_operation: https://tonal.com/llms.txt (UCP shopping service)
- name: update_checkout
  description: Set shipping address and method
  source_operation: https://tonal.com/llms.txt (UCP shopping service)
- name: complete_checkout
  description: Finalize the purchase (buyer must approve payment)
  source_operation: https://tonal.com/llms.txt (UCP shopping service)
notes: This is the Shopify-storefront agent-commerce surface published on tonal.com, not a Tonal-built
  developer API. Tonal publishes no first-party developer/API program; the strength-training hardware
  and mobile app expose no public API.
deployment:
  mode: remote
  endpoint: https://tonal.com/api/ucp/mcp
  verified: probed
  probe: live
  tools: 13
  checked: '2026-08-12'
  source: catalog MCP census