generated: '2026-08-25'
method: probed
source: https://www.maisonette.com/.well-known/ucp, MCP response headers from https://www.maisonette.com/api/ucp/mcp,
  https://www.maisonette.com/llms.txt, and host probes, all 2026-08-25.
versioning:
  scheme: date-versioned protocol (UCP)
  current_version: '2026-04-08'
  supported_versions:
  - version: '2026-04-08'
    status: latest stable
    discovery: https://ad4903-c2.myshopify.com/.well-known/ucp/2026-04-08
  - version: '2026-01-23'
    status: supported
    discovery: https://ad4903-c2.myshopify.com/.well-known/ucp/2026-01-23
  runtime_header: 'x-shopify-ucp-mcp-api-version: 2026-04-08'
  note: Version negotiation is inherited from the Universal Commerce Protocol and the
    Shopify platform, not authored by Maisonette. The store publishes which versions
    it serves, which is the part that matters to an agent.
  mcp_protocol_version: '2024-11-05'
  mcp_protocol_note: The MCP initialize handshake negotiates down to 2024-11-05 even
    though the UCP layer advertises 2026-04-08.
deprecation:
  policy_published: false
  sunset_header: false
  deprecation_header: false
  note: No deprecation policy, Sunset header (RFC 8594) or Deprecation header is published.
    The only observable deprecation signal is the retained 2026-01-23 UCP version alongside
    the current one.
sla:
  published: false
status_page:
  published: false
  probes:
  - url: https://status.maisonette.com
    result: NXDOMAIN
  - url: https://maisonette.statuspage.io
    status: 200
    result: Redirects to https://www.atlassian.com/software/statuspage — the Statuspage
      product marketing site, not a Maisonette status page. Not a status page; do not
      credit one.
changelog:
  published: false
retired_surfaces:
- host: api.maisonette.com
  status: 503
  observed: '2026-08-25'
  note: 'Resolves to Cloudflare but returns nginx 503 Service Temporarily Unavailable
    on every path probed (/, /openapi.json, /graphql, /.well-known/*). Maisonette''s
    marketplace previously ran on Spree Commerce with a Next.js frontend calling the
    Spree Store API; the storefront now runs on Shopify (shop id 58323238975). This
    host is consistent with that retired stack, but Maisonette publishes no statement
    about it, so the retirement is recorded as observed, not as declared.'