generated: '2026-07-20'
method: derived
source: openapi/*-openapi-original.json + well-known/*-ai-plugin.json
authentication:
  style: service-level (OpenAI-managed) or none
  detail: ai-plugin.json auth.type is 'service_http' (service-level token injected
    by the ChatGPT plugin runtime) or 'none'. No end-user OAuth in the specs except
    MixerBox Calendar, which exposes Authorize/Logout operations for Google Calendar
    linkage.
  artifact: authentication/mixerbox-authentication.yml
idempotency:
  supported: false
  note: No idempotency-key header/param documented.
pagination:
  supported: false
  note: Result sets are returned as bounded arrays under a top-level 'gpt' object;
    no cursor/offset params.
localization:
  supported: true
  detail: Many operations take a 'locale' query param (en-us, zh-tw, ja-jp) to localize
    results.
response_envelope:
  shape: 'Most GPT-action responses wrap items under a top-level object; music/podcast
    plugins nest results under { gpt: { items: [...] } }.'
versioning:
  scheme: info.version 'v1' across all plugins; not expressed in the URL path.
  artifact: lifecycle/mixerbox-lifecycle.yml
errors:
  artifact: errors/mixerbox-problem-types.yml
  envelope: plain application/json with a human-readable description; not RFC 9457.
rate_limiting:
  signaled: false
  note: No rate-limit headers documented.