Ministry Of Supply Authentication

generated: '2026-08-25'
method: probed
source: >-
  https://www.ministryofsupply.com/.well-known/openid-configuration,
  https://www.ministryofsupply.com/.well-known/oauth-protected-resource,
  https://www.ministryofsupply.com/api/ucp/mcp (tools/list),
  https://www.ministryofsupply.com/llms.txt
docs: https://www.ministryofsupply.com/agents.md
summary:
  types: [none, openIdConnect, oauth2]
  api_key_in: []
  oauth2_flows: [authorizationCode, refreshToken, jwt-bearer]
  note: >-
    Two distinct auth postures. (1) The UCP/MCP commerce endpoint accepts anonymous calls — tools/list
    returned 200 with no credential — and identity is carried per-call as an agent profile URI in
    meta.ucp-agent.profile rather than as a bearer token. Payment authorization is delegated to a payment
    handler with contemporaneous human approval, so the agent never holds a card credential. (2) Customer
    accounts use Shopify Customer Accounts OpenID Connect, with the merchant's own issuer.
schemes:
- name: ucp-agent-profile
  type: none
  description: >-
    Every MCP tool requires meta.ucp-agent.profile, a URI identifying the calling agent's UCP profile.
    This is an identity declaration, not a credential — the endpoint answers unauthenticated.
  sources: [mcp/ministry-of-supply-mcp-tools-list.json]
- name: shopify-customer-accounts-oidc
  type: openIdConnect
  openIdConnectUrl: https://www.ministryofsupply.com/.well-known/openid-configuration
  issuer: https://shopify.com/authentication/3092321
  authorizationUrl: https://shopify.com/authentication/3092321/oauth/authorize
  tokenUrl: https://shopify.com/authentication/3092321/oauth/token
  jwks_uri: https://shopify.com/authentication/3092321/.well-known/jwks.json
  end_session_endpoint: https://shopify.com/authentication/3092321/logout
  grant_types: [authorization_code, refresh_token, 'urn:ietf:params:oauth:grant-type:jwt-bearer']
  response_types: [code]
  pkce: [S256]
  token_endpoint_auth_methods: [client_secret_basic, client_secret_post]
  id_token_signing_alg: [RS256]
  bearer_methods_supported: [header]
  protected_resource: https://www.ministryofsupply.com
  sources: [well-known/ministry-of-supply-openid-configuration.json, well-known/ministry-of-supply-oauth-protected-resource.json]
payment_authorization:
  model: buyer-approved payment handler
  handlers:
  - id: gpay
    name: com.google.pay
    merchant_name: Ministry of Supply
    merchant_origin: www.ministryofsupply.com
  - id: shopify.card
    name: dev.shopify.card
  - id: shop_pay
    name: dev.shopify.shop_pay
  rule: >-
    "Checkout requires human approval. Agents must not complete payment without explicit buyer consent."
    — https://www.ministryofsupply.com/llms.txt