generated: '2026-08-07' method: probed source: live probes of https://blackbuffalo.com on 2026-08-07 description: >- Which cross-cutting and industry standards the surfaces served from Black Buffalo's hosts actually conform to. Every `conforms: true` below is backed by a document fetched or a live response observed; every `false` is a probe that missed. Nothing is asserted from vendor documentation alone. standards: - id: graphql conforms: true evidence: >- Full __schema introspection succeeded anonymously at https://blackbuffalo.com/api/2026-04/graphql.json (424 types, 35 query fields, 41 mutations). SDL saved at graphql/black-buffalo-storefront.graphql. - id: relay-cursor-connections conforms: true evidence: 28 *Connection types with edges/node/cursor plus PageInfo in the SDL. - id: mcp conforms: true version: 'MCP protocol 2025-06-18 over JSON-RPC 2.0' evidence: >- POST initialize to https://blackbuffalo.com/api/ucp/mcp returned protocolVersion 2025-06-18 and serverInfo {name: universal-commerce, version: 0.1.0}. tools/list returned 200 with 13 tools on that endpoint and 5 on https://blackbuffalo.com/api/mcp, each carrying a JSON Schema inputSchema. - id: ucp conforms: true version: '2026-04-08' evidence: >- /.well-known/ucp returns a Universal Commerce Protocol merchant profile declaring supported versions 2026-04-08 and 2026-01-23, the dev.ucp.shopping MCP service, the checkout / cart / fulfillment / discount / order / catalog.search / catalog.lookup capabilities, the dev.shopify.catalog extension, and two payment handlers. spec: https://ucp.dev/2026-04-08/specification/overview/ - id: json-schema-2020-12 conforms: true evidence: >- Every MCP tool inputSchema declares $schema https://json-schema.org/draft/2020-12/schema. - id: openid-connect-discovery conforms: true evidence: >- /.well-known/openid-configuration returns a valid OIDC discovery document (issuer, authorization/token/jwks endpoints, RS256, S256 PKCE, claims_supported). - id: oauth2 conforms: true evidence: authorization_code + refresh_token + jwt-bearer grants advertised in discovery. - id: rfc8414-oauth-authorization-server-metadata conforms: true evidence: /.well-known/oauth-authorization-server returns 200 with the same metadata document. - id: rfc7636-pkce conforms: true evidence: 'code_challenge_methods_supported: [S256]' - id: llms-txt conforms: true evidence: /llms.txt returns 200 with real agent instructions, not a docs index. - id: agents-md conforms: true evidence: >- /agents.md returns 200 text/markdown, is named the canonical agent document by both /llms.txt and /robots.txt, and is submitted for crawling in a dedicated /sitemap_agentic_discovery.xml. - id: sitemaps-org conforms: true evidence: /sitemap.xml is a valid sitemapindex with five child sitemaps. - id: openapi conforms: false evidence: >- /openapi.json, /swagger.json → 404; /api-docs, /docs → 404 HTML shell. developer./api./docs.blackbuffalo.com do not resolve. Probed 2026-08-07. - id: asyncapi conforms: false evidence: >- No event, streaming or webhook surface is published from blackbuffalo.com. Shopify webhooks exist for app developers but are not a Black Buffalo public surface. Not applicable rather than deficient. - id: rfc9457-problem-details conforms: false evidence: >- No application/problem+json anywhere. Errors are GraphQL errors[]/userErrors and JSON-RPC 2.0 error objects — see errors/black-buffalo-problem-types.yml. - id: rfc9116-security-txt conforms: false evidence: /.well-known/security.txt returned 404. - id: rfc9727-api-catalog conforms: false evidence: /.well-known/api-catalog returned 404. - id: a2a-agent-card conforms: false evidence: >- /.well-known/agent-card.json and /.well-known/agent.json both returned 404. No agent card was authored on the provider's behalf. - id: dnssec conforms: false evidence: 'No DNSSEC on blackbuffalo.com — see security/black-buffalo-domain-security.yml.' - id: caa conforms: false evidence: No CAA records published for blackbuffalo.com. - id: hsts conforms: true evidence: 'blackbuffalo.com sets Strict-Transport-Security with max-age 7889238 (~91 days).' - id: dmarc conforms: true qualified: true evidence: >- DMARC record present but policy is p=none — monitoring only, no enforcement against spoofed mail. compliance_program: published: false note: >- No trust center, no SOC 2 / ISO 27001 / PCI attestation page and no compliance disclosures were found on blackbuffalo.com (probe-security-programs.py returned vdp=none trust=none on 2026-08-07). Card payments are handled by Shopify, whose compliance posture is Shopify's to publish, not Black Buffalo's. Deliberately NOT wired as a `Compliance` pointer. regulatory_context: note: >- Recorded for accuracy, not scored. Black Buffalo sells nicotine products regulated in the United States as tobacco products by the FDA Center for Tobacco Products, and its own /agents.md forbids agents from making modified-risk, cessation or comparative health claims. That is a content-governance obligation carried in prose; there is no machine-readable expression of it on any of the three API surfaces.