generated: '2026-08-23' method: probed source: https://kizik.com/.well-known/ucp + https://kizik.com/.well-known/openid-configuration + https://kizik.com/api/ucp/mcp standards: - id: ucp name: Universal Commerce Protocol conforms: true version: '2026-04-08' evidence: >- /.well-known/ucp returns HTTP 200 with a ucp.version of 2026-04-08, supported_versions for 2026-04-08 and 2026-01-23, a dev.ucp.shopping service over the mcp transport, and seven declared dev.ucp.shopping.* capabilities (checkout, cart, fulfillment, discount, order, catalog.search, catalog.lookup). spec: https://ucp.dev/2026-04-08/specification/overview/ - id: mcp name: Model Context Protocol conforms: true evidence: >- POST https://kizik.com/api/ucp/mcp with method tools/list returned a JSON-RPC 2.0 result containing 13 tools, each with a JSON Schema 2020-12 inputSchema. Response carried x-shopify-ucp-mcp-api-version: 2026-04-08. - id: jsonrpc-2.0 name: JSON-RPC 2.0 conforms: true evidence: All MCP requests and responses carry "jsonrpc":"2.0"; errors use the JSON-RPC error object. - id: json-schema-2020-12 name: JSON Schema 2020-12 conforms: true evidence: >- Every tool inputSchema declares "$schema":"https://json-schema.org/draft/2020-12/schema". - id: oidc name: OpenID Connect Discovery 1.0 conforms: true evidence: >- /.well-known/openid-configuration returns HTTP 200 with issuer, authorization_endpoint, token_endpoint, jwks_uri, response_types_supported and id_token_signing_alg_values_supported. - id: oauth2 name: OAuth 2.0 conforms: true evidence: authorization_code + refresh_token + jwt-bearer grant types declared in discovery. - id: rfc8414 name: OAuth 2.0 Authorization Server Metadata (RFC 8414) conforms: true evidence: /.well-known/oauth-authorization-server returns HTTP 200 with authorization server metadata. - id: rfc7636 name: PKCE (RFC 7636) conforms: true evidence: code_challenge_methods_supported includes S256. - id: rfc8615 name: Well-Known URIs (RFC 8615) conforms: true evidence: Three documents served under /.well-known/ on kizik.com. - id: iso4217 name: ISO 4217 currency minor units conforms: true evidence: >- Every MCP price field is documented as an integer in ISO 4217 minor units paired with a currency code, e.g. {"amount": 600, "currency": "USD"}. - id: llms-txt name: llms.txt conforms: true evidence: https://kizik.com/llms.txt returns HTTP 200 with a real agent instruction document. - id: rfc9116 name: security.txt (RFC 9116) conforms: false evidence: /.well-known/security.txt returned HTTP 404. - id: rfc9457 name: Problem Details for HTTP APIs (RFC 9457) conforms: false evidence: >- Errors use the JSON-RPC error envelope, not application/problem+json. No HTTP API on this host returns a problem+json media type. - id: a2a name: A2A Agent Card conforms: false evidence: /.well-known/agent-card.json and /.well-known/agent.json both returned HTTP 404 on kizik.com and kizik-design.myshopify.com. - id: openapi name: OpenAPI conforms: false evidence: No OpenAPI, Swagger, GraphQL SDL, gRPC/Protobuf or WSDL contract found on any Kizik host. domain_standard: id: ucp name: Universal Commerce Protocol (dev.ucp.shopping.*) market: retail / e-commerce / agentic commerce declared_in_contract: true evidence: >- The contract declares the domain standard about itself rather than in marketing prose: the /.well-known/ucp merchant profile enumerates dev.ucp.shopping.checkout, dev.ucp.shopping.cart, dev.ucp.shopping.fulfillment, dev.ucp.shopping.discount, dev.ucp.shopping.order, dev.ucp.shopping.catalog.search and dev.ucp.shopping.catalog.lookup, each bound to a versioned ucp.dev schema URL, plus the dev.shopify.catalog extension. An agent that already speaks UCP can transact with Kizik with no bespoke connector. spec: https://ucp.dev certifications: [] compliance_note: >- Kizik publishes no trust center, no SOC 2 / ISO 27001 / PCI attestation page and no named certifications on any public page probed, so no Compliance pointer is emitted. Card data is handled by Shopify Payments and the declared payment handlers, not by Kizik directly.