generated: '2026-09-19' method: searched host: https://docs.sui.io probed_hosts: - https://docs.sui.io - https://sui.io - https://mystenlabs.com notes: security.txt is not published on docs.sui.io, sui.io, or mystenlabs.com (all 404). The api-catalog is the one discovery document present and points at the machine-readable OpenRPC specifications. hosts: - host: https://docs.sui.io documents: - path: /.well-known/api-catalog status: 200 file: mysten-labs-api-catalog.json note: RFC 9727 API Catalog (linkset) advertising the Sui JSON-RPC OpenRPC specs (mainnet/testnet/devnet) and GraphQL endpoints. - path: /.well-known/security.txt status: 404 - path: /.well-known/openid-configuration status: 404 - path: /.well-known/ai-plugin.json status: 404 - host: https://sui.mcp.kapa.ai documents: - path: /.well-known/oauth-protected-resource status: 200 file: mysten-labs-sui-oauth-protected-resource.json bytes: 167 path_echo_control: passed - host: https://mcp.kapa.ai documents: - path: /.well-known/oauth-authorization-server/auth/public status: 200 file: mysten-labs-mcp-oauth-authorization-server.json bytes: 495 path_echo_control: passed x-shape-fix: converted: '2026-08-20' from: documents note: Rewritten into hosts[] -> documents[], the only shape well_known_docs() in score.rb reads. A served .well-known surface recorded in any other shape scores as absent. x-mcp-probe: probed: '2026-09-19' issue: roadmap#321, roadmap#337 documents: - host: https://sui.mcp.kapa.ai path: /.well-known/oauth-protected-resource file: mysten-labs-sui-oauth-protected-resource.json - host: https://mcp.kapa.ai path: /.well-known/oauth-authorization-server/auth/public file: mysten-labs-mcp-oauth-authorization-server.json validated_on: resource (RFC 9728) / issuer (RFC 8414, OIDC) negative_control: one per host; a 2xx JSON object at an impossible path discards the host note: 'MCP-host OAuth discovery added 2026-09-19 (roadmap#321/#337): the harvest visits a provider''s primary hosts, and RFC 9728 protected-resource metadata lives on the MCP host, so these documents existed and were invisible to the scorer. Fetched live and validated on `resource`/`issuer`; one negative control per host.'