generated: '2026-09-19' method: searched source: live probes of Atlassian .well-known discovery surface (2026-06-20) hosts: - host: https://developer.atlassian.com documents: - path: /.well-known/security.txt status: 200 file: jira-security.txt - path: /.well-known/api-catalog status: 404 - host: https://auth.atlassian.com documents: - path: /.well-known/openid-configuration status: 200 file: jira-openid-configuration.json - path: /.well-known/oauth-authorization-server status: 200 file: jira-oauth-authorization-server.json - host: https://api.atlassian.com documents: - path: /.well-known/oauth-authorization-server status: 404 - path: /.well-known/openid-configuration status: 404 - host: https://mcp.atlassian.com documents: - path: /.well-known/oauth-protected-resource status: 200 file: jira-mcp-oauth-protected-resource.json bytes: 748 path_echo_control: passed notes: - OAuth 2.0 (3LO) and OIDC discovery are served from the Atlassian identity host auth.atlassian.com, not the per-tenant *.atlassian.net API host. - security.txt is PGP-signed; canonical copy at https://www.atlassian.com/.well-known/security.txt. x-mcp-probe: probed: '2026-09-19' issue: roadmap#321, roadmap#337 documents: - host: https://mcp.atlassian.com path: /.well-known/oauth-protected-resource file: jira-mcp-oauth-protected-resource.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.'