Three identity vendors shipped the same agent access pattern in eight days

Okta, Auth0, and Descope released closely timed support for Cross App Access and the ID-JAG protocol, signaling growing agreement on an enterprise agent-access model built around two layers: Client ID Metadata Documents (CIMD) for portable client identification and ID-JAG token exchanges for identity-provider-controlled delegation. The approach allows enterprise administrators to govern which AI agents and requesting applications can access APIs, applications, and MCP servers, while resource authorization servers retain control over token issuance, scopes, and local policy. Okta’s Agent SSO emphasizes distribution through its integration network, Auth0 supports both requesting and resource application roles, and Descope targets B2B software teams with self-service configuration for trusted issuers and agents. Although Okta helped lead the protocol and currently has a prominent connector ecosystem, support from other vendors, standards-compliant identity providers, and MCP SDKs suggests the pattern may operate across vendors rather than remain proprietary. The text argues that B2B teams should prioritize whether their authorization servers support enterprise-managed authorization, including JWT bearer grants, external client metadata, and per-tenant trusted-issuer policies, because enterprise customers increasingly seek alternatives to per-user consent and long-lived shared API keys for agent access.

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