Authorization plane
Cross-App Access (ID-JAG)
Detect Identity-Assertion Authorization Grant (ID-JAG) support in OAuth metadata and assess the cross-app token-exchange posture (MCP authz SEP-990).
Live in the gateway today.
What it answers
What may it do, and on whose behalf?
Cross-App Access (ID-JAG) sits in the authorization plane of the agent-interop stack. What may it do, and on whose behalf? AxioRank tracks it as one row in a coverage matrix that spans six planes, from discovery and identity to authorization, content permission, and commerce.
Plane
Authorization
Status
live
Direction
outbound
How AxioRank handles it
Governed, not just listed.
Live in the gateway today. Outbound: when the agents you run reach out to other agents and services.
More authorization protocols
Related protocols
Govern the whole agent stack
AxioRank verifies identities and capabilities across the agent ecosystem, from discovery to commerce. See the full coverage matrix, machine-readable.