XAA is a great improvement to where we were in 2025. It helps track user access to mcp tools.
There is a few other ongoing efforts in the IETF community.
Eg; <a href="https://datatracker.ietf.org/doc/draft-niyikiza-oauth-attenuating-agent-tokens/01/" rel="nofollow">https://datatracker.ietf.org/doc/draft-niyikiza-oauth-attenu...
(implementation: <a href="https://github.com/tenuo-ai/tenuo" rel="nofollow">https://github.com/tenuo-ai/tenuo)
iamjake648 · · focus · HN ↗
<a href="https://auth0.com/docs/ai-agents-mcp/cross-app-access" rel="nofollow">https://auth0.com/docs/ai-agents-mcp/cross-app-access
<a href="https://datatracker.ietf.org/doc/draft-ietf-oauth-identity-assertion-authz-grant/" rel="nofollow">https://datatracker.ietf.org/doc/draft-ietf-oauth-identity-a...
luka2233 · · focus · HN ↗