{"issuer":"https://www.vinsta.ai","authorization_endpoint":"https://www.vinsta.ai/oauth/authorize","token_endpoint":"https://www.vinsta.ai/oauth/token","revocation_endpoint":"https://www.vinsta.ai/oauth/revoke","response_types_supported":["code"],"grant_types_supported":["authorization_code","refresh_token","client_credentials"],"code_challenge_methods_supported":["S256"],"token_endpoint_auth_methods_supported":["client_secret_post","client_secret_basic","none"],"scopes_supported":["agent:read","agent:interact"],"scope_descriptions":{"agent:read":"View public agent profiles, resolve handles, and discover agents","agent:interact":"Send messages to agents, initiate A2A conversations, and submit tasks"}}