{"issuer":"https://mcp.userz.ai","authorization_endpoint":"https://api.userz.ai/oauth/authorize","token_endpoint":"https://api.userz.ai/oauth/token","registration_endpoint":"https://api.userz.ai/oauth/register","scopes_supported":["mcp:read","mcp:write","mcp:admin"],"response_types_supported":["code"],"grant_types_supported":["authorization_code","refresh_token"],"code_challenge_methods_supported":["S256"],"token_endpoint_auth_methods_supported":["client_secret_basic","client_secret_post","none"]}