Auth0 Solves MCP Identity but Leaves the AI Agent 'Pay-per-Call' Gap Wide Open

While Auth0's GA release of MCP authentication streamlines identity management, it fails to address the critical economic reality of AI agents: the need for granular, per-call monetization. This highlight reveals why traditional identity-based auth is insufficient for autonomous agents and why protocols like L402 for real-time micro-payments are the missing link in the agentic ecosystem.