kevin(@kleffew94):Great article from @googledevs on Stateless MCP. Sessions were a big bottleneck, which is way x402 has chosen the stateless route. Maintaining session state across distributed systems introduces coordination overhead that scales linearly with concurrency. Payment authorization is per-request state. A protocol that needs a session has bound settlement to connection lifetime. TLDR, the best way to do a 402 payment protocol is not with sessions.

kevin

@kleffew94

distributed systems, onchain finance, models, and agents | coauthor of @x402 whitepaper | AI @coinbasedev | prev @replit |

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kevin@kleffew94

2026.08.13 18:06

Great article from @googledevs on Stateless MCP. Sessions were a big bottleneck, which is way x402 has chosen the stateless route. Maintaining session state across distributed systems introduces coordination overhead that scales linearly with concurrency. Payment authorization is per-request state. A protocol that needs a session has bound settlement to connection lifetime. TLDR, the best way to do a 402 payment protocol is not with sessions.

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