Unverified50% confidenceFactExact time
MCP 2.0 changed the protocol to be stateless and sessionless, which is a breaking change.
1
Sources
50%
Confidence
Long-term
Relevance
9/16/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe new version of MCP introduces a Stateless Protocol, where the server no longer needs to maintain session context, and each request is independent and self-contained.79% similarUnverifiedThe stateful persistent connection mode of older MCP versions has a fundamental conflict with the ephemeral execution model of Serverless.76% similarUnverifiedSupporting the new MCP protocol itself is straightforward; what is truly tricky is the large amount of undefined behavior present in wild MCP servers.72% similarUnverifiedUnder the old MCP specification, GitHub MCP and many distributed MCP servers could not support elicitation, because it requires cross-server communication to coordinate state and sessions.70% similarUnverifiedMCP prompt template modifications can take effect in real time without restarting the server.69% similar
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