Unverified50% confidenceReleaseExact time
The latest MCP specification update removes three stateful mechanisms—Session, initialize handshake, and stream resumability—shifting to a stateless architecture.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/16/2026
First Seen
Valid until: 12/15/2026
Sources
Related Entities
Related Claims
UnverifiedMCP 2.0 changed the protocol to be stateless and sessionless, which is a breaking change.74% similarUnverifiedThe update fixes an issue where the tool list cache was retained after an MCP server reconnected.71% similarUnverifiedMCP prompt template modifications can take effect in real time without restarting the server.70% similarUnverifiedClients and servers written against the old MCP specification will be unable to communicate normally with the new specification, and code paths that rely on session state, handshake flows, or stream resumability may break.69% similarUnverified当某个MCP工具未被正确触发时，暂时关闭其他MCP工具减少干扰后重新运行，往往能帮助模型识别到正确的工具68% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/927053API
curl https://kongchang.com/api/v1/knowledge/claims/927053MCP
get_claim(id=927053)