MCP 2026-07-28 spec: stateless core, coming to Claude | Claude by Anthropic
Source: Claude.com· July 28, 2026
SynaBot summary
Anthropic's Claude AI is adopting a stateless core architecture for its Model Context Protocol (MCP). This update, version 2026-07-28, enhances security and streamlines how Claude interacts with external tools and data sources.
Key takeaways
- Claude adopts stateless core for better tool integration
- Enhanced authorization improves security for connected services
- Official extensions are now a stable feature
- Millions of users benefit from improved MCP
Why it matters
This shift means Claude assistants can handle more complex requests by efficiently managing external information without needing to remember previous interactions. Users will experience more reliable and secure connections to integrated tools and data.
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