MCP’s next spec makes the core stateless and ships July 28 with Tasks and MCP Apps
burkov · x · 2026-07-28
The latest MCP release candidate introduces a major protocol revision: a stateless core, first-class extensions, Tasks, MCP Apps, hardened authorization, and a formal deprecation policy.
It is meant to make remote MCP servers easier to run on ordinary HTTP infrastructure: no sticky sessions or shared session store, routing via the Mcp-Method header, and cacheable tools/list responses when ttlMs allows. The final specification is scheduled to ship on July 28, 2026.
What changed
- Stateless protocol core for simpler scaling
- Extensions framework, including server-rendered UI via MCP Apps
- Tasks promoted to an extension for long-running work
- Authorization aligned more closely with OAuth/OIDC deployments
- Formal deprecation policy to reduce breaking-change pain
Related event: MCP Protocol Introduces Stateless Core in Major Update(2 posts)→
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