The 2026-07-28 MCP Specification Release Candidate | Model Context Protocol Blog
The release candidate for the next Model Context Protocol (MCP) specification is now available: a stateless protocol core, the Extensions framework, Tasks, MCP Apps, authorization hardening, and a formal deprecation policy.
The release candidate for MCP 2026-07-28 is now available. It is the largest revision of the protocol since launch and delivers on the 2026 roadmap: a stateless core that scales on ordinary HTTP infrastructure extensions including server-rendered UIs through MCP Apps and long-running work through the Tasks extension authorization that aligns more closely with OAuth and OpenID Connect deployments a formal deprecation policy so the protocol can evolve without breaking what you’ve built, and many other changes. The practical effect on a production deployment is immediate. A remote MCP…
saved by
related reading
- A Post-Quantum Future for Let's Encrypt - Let's Encryptletsencrypt.org
- Introducing Model Context Protocol (MCP) | Glamaglama.ai
- What is the Model Context Protocol (MCP)? - Model Context Protocolmodelcontextprotocol.io
- Introducing the Model Context Protocol \ Anthropicanthropic.com
- The Communication Protocol · Hugging Facehuggingface.co
- A Deep Dive Into MCP and the Future of AI Tooling | Andreessen Horowitza16z.com
- MCP is not good, yet.cra.mr
- Code execution with MCP: building more efficient AI agents \ Anthropicanthropic.com
- Turbo MCPmcp.run
- Thoughts on the MCPondr.sh
- Simon Willison’s Weblogsimonwillison.net
- GitHub - xuio/ltspice-mcp: LTSpice MCP Servergithub.com