Anthropic Launches MCP 2026-07-28 With Stateless Architecture, 950+ Servers, and Enterprise-Grade Security
Summary
Anthropic launches MCP 2026-07-28, a major update to its Model Context Protocol that shifts to a stateless architecture, enabling serverless deployment, enterprise-grade OAuth 2.0 security, and a standardized extensions framework, as Claude's connector directory surpasses 950 MCP servers.
Key Points
- Anthropic is rolling out MCP 2026-07-28, the fifth release of the Model Context Protocol, which transitions MCP from a stateful bidirectional protocol to a stateless request/response core, enabling servers to deploy on serverless and edge infrastructure.
- The new spec introduces a standardized extensions framework that officially graduates MCP Apps and Tasks, allowing developers to build interactive UIs and handle long-running work, while also hardening authorization to align with production OAuth 2.0 and OIDC standards for seamless enterprise identity integration.
- Claude now lists over 950 MCP servers in its connectors directory, and new platform features including enterprise-managed auth, developer observability dashboards, and MCP tunnels for private network access are expanding how teams build and deploy MCP-powered experiences at scale.