Anthropic Launches MCP 2026-07-28 with Stateless Core
Anthropic has released the MCP 2026-07-28 specification for the Model Context Protocol. The update introduces a transition to a stateless core alongside enhanced security features.
What happened?
Anthropic has launched MCP 2026-07-28, the fifth specification update for the Model Context Protocol. The primary change is the shift to a stateless core utilizing a request/response model, allowing servers to run on serverless and edge infrastructure. Additionally, authorization has been strengthened, and official extensions such as MCP Apps and Tasks have been standardized under a versioned framework.
Key facts
| Specifikation | MCP 2026-07-28 |
|---|---|
| Månatliga SDK-nedladdningar | >400 miljoner |
| Tillväxt i SDK-nedladdningar | 4x under året |
Why it matters
Transitioning from a bidirectional stateful model to a stateless architecture significantly simplifies development and scalability. The protocol has rapidly become the industry standard for connecting AI agents with external applications.
Who is affected?
The update affects developers building MCP servers, enterprises scaling their AI agents, and users of Claude products as support for the new specification is rolled out.
Impact on the EU
The update to the MCP standard is being distributed globally and remains subject to current EU regulations regarding data protection and digital services. Supporting a serverless architecture simplifies regulatory compliance for European firms handling data within the EU.
What else you should know
MCP has surpassed 400 million monthly SDK downloads, representing a fourfold increase year-on-year and consolidating its position as the industry standard for connecting AI agents to applications.
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- Assess technical risk: model choice, vendor lock-in, data flow and running cost.
- Update the architecture doc if new APIs or regulations touch production.
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