MCP goes stateless — and Postman’s ready
Blog post from Postman
The upcoming release of the Model Context Protocol (MCP) specification on July 28, 2026, introduces a significant change by making MCP stateless, simplifying server management by eliminating the need for sessions and allowing for easier horizontal scaling with load balancers. This change requires server developers to upgrade their systems, with Postman’s MCP Inspector offering tools to test and debug the new stateless transport both before and during the migration process. Developers are advised to maintain dual transport modes for a transition period to ensure compatibility with existing clients while adopting the new protocol. Postman facilitates this migration by automatically detecting the transport type, testing both legacy and new endpoints, and allowing developers to verify the stateless behavior of their servers.
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