{"id":1394,"date":"2026-08-15T18:00:00","date_gmt":"2026-08-15T17:00:00","guid":{"rendered":"https:\/\/wade.one\/blog\/?p=1394"},"modified":"2026-08-15T18:00:00","modified_gmt":"2026-08-15T17:00:00","slug":"mcp-going-stateless-is-the-boring-fix-it-needed","status":"publish","type":"post","link":"https:\/\/wade.one\/blog\/2026\/08\/15\/mcp-going-stateless-is-the-boring-fix-it-needed\/","title":{"rendered":"MCP Going Stateless Is the Boring Fix It Needed"},"content":{"rendered":"

Model Context Protocol is useful because it gives agents a common way to call tools. It becomes much less appealing when a simple remote tool also needs session storage, sticky routing, and a pile of lifecycle code. The protocol going stateless is exactly the sort of boring simplification it needed.<\/p>\n

GitHub’s write-up on the new stateless MCP specification<\/a> explains the practical win nicely. Sessions and the initialize<\/code> exchange are removed, clients can perform the handshake in parallel, and ordinary HTTP headers carry information that previously required inspecting request bodies. Multi round-trip requests still allow interactive flows without turning the whole connection into server-side state.<\/p>\n

GitHub removed Redis-backed sessions from its own MCP server as a result. That means no database write during initialisation and no session read on each tool call. This is not a glamorous feature, but it makes horizontal scaling, failure recovery, and serverless deployment much less awkward. Those are the details that decide whether a protocol is pleasant to run rather than merely nice in a demo.<\/p>\n

Backward-compatible SDK support means existing clients and servers do not have to jump immediately. I would still treat stateless operation as the target for new remote MCP services. Agent tools already have enough security and observability questions to solve without inventing a distributed session problem as well.<\/p>\n","protected":false},"excerpt":{"rendered":"

MCP’s stateless core removes deployment plumbing that should never have been the interesting part of an agent tool.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[13],"tags":[123,155,64,127],"class_list":["post-1394","post","type-post","status-publish","format-standard","hentry","category-programming","tag-ai-agents","tag-github","tag-infrastructure","tag-mcp"],"yoast_head":"\nMCP Going Stateless Is the Boring Fix It Needed - 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