Caching hints (ttlMs / cacheScope) #2899

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1. maxisbey

   added this to the 2026-07-28 spec support milestone on Jun 17, 2026
2. maxisbey

   added

   v2Affects the v2 line (2.x on main)Affects the v2 line (2.x on main)

   spec-2026-07-28Concerns the SDK's implementation of the 2026-07-28 MCP spec revisionConcerns the SDK's implementation of the 2026-07-28 MCP spec revision

   on Jun 17, 2026
3. maxisbey

   added a parent issue on Jun 17, 2026

   • 2026-07-28 spec support — tracking #2891
4. maxisbey

   added a commit that references this issue on Jun 29, 2026

   Add cache_hints constructor map for SEP-2549 caching hints

   ...

   d8d86dd
5. maxisbey commented on Jul 1, 2026

   

   maxisbey

   on Jul 1, 2026

   ContributorAuthor

   More actions

   Shipped in v2.0.0b1: server-wide default + per-handler ttlMs/cacheScope on all six cacheable results (#3015), deterministic tools/list ordering, and the client-side response cache honoring the hints (#3023). The caching conformance scenario passes.

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6. maxisbey

   closed this as completedon Jul 1, 2026