diff --git a/.changeset/happy-ways-sleep.md b/.changeset/happy-ways-sleep.md
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+---
+"@pnpm/store.index": minor
+---
+
+Export `pickStoreIndexKey(resolution, pkgId, { built })` — picks the appropriate store-index key for a resolution:
+git-hosted entries route through `gitHostedStoreIndexKey(pkgId, { built })`, everything else through
+`storeIndexKey(resolution.integrity, pkgId)`. Centralizes the routing for `installing.package-requester`,
+`building.after-install`, `store.pkg-finder`, and `modules-mounter.daemon` so each consumer reads
+`resolution.gitHosted` once via a single typed call.
+