diff --git a/.changeset/quiet-amber-field.md b/.changeset/quiet-amber-field.md
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+---
+"shadcn": patch
+---
+
+Send `Accept: application/vnd.shadcn.v1+json, application/json;q=0.9` and `User-Agent: shadcn` on registry fetches so servers using HTTP content negotiation can reliably serve JSON to the CLI. Fixes #10164.