From ef120b2be0c3c3d80468c3d4a9f79be30bb0c0a3 Mon Sep 17 00:00:00 2001
From: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com>
Date: Thu, 2 Jul 2026 12:07:06 +0100
Subject: [PATCH] chore: add missing changesets for CommonJS builds and codemod
 iterations (#2412)

---
 .changeset/cjs-dual-builds.md      | 13 +++++++++++++
 .changeset/codemod-iterations-5.md |  5 +++++
 2 files changed, 18 insertions(+)
 create mode 100644 .changeset/cjs-dual-builds.md
 create mode 100644 .changeset/codemod-iterations-5.md

diff --git a/.changeset/cjs-dual-builds.md b/.changeset/cjs-dual-builds.md
new file mode 100644
index 00000000..e85f418a
--- /dev/null
+++ b/.changeset/cjs-dual-builds.md
@@ -0,0 +1,13 @@
+---
+'@modelcontextprotocol/server': minor
+'@modelcontextprotocol/client': minor
+'@modelcontextprotocol/core': minor
+'@modelcontextprotocol/server-legacy': minor
+'@modelcontextprotocol/codemod': minor
+'@modelcontextprotocol/express': minor
+'@modelcontextprotocol/hono': minor
+'@modelcontextprotocol/fastify': minor
+'@modelcontextprotocol/node': minor
+---
+
+Ship CommonJS builds alongside ESM for all v2 packages, so `require()` consumers and CJS-only toolchains can use the SDK without a bundler shim.
diff --git a/.changeset/codemod-iterations-5.md b/.changeset/codemod-iterations-5.md
new file mode 100644
index 00000000..fe6f5e84
--- /dev/null
+++ b/.changeset/codemod-iterations-5.md
@@ -0,0 +1,5 @@
+---
+'@modelcontextprotocol/codemod': patch
+---
+
+v1-to-v2 migration fixes from continued real-world migrations (codemod iterations 5).