chore: add changeset for stdin close fix

ElliotDrel · ElliotDrel · commit 7e70ca3a4c04 · 2026-05-01T13:20:51.000-04:00
diff --git a/.changeset/fix-stdio-stdin-close-exit.md b/.changeset/fix-stdio-stdin-close-exit.md
@@ -0,0 +1,5 @@
+---
+"@modelcontextprotocol/server": patch
+---
+
+Exit server process when MCP client closes stdin pipe. Previously, `StdioServerTransport` failed to detect when a client closed its stdin pipe, causing server processes to accumulate as zombies. This adds `close` and `end` event listeners on stdin that trigger proper transport cleanup.

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"@modelcontextprotocol/server": patch
 +---
++
 +Exit server process when MCP client closes stdin pipe. Previously, `StdioServerTransport` failed to detect when a client closed its stdin pipe, causing server processes to accumulate as zombies. This adds `close` and `end` event listeners on stdin that trigger proper transport cleanup.