add changeset

guoyangzhen · guoyangzhen · commit 73389b990d25 · 2026-03-21T02:09:29.000+08:00
diff --git a/.changeset/fix-sse-chunked-encoding.md b/.changeset/fix-sse-chunked-encoding.md
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+---
+'@modelcontextprotocol/server': patch
+---
+
+Add Transfer-Encoding: chunked header to SSE responses in WebStandardStreamableHTTPServerTransport. Prevents HTTP/2 PROTOCOL_ERROR with adapters like @hono/node-server that buffer responses and add Content-Length headers.

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'@modelcontextprotocol/server': patch
 +---
++
 +Add Transfer-Encoding: chunked header to SSE responses in WebStandardStreamableHTTPServerTransport. Prevents HTTP/2 PROTOCOL_ERROR with adapters like @hono/node-server that buffer responses and add Content-Length headers.