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Fix stateless StreamableHttp connections #806

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Merged
olaservo merged 1 commit into from
Sep 16, 2025
Merged

Fix stateless StreamableHttp connections #806

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4 changes: 2 additions & 2 deletions server/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -53,8 +53,8 @@ const getHttpHeaders = (req: express.Request): Record<string, string> => {
lowerKey === "authorization" ||
lowerKey === "last-event-id"
) {
// Exclude the proxy's own authentication header
if (lowerKey !== "x-mcp-proxy-auth") {
// Exclude the proxy's own authentication header and the Client <-> Proxy session ID header
if (lowerKey !== "x-mcp-proxy-auth" && lowerKey !== "mcp-session-id") {
const value = req.headers[key];

if (typeof value === "string") {
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