Skip to content

fix: detect 401 errors from StreamableHTTP transport in client #999

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
cliffhall merged 5 commits into from
Jan 7, 2026
+5 −1
Merged

fix: detect 401 errors from StreamableHTTP transport in client #999

Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
e1886a8
fix: detect 401 errors from `StreamableHTTP` transport in client
thinhtpt-dev Jan 6, 2026
36a7244
Update client/src/lib/hooks/useConnection.ts
cliffhall Jan 7, 2026
fdd5bec
Merge branch 'main' into main
cliffhall Jan 7, 2026
04898cb
Update client/src/lib/hooks/useConnection.ts
cliffhall Jan 7, 2026
f7bf100
Fix is401Error
cliffhall Jan 7, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 5 additions & 1 deletion client/src/lib/hooks/useConnection.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import {
import {
StreamableHTTPClientTransport,
StreamableHTTPClientTransportOptions,
StreamableHTTPError,
} from "@modelcontextprotocol/sdk/client/streamableHttp.js";
import {
ClientNotification,
Expand Down Expand Up @@ -358,8 +359,11 @@ export function useConnection({
const is401Error = (error: unknown): boolean => {
return (
(error instanceof SseError && error.code === 401) ||
(error instanceof StreamableHTTPError && error.code === 401) ||
(error instanceof Error && error.message.includes("401")) ||
(error instanceof Error && error.message.includes("Unauthorized"))
(error instanceof Error && error.message.includes("Unauthorized")) ||
(error instanceof Error &&
error.message.includes("Missing Authorization header"))
);
};

Expand Down