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🛰️ fix: MCP SSE & Ping Error Handling (#10635)

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Co-authored-by: Peter Rothlaender <peter.rothlaender@ginkgo.com>
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Peter 2025-11-24 19:57:29 +01:00 • committed by GitHub
parent 35319c1354
commit 3628619297
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GPG key ID: B5690EEEBB952194
1 changed files with 15 additions and 3 deletions
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18
packages/api/src/mcp/connection.ts
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@ -595,17 +595,27 @@ export class MCPConnection extends EventEmitter {
private setupTransportErrorHandlers(transport: Transport): void {
transport.onerror = (error) => {
logger.error(`${this.getLogPrefix()} Transport error:`, error);
// Check if it's an OAuth authentication error
if (error && typeof error === 'object' && 'code' in error) {
const errorCode = (error as unknown as { code?: number }).code;
// Ignore SSE 404 errors for servers that don't support SSE
if (
errorCode === 404 &&
String(error?.message).toLowerCase().includes('failed to open sse stream')
) {
logger.warn(`${this.getLogPrefix()} SSE stream not available (404). Ignoring.`);
return;
}
// Check if it's an OAuth authentication error
if (errorCode === 401 || errorCode === 403) {
logger.warn(`${this.getLogPrefix()} OAuth authentication error detected`);
this.emit('oauthError', error);
}
}
logger.error(`${this.getLogPrefix()} Transport error:`, error);
this.emit('connectionChange', 'error');
};
}
@ -678,7 +688,9 @@ export class MCPConnection extends EventEmitter {
const pingUnsupported =
error instanceof Error &&
((error as Error)?.message.includes('-32601') ||
(error as Error)?.message.includes('-32602') ||
(error as Error)?.message.includes('invalid method ping') ||
(error as Error)?.message.includes('Unsupported method: ping') ||
(error as Error)?.message.includes('method not found'));
if (!pingUnsupported) {