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Stdio client does not set windowsHide #1638
Description
Describe the bug
MCP stdio client only sets windowsHide for electron apps https://github.com/modelcontextprotocol/typescript-sdk/blob/v1.x/src/client/stdio.ts#L128 This makes an empty console window (cmd.exe) show up if launched outside of electron.
To Reproduce
Steps to reproduce the behavior:
- Use StdioClientTransport to launch a Node.js based server on Windows
Expected behavior
No windows should show up.
Logs
If applicable, add logs to help explain your problem.
Additional context
Mentioned here #1104
Activity
OrKoN commentedon Mar 6, 2026
I suggest to always set windowsHide to true as 1) it is windows-specific already 2) non-Electron apps also want their server not to have any windows.
chore: work around the SDK's MCP client issues (#1137)
fix(stdio): always set windowsHide on Windows, not just in Electron
fix(stdio): always set windowsHide on Windows, not just in Electron
fix(stdio): always set windowsHide on Windows, not just in Electron
chore: work around the SDK's MCP client issues (#1137)