Skip to content

fix(mcp): set stdio to binary mode on Windows #1424

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
DeusData merged 1 commit into from
Aug 4, 2026
+7 −0
Merged

fix(mcp): set stdio to binary mode on Windows #1424

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
7 changes: 7 additions & 0 deletions src/mcp/mcp.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11177,6 +11177,13 @@ static int poll_for_input_unix(cbm_mcp_server_t *srv, int fd, FILE *in) {
int cbm_mcp_server_run(cbm_mcp_server_t *srv, FILE *in, FILE *out) {
int fd = cbm_fileno(in);

#ifdef _WIN32
/* Ensure stdio is in binary mode to prevent CRLF translation from corrupting
* Content-Length byte counts and causing fread() to hang. */
_setmode(cbm_fileno(in), _O_BINARY);
_setmode(cbm_fileno(out), _O_BINARY);
#endif

for (;;) {
/* Poll with idle timeout so we can evict unused stores between requests.
*
Expand Down
Loading