claude-code - 💡(How to fix) Fix Claude Desktop Task mode: "Failed to create bridge sockets after 5 attempts" on macOS 26.4 [12 comments, 11 participants]

From ~/Library/Logs/Claude/cowork_vm_node.log:

[Spawn:vm] Spawn succeeded in 41ms
[vm-stderr] Error: Failed to create bridge sockets after 5 attempts
[Process] Exited, code=1, duration=917ms

TL;DR

The issue can be potentially resolved by investigating and addressing the permissions on the MITM proxy socket or the timing of its creation in relation to the socat connection attempts.

Guidance

• Investigate the permissions on the /var/run/mitm-proxy.sock socket to ensure they allow the non-root session user to connect.
• Check the timing of the MITM proxy socket creation and the socat connection attempts to identify any potential race conditions.
• Verify that the coworkd process is correctly setting up the MITM proxy and that the socket is indeed available when socat attempts to connect.
• Consider adding logging or debugging statements to the socat command or the MITM proxy setup to gain more insight into the failure.

Example

No specific code snippet can be provided without modifying the existing codebase, but adding debug logging to the socat command, such as socat -v TCP-LISTEN:3128 UNIX-CONNECT:/var/run/mitm-proxy.sock, might help identify the issue.

Notes

The problem seems specific to the interaction between the socat command and the MITM proxy socket, and resolving it may require a deeper understanding of the socket's creation and permissions. The fact that Chat mode works and only Task mode is affected suggests that the issue is related to the specific setup or configuration of the Task mode session.

Recommendation

Apply a workaround by modifying the socat command to retry the connection or adjusting the timing of the MITM proxy socket creation, as the root cause is likely related to the interaction between these components.