Idea: use Turso/ZeroMQ/WebSockets for shared event bus, synchronize multiple opencode TUIs and servers #2783

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1. remorses

   changed the title [-]Idea: use ZeroMQ for shared event bus for `client.event.subscribe`[/-] [+]Idea: use ZeroMQ for shared event bus for `/event`[/+] on Sep 25, 2025
2. github-actions commented on Sep 25, 2025

   

   github-actionsBot

   on Sep 25, 2025 – with GitHub Actions

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   This issue might be a duplicate of existing issues. Please check:

   • Show chats messages created by the sdk in real time in the opencode cli (even if opencode server is different) #2403: Shows the exact same problem you're describing - messages created by the SDK aren't shown in real time in the CLI when using different processes, and state synchronization issues between multiple sessions
   • Feature Request: Connect TUI to Existing opencode serve Instance #878: Feature request for connecting TUI to existing opencode serve instances (closed but directly related to multi-session support)

   Feel free to ignore if none of these address your specific case.
3. remorses

   changed the title [-]Idea: use ZeroMQ for shared event bus for `/event`[/-] [+]Idea: use ZeroMQ for shared event bus, synchronize multiple opencode TUIs and servers[/+] on Sep 25, 2025
4. rekram1-node

   assigned

   thdxr

   on Sep 25, 2025
5. remorses

   changed the title [-]Idea: use ZeroMQ for shared event bus, synchronize multiple opencode TUIs and servers[/-] [+]Idea: use ZeroMQ or WebSockets for shared event bus, synchronize multiple opencode TUIs and servers[/+] on Sep 26, 2025
6. taqtiqa-mark commented on Sep 28, 2025

   

   taqtiqa-mark

   on Sep 28, 2025

   Last edited by taqtiqa-mark

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   this means that you cannot have 2 opencode sessions open at the same time or use opencode serve and opencode tui at the same time.

   @remorses I believe that the new opencode attach <prot://host:port> resolves this?

   #2635 (comment) see 40c206c
7. remorses commented on Sep 29, 2025

   

   remorses

   on Sep 29, 2025

   Last edited by remorses

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   it's not a great DX. I don't know the port the server is listening to, i want to use /sessions command instead

   Also doesn't work if i have an already open tui and want to start a server for the same project

   This behavior needs to be baked in
8. taqtiqa-mark commented on Sep 29, 2025

   

   taqtiqa-mark

   on Sep 29, 2025

   Last edited by taqtiqa-mark

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   Some of this isn't documented, or the docs are wip:

   I don't know the port the server is listening to

   That is either the default port 4096, or the port you nominated with opencode serve --port 1234 --hostname 127.0.0.1
   Note that opencode starts a server with default port and hostname, and connects the TUI client to that.

   Also doesn't work if i have an already open tui and want to start a server for the same project.

   As above, when you started the TUI, it started a server (with defaults) for you.

   Test:

   opencode &
   
   # Step 3: Wait briefly for server to start (adjust sleep if needed)
   sleep 5
   
   # Step 4: Check if port 4096 is listening (using ss; install net-tools if using netstat)
   ss -tuln | grep 4096  # If output shows LISTEN on :::4096 or 0.0.0.0:4096, it's running
   
   # Alternative: Use curl to verify the API docs endpoint (should return HTML if server is up)
   curl -f http://127.0.0.1:4096/doc || echo "Server not responding"
   
   # Step 5: Clean up (stop the server and any processes)
   pkill -f opencode  
   

   i want to use /sessions command instead

   Maybe that can be a separate issue, given this one concerns "multiple opencode TUIs and servers)"?
9. athal7 commented on Jan 2, 2026

   

   athal7

   on Jan 2, 2026

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   Still encountering this - opening multiple TUI instances for the same directory doesn't sync the session list. Would love to see this addressed. Happy to help test any solutions.
10. remorses

    changed the title [-]Idea: use ZeroMQ or WebSockets for shared event bus, synchronize multiple opencode TUIs and servers[/-] [+]Idea: use Turso/ZeroMQ/WebSockets for shared event bus, synchronize multiple opencode TUIs and servers[/+] on Jan 24, 2026
11. github-actions commented on Mar 27, 2026

    

    github-actionsBot

    on Mar 27, 2026 – with GitHub Actions

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    To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one.
12. github-actions

    closed this as completedon Mar 27, 2026