Cannot use opencode attach when OPENCODE_SERVER_USERNAME set #25113

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1. jasonwch

   added

   bugSomething isn't workingSomething isn't working

   on Apr 30, 2026
2. github-actions

   assigned

   rekram1-node

   on Apr 30, 2026
3. github-actions

   added

   coreAnything pertaining to core functionality of the application (opencode server stuff)Anything pertaining to core functionality of the application (opencode server stuff)

   on Apr 30, 2026
4. github-actions commented on Apr 30, 2026

   

   github-actionsBot

   on Apr 30, 2026 – with GitHub Actions

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

   • opencode attach ignores OPENCODE_SERVER_USERNAME, hardcodes "opencode" #18611: opencode attach ignores OPENCODE_SERVER_USERNAME and hardcodes "opencode" as the username — describes the same root cause and symptoms
   • Cannot 'attach' to an opencode server with a password #9011: Cannot attach to an opencode server with a password (returns Unauthorized) — same error and use case (now closed)

   If your issue is distinct from these, please add more detail explaining the difference.
5. OpeOginni commented on Apr 30, 2026

   

   OpeOginni

   on Apr 30, 2026

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   How did you start the server?
6. jasonwch commented on Apr 30, 2026

   

   jasonwch

   on Apr 30, 2026

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   How did you start the server?

   I use this method to start as service
   https://gist.github.com/shawnyeager/752ce43e4f8d97f55cd9db397544873f
7. davereed commented on May 1, 2026

   

   davereed

   on May 1, 2026

   Last edited by davereed

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   It's not well documented, but you can do:

   opencode attach http://ip:port -p password
8. jasonwch commented on May 1, 2026

   

   jasonwch

   on May 1, 2026

   Last edited by jasonwch

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   It's not well documented, but you can do:

   opencode attach http://ip:port -p password

   I mean I have custom username by OPENCODE_SERVER_USERNAME as well
9. davereed commented on May 2, 2026

   

   davereed

   on May 2, 2026

   Last edited by davereed

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   It seems to be hardcoded to the default 'opencode' username. I think your only option would be to unset the custom username.

   opencode/packages/opencode/src/cli/cmd/tui/attach.ts

   Line 66 in 51e310c

   const auth = `Basic ${Buffer.from(`opencode:${password}`).toString("base64")}`
10. OpeOginni commented on May 2, 2026

    

    OpeOginni

    on May 2, 2026

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    It seems to be hardcoded to the default 'opencode' username. I think your only option would be to unset the custom username.

    opencode/packages/opencode/src/cli/cmd/tui/attach.ts

    Line 66 in 51e310c

    const auth = `Basic ${Buffer.from(`opencode:${password}`).toString("base64")}`

    Noticed that too, would need to alert the team
11. thdxr

    removed

    bugSomething isn't workingSomething isn't working

    coreAnything pertaining to core functionality of the application (opencode server stuff)Anything pertaining to core functionality of the application (opencode server stuff)

    on May 3, 2026
12. thdxr

    assigned

    nexxeln

    and unassigned

    rekram1-node

    on May 3, 2026
13. SrHenry commented on May 3, 2026

    

    SrHenry

    on May 3, 2026

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    Makes no sense to have a environment variable like OPENCODE_SERVER_USERNAME if you can't use it anywhere but the Web UI. PR #9095 fixed it ages ago but never got merged
14. nexxeln

    closed this as completedin #25596on May 3, 2026