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OpenCode concerns (not truely local)

Reddit r/LocalLLaMA / 3/16/2026

💬 OpinionDeveloper Stack & InfrastructureTools & Practical Usage

Key Points

  • OpenCode's serve command with the web UI proxies all requests to https://app.opencode.ai by default, exposing remote behavior instead of a local instance.
  • The tool has no startup flag or option to serve the web app locally, so users cannot run a fully local UI.
  • The discussion is reflected in multiple GitHub PRs and issues, indicating ongoing community concern.
  • The author considers this a major concern, especially for users behind firewalls or who seek a truly local, privacy-conscious workflow.

I know we all love using opencode, I just recently found out about it and my experience is generally positive so far.

Working on customizing my prompts and tools I eventually had to modify the inner tool code to make it suit my need. This has lead me to find out that by default, when you run opencode serve and use the web UI

--> opencode will proxy all requests internally to https://app.opencode.ai!

(relevant code part)

There is currently no option to change this behavior, no startup flag, nothing. You do not have the option to serve the web app locally, using `opencode web` just automatically opens the browser with the proxied web app, not a true locally served UI.

There are a lot of open PRs and issues regarding this problem in their github (incomplete list):

I think this is kind of a major concern as this behavior is not documented very well and it causes all sorts of problems when running behind firewalls or when you want to work truely local and are a bit paranoid like me.

I apologize should this have been discussed before but haven't found anything in this sub in a quick search.

submitted by /u/Ueberlord
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