Parallel coding agents with tmux and Markdown specs

Re:Parallel coding agents with tmux and Markdown specs by jasonjmcghee on Monday March 02, 2026 @05:37PM (#47225184)

I certainly don't run 6 at a time, but even with just 1 - if it's doing anything visual - how are folks hooking up screenshots to self verify? And how do you keep an eye on it?

The only solution I've seen on a Mac is doing it on a separate monitor.

I couldn't find a solution here and have built similar things in the past so I took a crack at it using CGVirtualDisplay.

Ended up adding a lot of productivity features and polished until it felt good.

Curious if there are similar solutions out there I just haven't seen.

https://github.com/jasonjmcghee/orcv

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Re:Parallel coding agents with tmux and Markdown specs by abreis on Monday March 02, 2026 @06:51PM (#47225989)

For macOS, generically, you can run `screencapture -o -l $WINDOW_ID output.png` to screenshot any window. You can list window IDs belonging to a PID with a few lines of Swift (that any agent will generate). Hook this up together and give it as a tool to your agents.

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Re:Parallel coding agents with tmux and Markdown specs by jasonjmcghee on Tuesday March 03, 2026 @09:59AM (#47233383)

And the compositor renders it unoccluded for the screenshot?

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Re:Parallel coding agents with tmux and Markdown specs by danbala on Monday March 02, 2026 @06:38PM (#47225868)

for anything web related, simply with the chrome claude plugin. then claude code can control the browser (and 'see' what's showing),

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