Parker Rex

I build software and make videos.

Founder of Little Worker · Austin, Texas

active today · 12,554 contributions/yr

I'm building Little Worker, software for working with AI agents.

I make videos about the things I build and the questions I keep coming back to. I keep asking until I understand, and share what I learn.

See Little WorkerWatch the videosWork with meResume

This week
in agents.

Grok 4.7. Amazon blocks Muse. Agents leave notes for their future selves.

13 stories · September 22, 2026Read the roundup

Projects

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YouTube

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Writing

All writing

Ship Log

3h since last ship
  • #2273feat(desktop): the Mac design system, part 3: menus, surfaces, marks, type and color
  • #2275test(core): count OrbStack forward starts, not late log lines
  • #2265feat(ios): a Today widget, a Live Activity for busy workers, and a New To-Do control
  • #2271feat(desktop): worker page uses each worker's own tools, Mac access and files
  • #2261feat(desktop,console): Pip is the TV on the Mac and the web
  • #2269fix(core): only the person who started a task can answer its question
  • #2268feat(core): list the files a worker made
  • #2266feat(core): per-worker Mac access
  • #2264feat(core): the person's first name for the greeting
  • #2263feat(core): send question notifications so the iPhone can reply
  • #2262feat(core): per-worker tool switches
  • #2258feat(ios): a living team: faces that react, a new Pip icon, haptics and motion for every moment
  • #2259fix(ios): the gallery's sample server reads a request body to its end
  • #2260fix(desktop): review follow-ups for the design library, Settings sheet and Today rows
  • #2257feat(desktop): the Mac design system, part 2: fields, controls, rows and grouped boxes
  • #2256feat(desktop): the Mac design system, part 1: foundations and buttons
  • #2254fix(desktop): no warning at start when the person has no computer yet
  • #2255fix(desktop): give-task test awaits the rejected promise directly
  • #2253fix(desktop): develop downloads Electron after a fresh install and stops core when it fails
  • #2252feat(desktop): a design library of every control, and the proposed Mac system

GitHub

active today
12,554 contributions this year@parkerrex

Hikes

5 trails · 12.0 mi · 3 regions
  • Alta · Utah2 · 3.0 mi
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  • Grand Teton · Wyoming2 · 6.4 mi
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  • Glacier · Montana1 · 2.6 mi
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Map of hikes near Alta · UtahMap of hikes near Grand Teton · WyomingMap of hikes near Glacier · Montana
1Avalanche Lake2.6 mi · 217 ft · Jun 18, 2026