Top secret · eyes only · yojoe.app
YoJoe app icon: a manila folder stamped with a red code tag
Operation: Fix The Typo
Clearance: everybody

YoJoe

Your agent wrote the page. You fix the typo.

A little Mac app for hand-editing the HTML pages Claude and Codex crank out. Click in, type like it's a Word doc, hit Save. Only what you touched changes. No prompt required.

Download. It's free.

Version 0.2.5 · macOS 14 Sonoma or later · Signed and notarized by Apple
What's new · Get update emails

NO
PROMPT
NEEDED
Cartoon of a square-jawed office commando at a desk, red pencil raised in triumph over a laptop showing a web page
Approved

Mission briefing

Your orders

01 Click in and type.

Headings, lists, tables, images. It feels like a document because that's the whole point. Open a folder, pick a page, go.

02 Save touches nothing else.

YoJoe writes the same file back with only your change in it, byte for byte. Your agent picks up right where it left off. (It'll just notice the typo's gone.)

03 Survive the ambush.

Agent rewrote the page while you were mid-sentence? YoJoe catches it. Keep yours or take theirs. And the loser goes to recovery, not the shredder.

04 No AI inside. On purpose.

Bring your own agent. YoJoe just holds the pencil.

Comic panel: a boxy robot hands a stack of web pages to the office commando, who is already uncapping a red pencil

The situation

Why this exists

Agents are great at building a whole page. They're weirdly expensive at fixing one word. You explain the change, wait, then check it didn't wreck three other things.

So Joe built the missing step. The agent does the heavy lifting. You do the fiddly bits yourself, in about four seconds, and hand it back.

Field manual

Getting in

  1. Download the zip. It's free, no email, no catch.
  2. Unzip it. You get YoJoe.app.
  3. Drag it to Applications. It's notarized, so it just opens.
  4. Drop a folder of pages on it. Start fixing.

Incoming transmission

Get the dispatch

One short email when there's a new version, with what changed. No newsletter, no drip campaign, no "we miss you." Unsubscribe any time.

I'll send a confirm link first. The changelog has the full history.

Debrief

Questions from the field

Does it phone home?

No. Your files stay on your Mac. There's no account and nothing to sign in to.

Windows? Linux?

Mac only, macOS 14 Sonoma or later. Sorry. It's a small operation.

Does it work on any HTML?

It's built for the pages agents write, like course notes, plans, briefs and reports. Hand-rolled sites with lots of scripts are a different beast.

Got a feature idea? Found a bug?

Send a field report. It comes straight to me, and I read every one.

What changed lately?

It's all in the changelog, newest first.

Why's it called YoJoe?

Richard named it. Anyone who grew up on 80s Saturday-morning cartoons already gets it.