1. Give the AI a voice sample and the facts it must preserve, then narrow the edit to the passage that bothers you.
2. The English Humanizer skill is a resource to explore, while the recorded setup in this article comes from our Korean workflow.
3. Compare the edit with the original so plans, names, numbers, and unverified experiences don’t turn into different claims.
SNACKGIRLS · RED’S DEV LOG
Start with one awkward sentence. Save the editing rules that actually help.

Writing a club update

01But I’m the one who took the photo?
Hi, Red here. Have you ever read an AI draft and thought, “I understand the words, but who actually talks like this?”
I kept asking it to “make it sound less like AI.” The next draft would still have something odd in it. Eventually, I started pointing out the sentences that bothered me.
Kirari’s phone camera moved first.
Kirari was photographing the snacks. This sentence made it sound as though her phone had started moving on its own. For this article, here’s a clearer version:
Kirari lifted her phone and took a photo of the snacks.
Now you can tell who did what. That doesn’t give us permission to invent an action. The surrounding scene already established that she was taking photos. If the draft hadn’t told us enough, we’d need to ask.

If I took the photo, just say I took the photo.

Yeah. I tried to make it sound fancy and made it weird instead.
02Add an example after “make it natural”
“Natural” doesn’t mean the same voice in every situation. A message to a friend and a setup guide need different wording. I started writing down what felt wrong instead of asking for another complete rewrite.
These examples come from our Korean drafts. The English wording below is a translation of those examples, not a claim that we originally tested an English writing tool.
| Original wording, translated | What bothered us | Revised wording, translated |
|---|---|---|
| Many snacks, one tasting table | It lists things without giving the scene a voice. | Shall we get the snacks out first?A new heading example for this article |
| From “pretty like before” to which parts were pretty | It sounds like a report heading, rather than a question I’d ask. | I know it looks cute—but what should I ask it to copy?Adapted from the actual Dev Log 12 editing record |
| I failed to properly reflect the parts that needed to be followed in the picture. | It doesn’t say what was wrong. The original Korean also used the wrong level of politeness for AIKO. | I didn’t follow the reference well. The lettering looks different, and the white background is too wide.Excerpt adapted from the actual Dev Log 12 correction |
I’m not collecting words that “only AI uses.” I’m checking whether the sentence actually says what I need it to say. A dramatic line might fit a story perfectly and feel ridiculous in a short how-to.

Shiro-chan, so an example gives it more to go on than just “make it natural”?

Yes. It shows the kind of voice you’re looking for.
03Try this prompt before installing anything
A prompt is simply the request you send the AI. You don’t need special commands to try this. Paste your draft below these instructions, or save them in a note for later.
Edit the text below for someone who is new to AI. Use friendly, conversational English. Voice sample: “At first, I didn't even know which button to click. I checked the screen one step at a time.” Use this only as a voice reference. Do not add the experience in the sample to my article. Keep these rules: - Preserve dates, numbers, names, links, and the original facts. - Do not turn plans or guesses into completed actions or confirmed results. - Do not add experiences or outcomes that aren't in the source. - Make it clear who did what. If the source doesn't tell you, ask me instead of filling in the gap. - Cut inflated praise and repeated points. - Keep tables, useful emphasis, and example prompts. Give me the edited text, then explain three substantial changes. Flag any sentence that needs a fact or clarification from me. [Paste the text to edit here]
The sample demonstrates a voice. Its events must not become your personal experience in the finished article.
If one passage still feels wrong, narrow down the next request:
Revise only the second paragraph. Keep everything else.
Shorten its first sentence, but preserve the condition that this only “may” work.
That also makes the changes easier to compare. Keep the original and the edit separately. If you overwrite the source every time, it’s much harder to notice when a fact has changed.
04Save the rules you keep repeating
Copying the same instructions into every request got tedious. In our Korean workflow, we set up reusable writing and editing instructions in Codex. For this English edition, I also looked for an English resource readers could use.

Do I have to explain all this again for the next article?

We can save those rules in a file and have the agent read them when it works on your writing.
A NEW TERM · SKILL
A skill bundles instructions and supporting material.
In Codex, a skill can include a SKILL.md instruction file plus references or other resources. Setting up writing instructions doesn’t download a newly trained language model or make every future sentence correct.
blader/humanizer
This open-source skill reviews prose for habits such as inflated claims and repetitive, formulaic phrasing. Its instructions also say to preserve meaning and ask for missing facts instead of inventing them.
It’s an option for English readers, not a tool we claim to have installed or benchmarked in our earlier Korean experiment.
Official repository and installation instructions ↗Your project’s voice guide
Write down who the article is for, include a short voice sample, and list what an edit must preserve. For us, that includes beginners’ explanations, educational tables, and the way each person speaks.
You can start with the copyable prompt above. A reusable skill is useful when those instructions become a regular part of your work.
Read Humanizer’s instructions before using it ↗In our Korean setup, we also told the project which writing instructions to read, then compared the edits with a real draft. Saving files on one computer doesn’t configure another computer automatically; check the setup wherever you use it.
Want to try an English writing skill in Codex?
You can ask the agent to inspect the official repository and your current setup first:
I want to try an English editing skill in this Codex environment. Read the official blader/humanizer repository and its current installation instructions. Check for an existing installation and preserve my local rules. Explain how it applies in this environment before changing the setup. Keep my project's voice, factual constraints, and educational formatting. After setup, show a short before-and-after example. Do not rewrite any existing articles automatically.
The repository currently lists this Codex installation command:
npx skills add blader/humanizer --global --agent codex
npx comes with npm and runs a package command. This is an optional terminal route, not a requirement for the editing prompt above. Check the repository for prerequisites and current instructions before running it. The English resource was checked on October 2, 2026; our original Korean setup was recorded on September 27.
05It reads better. Did it invent something?
There’s a reason I don’t accept an edit just because I like its tone. Compare these two sentences:
Next week, I plan to try
the scheduling feature.
I tried the scheduling feature.
It saved me time.
The second version is easy to read. It also turns a plan into an experience and adds a result. This is a made-up exercise to show the error, not an outcome recorded during our installation.

“I plan to try it” can’t become “I tried it.”

Right. I’d better keep the original open too.

Check these four things in an edit
① Names and numbers — Are dates, prices, product names, and links unchanged?
② Certainty — Have plans, guesses, or possibilities become confirmed claims?
③ Experience — Does it say I did something I haven’t done, or achieved an unverified result?
④ Necessary detail — Are conditions, exceptions, tables, and example prompts still there?
A writing skill doesn’t remove the need for this check. Readability and accuracy are separate things to review.
06Don’t edit my voice out of it
I read the dialogue separately at the end. A clear explanation is one thing. Making me sound like a formal announcement when I’m talking to friends is another.

Can you imagine me saying “I shall verify that” all the time?

Shall we keep your dialogue and just edit the explanation?
The same applies to a message, a work notice, or a blog tutorial. After “make it sound human,” explain who is speaking to whom. Adding slang or jokes to every sentence won’t automatically make it sound like you.
For the next draft
- Give it one voice sample you actually like.
- Name the facts it must preserve.
- Read the edit beside the original.
I started with one sentence I couldn’t stand and ended up with rules I can use again. I still don’t get exactly the wording I want on the first try. But now I have something more useful to say than “That’s weird. Try again.”
That’s today’s draft!


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