---
title: "Brand Voice for AI Writing on X · Kairo Post"
description: "Teach Kairo Post how each account sounds: voice, topic pillars, examples, words to avoid, your documents, research sources and brand kit."
url: https://kairopost.com/features/brand-brain
---

[Brand brain](https://kairopost.com/features)

# Teach it once, sound like you

Brand brain is where each account's voice lives: how it sounds, who it talks to, what it covers and what it never says. The Agent, Articles Studio and Campaigns all write from it.

[Get started](https://app.kairopost.com/signup)

## Words you never use, caught as you type

List the phrases an account must never use and the claims that need a source. Try it: edit the draft, or add your own word.

## A healthy mix of topics

Set your content pillars and the share each one gets. They always add up to 100%, and Campaigns use them to balance the week.

## One brand kit for every design

Logo, colours, fonts and handles in one place. Every design from the Agent or a campaign uses them. Pick a palette and a font to see the designs follow.

## Sources you choose

Add the feeds you trust, or a single article. Fresh stories from them come together in a digest you can write from. Try adding one.

## Import your X archive to teach the Brand brain how you write

Upload the archive X lets you download. Kairo Post reads your posts, threads and replies, measures how you write, and you choose what the Brand brain keeps. It is free.

### Audience

Describe who you're writing for, and drafts pitch their language to them.

### Approved examples

Pick posts you love. Approved examples guide the writing, not the average of the internet.

### Documents

Add product facts and your own expertise so drafts get the details right.

### Feedback

Approved notes on past drafts help the next drafts improve.

### Language and terms

Set the language, and keep product names and spelling the same in every post.

### Versions

Every saved change is a version, so you can see what changed and go back.

## What you get

Everything Brand brain does today, in plain words.

### Brand brain

- Write a sample: Try the voice before you rely on it: a sample post streams into an X post preview.
- Brand kit: Logo, colours, fonts and handles that every design uses.
- Documents: Add your own files so drafts get product facts right.
- Feedback: Notes on past drafts that you approve are used to improve the next ones.
- Import your X archive: Upload the archive X lets you download. Kairo Post measures how you write and you choose what the Brand brain keeps. Free.

### Voice, topics & knowledge

- Account topic and voice: Describe what an account covers and how it sounds.
- Topic pillars and ratios: Balance news, tutorials, opinions and product updates.
- Audience profile: Tailor posts to the people the account wants to reach.
- Approved writing examples: Teach a model through examples chosen by the user.
- Words and claims to avoid: Prevent unwanted phrases and unsupported brand claims.
- Language and terminology: Keep technical terms and local language consistent.
- Voice versions: Improve a style without changing every existing draft.

### News & research engine

- RSS and Atom ingestion: Watch selected publications and release feeds.
- Source allowlists: Let users choose trusted sources and excluded domains.
- Safe article extraction: Read permitted source material without exposing internal systems.
- Research digest: Prepare a shortlist when automatic publishing is unsuitable.

## Common questions

### What does Brand brain change?

Every AI draft for the account: posts and threads from the Agent, articles in Articles Studio and posts planned by Campaigns all follow its voice, words to avoid, examples and documents.

### Can I test the voice before using it?

Yes. Write a sample with the model you pick and watch it appear in an X post preview. A sample uses credits like any other AI draft.

### Does each account get its own voice?

Yes. Every connected X account has its own Brand brain, so a company account and a founder account can sound different.

### Where do research stories come from?

Only from the sources you add: feeds you trust or single articles. Admins choose which websites research may read.

## Try the tools, no account needed

- [AI phrase checker](https://kairopost.com/tools/ai-phrase-checker)
- [Bio and alt text checker](https://kairopost.com/tools/x-bio-checker)

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## Post at the right moment. Starting today.

Connect an account, describe your voice and let Kairo Post do the legwork.

[Get started](https://app.kairopost.com/signup) [See pricing](https://kairopost.com/pricing)