Guides · all free

Personality tuning, agent by agent.

Practical walkthroughs for installing a personality tuning wherever you talk to an AI — ChatGPT's custom instructions, Claude's instructions and projects, the new agents (GPT-6 Astra, Grok Bot, Meta Muse), and the instruction files your coding agents read. Start with the pillar guide if you're new; jump straight to your agent if you're not.

Start here

How to give your AI a personality.

The method: test → tuning → install · read →

What personality type is ChatGPT?

Answered with 2,200 test runs · read →

By agent

Custom instructions for all 16 MBTI types.

Paste-ready blocks, under the 1,500-char limit · read →

Make ChatGPT sound like you.

Personality-first vs corpus-first, honestly · read →

Change Claude's personality.

Instructions for Claude, Projects, Skills, and what replaced Styles · read →

Change Claude Code's personality.

Output styles, the flag that matters, and a 43-style pack · read →

Give GPT-6 Astra a personality.

Your personal AGENTS.md, and the retired picker · read →

Give Grok Bot a personality.

It lives in the Bot's Description · read →

Give Muse a personality.

Soul.md, Identity.md and Memory.md, explained · read →

CLAUDE.md examples that actually work.

Four annotated files + the principles · read →

The personality layer your AGENTS.md is missing.

CLAUDE.md, Cursor rules, Copilot instructions · read →

By system

Enneagram AI prompts for all 9 types.

Motivation-first tuning blocks · read →

MBTI vs Big Five, for AI purposes.

The only comparison backed by cross-model data · read →

Free tools

Custom instructions generator.

Your type + your agent → paste-ready block · open →

CLAUDE.md generator.

Three questions → a working starter file · open →