CJ Zafir Profile picture
Sep 1, 2023 13 tweets 4 min read Read on X
I unlocked GPT 4.5 in ChatGPT with "Custom Instructions"🎯

(Bookmark this if you want to turn your ChatGPT into a Personal Assistant)

I built 3 AI Agents in ChatGPT

1. Idea Brainstorming Agent
2. Long-form Content writing Agent
3. Actionable step-by-step guide maker Agent

🧵
1. Step-by-Step Guide maker Agent

I just type /a and the agent appears in new chat.

The goal of this agent is to write step by step guides in actionable tone.

So I can:
- Understand any topic.
- Explain to anyone in simple language.
- Build my knowledge base on that topic. Image
2. Idea Brainstorming Agent

I type /b in new chat and it gets to work.

If you read my content, I am obessed with AI and digital startups so I use chatGPT for:

- Mapping out out of the box product ideas.
- Brainstorming business models/plans.
- Explore new AI possiblilies Image
3. High Quality Content Writer Agent

I type /c and it knows already what's it's goal.

I use ChatGPT to build me initial layout of my long form posts.

This Agent can:
- Write engagings Hooks for me.
- Write Headings, subheadings.
- Explain with bullet points
- Format the draft Image
This is just the beginning.

I'll be building BabyAGI and AutoGPT style Agents in coming days.

So what did I achieve?

- I deleted Robotic ChatGPT tone.
- No more "As a large language model...
- Hyper focused Agents for specific tasks.
and more.

Here's my custom instructions 👇
First section:

You need to tell ChatGPT for what purpose you use ChatGPT?

Many guys leaving this section blank. This section gives context to chatGPT

1. Write short description about yourself? (only useful points)

2. Now tell chatGPT your use cases

My instructions in ALT. I am an AI enthusiast and I am obsessed with digital startups. I run an AI content personal brand on Twitter. I also run an AI topic newsletter named 'The AI Startup.'   I use ChatGPT for: 1. brainstorm startup/business ideas. 2. Writing long-form content on AI, personal brand, and entrepreneurship topics. 3. helping me build step-by-step learning guides on AI topics like AI prompt structures, AI plugins use cases etc.
Second Section:

Write down all requirements first and then rules to follow for ChatGPT.

You can copy most of my instructions. Tweak little details about writing style.

* Be to the point. don't write complicated instructions, it messes up.

My instructions are attached in ALT 1. - You are an expert on all subject matters. Provide detailed explanations and be highly organized.  1. Understand my writing style: My writing style is conversational and inspiring and I write in 5-6 grade language. I like clean formatting for my content, by clean I mean headings, subheadings, and bullet points. I use short sentences, (less than 20 words). My main goal is to write easy-to-understand content. I give space after each long sentence to make my content more readable.  2. Do not answer with "As a large language model..." or "As an artificial intelligence..."...
You will see below:

Here're the hotkeys that I will be using so remember the call to action:

/a: for actionable step by step guides
/b: for brainstorming
/c: for content writing

That's the magic. I wrote short description for each agent.

You can make it more detailed.

ALT 👇 6. Summarize key takeaways at the end of detailed explanations.  7. Explore also out-of-the-box ideas. I want you to be creative but also logical. If you speculate or predict something, inform me.  8. If the quality of your response has decreased significantly due to my custom instructions, please explain the issue  9. Here are the hotkeys that I will be using so remember the call to action: /A: for actionable step by step guides /B: for brainstorming /C: for content writing
Copy these Instructions and Paste it in your Custom Instruction panel.

Custom Instructions are MUST. It will save 80% of your time to find out the desired outcome.

1500 characters are a bit less but a step in right direction by OpenAI.

In Future you might see:
1. Attaching PDFs, DOCs or weblinks for more context.

2. AI Agent GitHub files that you can upload to ChatGPT custom instructions.

3. A plugin that can copy your instructions and respond online, in your tone.

Possibilities are endless. I just love being curious & creative.
I hope this post will revolutionize your ChatGPT experience.

If not, wait till I turn Code Interpreter into AutoGPT.

Follow me @cj_zZZz for unique AI perspectives.

I am stepping up my game for 'The AI Startup' Newsletter.

You'll see 10x more value there, next Monday.

Peace
Repost the post to share this Smart Strategy with others.

CJ

I have a HIGH QUALITY Newsletter for you for FREE.

'The AI Startup' Newsletter.

I'll be sharing:

- AI startup case studies
- Smart AI businesses
- Automation niches
- AI Careers

Subscribe here:
aistartup.beehiiv.com/subscribe

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More from @cjzafir

Aug 16, 2025
Introducing Codespace

A virtual computer that runs custom Claude Code on server.

It is using 2 models: Kimi K2 + Claude Sonnet 4 in a sync.

I achieved same code quality with 2x better reasoning and 53% less model cost.

Access it today @CodeGuidedev
(500 credits for everyone)
We fixed some core issues:
1. It works with new and existing codebases and it won’t touch your existing code.

It can scan large codebases, 10M tokens (250,000 lines of code) and remember all core details.

Just attach your GitHub Account and select the repo you want to work on. Image
Image
2. It works autonomously (you don’t need to hit accept all) everytime.

It generates 7 docs to build a solid knowledge base to refer and create detailed tasks/sub-tasks list on autopilot.

Resulting in 88% less hallucinations and better code structure. Image
Read 8 tweets
Aug 14, 2025
Every AI startup is focused on "Build me an ........... app" (New projects)

But what about millions of existing codebases on GitHub with billions of lines of code?

To focus on existing codebases, I built a coding environment: Codespace.

(Explained below)
Simple Steps:
1. Connect your GitHub Account
2. Open Codespace and select the repo you want to work on. (AI agent will make an isolated environment for every request)
3. Let AI agent Analyze, generate docs and tasks list
4. analyze the kanban board to track tasks
5. Go have coffee and wait for the agent to email you when done.
I built a Claude Code wrapper that:
- runs on cloud (access it with phone, or laptop)
- can analyze upto 10M token size codebases
- has better visual UI & flow
- generate docs (knowledge base)
- tasks/sub-task list (2x better than claude)
- notifies me when its done via email
Read 5 tweets
Jun 27, 2025
I built "Clade Tasks" to make Claude Code 10x better and 2x cheaper.

I integrated 3 engines in 1 flow:

1. Claude Code (best agentic coding interface)
2. CodeGuide (to provide deep context to AI)
3. Taskmaster (to create detailed implementation plan)

Here's how it works: ↓
Claude Code is the most powerful AI coding tool right now.

Yes better than Cursor/windsurf.

But Claude 4 (the underlying model) can spit out unnecessary files/code and burn tokens.

Also it's plan mode is good but I found a better alternative: ↓
1. Plan before code

"Build me x, y, z." type prompts don't work because of no technical context.

So turn your idea into a set of well structured docs:
- PRD
- Tech stack doc.
- App flow doc
- UI guidelines
- backend structure
etc

@CodeGuidedev write these docs in only 3 steps Image
Read 7 tweets
Jun 15, 2025
The most important document in AI coding: PRD
(Project Requirements Document)

It serves like a blueprint & explains:
- project's overview
- tech stack
- user flow
- core features
- ui details
- backend schema
- security guidelines
- regulations

Here's how you can create PRDs:
Before you create a PRD, brainstorm with ChatGPT voice.

This step will help you finalize what features you want in your version 1.

In the end ask ChatGPT: "now add all approved features in one document and create a detailed draft)

Now it's time to create a PRD.
I use @CodeGuidedev to create all my coding docs including PRD

It uses 03 + 04-mini + Sonnet 4 model to create extensive set of docs

Flow is simple

Step 1: Open "New Project" and paste the feature draft in the input field

Step 2: Now select AI tools & AI models you'll use
Read 8 tweets
Apr 18, 2025
What are AI Agents?

OpenAI just published 30-page guide on AI agents.

I explained the guide in 10 points. Bookmark this: Image
1. Agents ≠ basic workflows

A normal “workflow” just runs a fixed list of steps with an LLM; it doesn’t think for itself.

On the other hand, Agents are systems that independently accomplish tasks on your behalf.

Workflows are linear. Agents are dynamic & autonomous. Image
2. Use agents for the complex jobs

Agents handle changing rules, tricky choices, and unstructured data better than any fixed script.

Pick jobs that need judgment, change a lot, or rely on messy text, images, or PDFs. Image
Read 12 tweets
Apr 10, 2025
I tested Gemini Pro 2.5 as my main coding model for 40+ hours.

Here're 2 documents that are working brilliantly well with Gemini.

"App flow document + App flowchart."

This made my Cursor workflow 10x better. Here's why it is working: ↓
Gemini Pro 2.5 has a 1 million token context window.

In simple terms it can scan upto 100,000 lines of code instantly to understand full codebase.

Claude & GPT models has 200k context window and that's why they struggle with large codebases.
But large context window doesn't mean Gemini doesn't hallucinate or assume things.

That issue is still there but I'm able to fix hallucinations by 95% in Gemini with my 'Context Boundary' technique.

You need to provide context with coding docs:
- PRD
- App flow doc
- Tech stack doc
etc

But here's how 2 docs are working really good with Gemini.Image
Read 7 tweets

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