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Custom Instructions Design

Set "system instructions" once in your account = every chat starts from your context automatically.

20 min Intermediate

Goal

Eliminate retyping "I'm X, work at Y, prefer Z" in every chat.

Steps

1

In account settings (ChatGPT / Claude / Gemini), find "Custom Instructions" / "System Prompt".

4 more steps locked

Expected Outcome

Immediate

First reply in every new chat addresses you directly with context.

Evidence base

School: System Prompting / LLM Personalization

Founders: Anthropic · OpenAI · Ethan Mollick (2023)

Anthropic & OpenAI guides confirm system instructions outweigh user. Mollick recommends as first step for serious users.

Frequently asked questions

How long does "Custom Instructions Design" take?

This exercise takes about 20 minutes, practiced solo in a Action format.

When will I notice the effect of "Custom Instructions Design"?

First reply in every new chat addresses you directly with context. In the short term: You save 1-2 min at start of every chat (hours weekly).

Is "Custom Instructions Design" evidence-based?

Yes — it draws on System Prompting / LLM Personalization (Anthropic, OpenAI, Ethan Mollick (2023)). Anthropic & OpenAI guides confirm system instructions outweigh user. Mollick recommends as first step for serious users.

Is "Custom Instructions Design" suitable for beginners?

Its difficulty level is: Intermediate. No external tools required — it can be practiced directly inside the app.

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