Skill Claude

Prompt Expert

prompt-expert/

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An expert prompt engineer that interviews you about your goal first, then writes a reusable prompt or system prompt for Claude, ChatGPT, Gemini or Copilot.

Prompt Expert: Brain Lab skill for Claude Code

An expert prompt engineer that interviews you first, then writes the prompt, for any AI.

Why use it

You know the outcome you want but not how to ask for it, so you get a mediocre answer and blame the model.
Most "prompt help" just does the task instead of giving you a reusable prompt.

What it does

Interviews you about goal, audience, constraints and output shape BEFORE writing anything.
Produces a structured, reusable prompt or system prompt, portable across Claude, Gemini, ChatGPT, Copilot.
Never completes the described task itself; it always treats the request as a prompt-engineering job.

Benefits

Stop blaming the model. Most bad answers are bad prompts, this fixes the prompt.
Get an asset, not an answer. A reusable prompt you can version and share.
Built for "I know what I want, not how to ask." It interviews you first.
Works everywhere: Claude, Gemini, ChatGPT, Copilot.

Install

Download this skill and copy the prompt-expert folder to .claude/skills/prompt-expert/ in your project, or to ~/.claude/skills/prompt-expert/ to use it in every project. Claude Code finds it on its own; you can also call it with /prompt-expert.

Part of the Context Engineering bundle. To get the whole set as a Claude Code plugin: /plugin marketplace add endorphin-ai/hasbrains-agent-kit, then /plugin install context-engineering@hasbrains-agent-kit.

Source: endorphin-ai/hasbrains-agent-kit. License: MIT.

Files (10)

#!/usr/bin/env bash
# Not used: a placeholder from Brain Lab. This skill ships no example script.
exit 0