Task prompt · Agents & Automation
Write a system prompt for a custom assistant
by Agent Yard TeamClear instructions for a custom GPT or Gem.
You'll attach
Text only
Works with
ChatGPT
Claude
Gemini
Grok
CopilotGrok BotUse cases
- Clear instructions for a custom GPT or Gem.
- Reuse it as often as you like: fill in the blanks (role; audience) with new details and copy again.
- As one step of the Automate your work with AI prompt pack.
Featured in: Best ChatGPT prompts for AI agents and automation, Best AI prompts for writing system prompts and agent instructions.
How to use it
- Open chatgpt.com or claude.ai (or another AI listed here).
- Fill in the highlighted blanks ([ROLE], [AUDIENCE]) below, or edit them after pasting.
- Copy the prompt, paste it into the chat and send.
Fill in the blanks (optional)
Prompt
Write a system prompt for an assistant that [ROLE] for [AUDIENCE]: goals, tone, what to ask first, format rules, what to refuse, and 3 example exchanges.
One email a week
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