Guide · 12 prompts
Best AI prompts for writing system prompts and agent instructions
These work across several AIs; each card shows which. Open any prompt for the full text, fill-in blanks and step-by-step instructions.
This guide is presented by your brandSponsored · open- 1 · Agents & Automation Write instructions for a custom GPT, Gem or Project
System instructions that make a custom assistant reliable. - 2 · Agents & Automation Turn a repeated chat into a reusable prompt
Make your best one-off conversation repeatable. - 3 · Agents & Automation Write a prompt for an AI agent to do research
Give an agent a clear mission so it doesn't wander. - 4 · Agents & Automation · attach file Write a system prompt for a support chatbot
A chatbot prompt grounded in your help docs. - 5 · Agents & Automation Write a prompt for Claude Code or Codex to build a feature
Agent instructions that produce a clean, tested PR. - 6 · Agents & Automation Write an AGENTS.md or CLAUDE.md for my repo
Project rules that coding agents follow every time. - 7 · Agents & Automation Write evaluation tests for my AI prompt
Make sure your prompt works before you rely on it. - 8 · Agents & Automation Write a prompt that resists prompt injection
Safer prompts for bots that read untrusted text. - 9 · Agents & Automation Write a daily briefing prompt for an AI assistant
A morning summary of what matters, every day. - 10 · Agents & Automation · attach file Turn a process document into an agent prompt
Convert an SOP into instructions an AI can follow. - 11 · Agents & Automation Build a personal AI research agent prompt
A reusable system prompt that makes your AI research carefully and cite sources. - 12 · Agents & Automation Write a system prompt for a custom assistant
Clear instructions for a custom GPT or Gem.