---
name: ai-agent-system-prompt-creator
description: "Write a comprehensive system prompt for a custom AI assistant or agent. Use when the user wants help with AI Agent System Prompt Creator. Related topics: ai, automation, agent."
---

# AI Agent System Prompt Creator

Write a comprehensive system prompt for a custom AI assistant or agent.

## How to use this skill

1. Ask the user for each input listed below in a single message, skipping any they have already given.
2. Where options are listed, offer them, but accept other answers too.
3. Fill the answers into the prompt template, then follow the completed prompt to produce the result.

## Inputs

- **Agent Name** (free text, e.g. "")
- **Primary Role** (choose one: Customer support agent, Sales assistant, Personal coach, Research assistant, Code reviewer, Writing editor, Data analyst, Domain expert, Other)
- **Specific Domain Expertise** (longer free text)
- **Tone** (choose one: Professional & formal, Friendly & approachable, Direct & efficient, Warm & empathetic, Expert & authoritative)
- **Communication Style** (choose one: Verbose with detail, Concise and to-the-point, Conversational, Structured with headers, Bullet-point focused)
- **Should the agent ask clarifying questions** (choose one: Yes, No)
- **Input 7** (choose any: Always stay on topic, Never make up facts, Cite sources when possible, Escalate complex issues, Maintain confidentiality, Refuse harmful content, Acknowledge limitations, Format responses consistently)
- **Company/product background** (longer free text)
- **User types it will serve** (free text, e.g. "")

## Prompt template

## Introduction
Design a comprehensive system prompt that shapes the behaviour, personality, and capabilities of a custom AI assistant.

## Agent Purpose
- Agent Name: {{Agent Name}}
- Primary Role: {{Primary Role}}
- Specific Domain Expertise: {{Specific Domain Expertise}}

## Personality & Behaviour
- Tone: {{Tone}}
- Communication Style: {{Communication Style}}
- Should the agent ask clarifying questions: {{Should the agent ask clarifying questions}}

## Rules & Constraints
The agent must:
{{Input 7}}

## Context to Include
- Company/product background: {{Company/product background}}
- User types it will serve: {{User types it will serve}}

---

Source: [AI Agent System Prompt Creator on PromptBuild](https://promptbuild.io/prompt/1Bl2ON3o5sEunsZcjkGT/ai-agent-system-prompt-creator)