Why use XML tags in prompts?

Tags like and clearly separate instructions from your data and examples, which reduces misunderstandings — especially with long inputs. Claude, ChatGPT and Gemini all handle them well.

What is few-shot prompting?

Including one or more examples of an input and the output you want. Examples show the model your expected style and format more reliably than descriptions alone.

Does a higher score guarantee a better answer?

No — the score checks that key ingredients are present, not how good your ideas are. It's a quick way to catch missing context, format or constraints before you hit enter.

No. The builder runs entirely in your browser and nothing you type is sent to a server.

PromptT3 · AI builders

AI Prompt Builder & Prompt Generator

Write clear, structured prompts for ChatGPT, Claude and Gemini — with a quality score.

100% free
No sign-up
Runs in your browser

Build your prompt

Template

Role — who should the AI be?

Task — what exactly should it do?

Context — background, goal, situation

Audience

Input / source material

Wrapped in <input> tags (or triple quotes) so the AI can tell your data from your instructions.

Output format

Tone

Sections / headings

Length

Constraints / rules (one per line)

Examples — few-shot (optional)

Ask it to think step by stepLet it ask clarifying questions first

Prompt quality

95/100

Excellent

Role or expertise defined
Specific task
Background context
Audience named
Source material provided
Output format set
Tone specified
Length specified
Constraints or rules
Example (few-shot)One good example of the output you want is often worth a paragraph of instructions.

A transparent checklist, not an AI judge: each element that AI providers' prompting guides recommend (role, clear task, context, format, examples…) adds fixed points.

Your prompt

prompt · xml

<role>
You are a senior SEO content strategist.
</role>

<context>
We are a small business website competing with bigger publishers. We want an article that is genuinely more useful than what currently ranks.
Audience: Small business owners researching the topic for the first time
</context>

<task>
Create a detailed content brief for a blog post targeting the primary keyword below, so a freelance writer can produce an article that satisfies search intent.
</task>

<input>
Primary keyword: <your keyword>
Market: India
Our product/service: <what you sell>
</input>

<format>
Respond in Markdown with clear headings using these sections: Search intent, Title & meta description, Outline (H2/H3), FAQs, Internal link ideas, Notes for the writer.
Tone: clear and practical.
Length: about 400–600 words.
</format>

<constraints>
- Title under 60 characters
- Meta description under 155 characters
- Don't invent statistics — mark anything that needs a source
</constraints>

145 words · ≈244 tokens (rough estimate)

Works in ChatGPT, Claude, Gemini and Copilot. XML-style tags help models separate instructions from your data. Built in your browser — nothing is sent anywhere.

How it works

How to use PromptT3

Pick a template or start blank, then fill in the role, task, context and audience.

Paste your source material and set the output format, tone, length, rules and examples.

Raise the quality score using the tips, then copy or download the prompt.

About

About this tool

Most disappointing AI answers come from vague prompts. PromptT3 walks you through the pieces that the major AI providers' prompting guides consistently recommend: a role, a specific task, background context, the audience, your source material clearly separated from the instructions, the output format, tone, length, rules and one or two examples of what good looks like.

Your answers are assembled into a prompt with XML-style sections (<role>, <context>, <task>, <format>, <examples>, <constraints>) — a structure that helps models tell instructions from data — or into a plain-text version if you prefer. Optional switches ask the model to reason step by step or to ask clarifying questions before it starts.

A transparent checklist scores the prompt out of 100 and tells you exactly what's missing. Start from 12 ready-made templates for marketing and business work — SEO briefs, Google and Meta ad copy, cold emails, product descriptions, YouTube scripts, social calendars, support replies, meeting summaries, code explanations, data analysis and image prompts.

Frequently asked questions

Free proposal

Want AI working inside your business? We set up assistants, automations and MCP connectors.

No obligation. A real strategist replies within 24 hours.

Keep going

More free tools

All free tools

SkillT3NewTurn your team's know-how into an Agent Skill that Claude and other agents load on demand.MCP BuilderT3NewConnect AI assistants to your tools: pick MCP servers and get the exact config file.T3 AssistantNewAsk one marketing question at a time and get a clear, practical answer.IdeasT3AI12 blog post ideas with angles, keywords and outlines, tailored to your goal.

Done-for-you

Let's put AI to work in your business

Free tools show you the problem. The T3 team fixes it, with a clear plan and pricing up front.

Talk to us Run a free website audit

AI Prompt Builder & Prompt Generator

Build your prompt

Prompt quality

Your prompt

How to use PromptT3

About this tool

Frequently asked questions

Why use XML tags in prompts?

What is few-shot prompting?

Does a higher score guarantee a better answer?

Is my prompt stored?

Want AI working inside your business? We set up assistants, automations and MCP connectors.

More free tools

Let's put AI to work in your business

Build your prompt

Prompt quality

Your prompt