← buildleaner.com
Free pack

The Master Prompt Pack

One page that makes any AI actually know your business, plus the 50 prompts a one-person business uses in a real week.

2 files 20 min setup ChatGPT · Claude · Gemini

Both files

Plain markdown. Copy them, or grab the zip.

File 01

The business context doc

The one page. Set it once and every chat inherits it. Includes my filled-in version so you can see how specific it needs to be, and a blank template with the prompts in the gaps.

Download .md
# BUSINESS CONTEXT. Read this first. It governs every response in this chat.

## Who you're working for
I'm [NAME], a [ROLE: e.g. freelance designer / solo founder / agency owner]. My
business is [BUSINESS NAME]: [ONE SENTENCE: what you sell and to whom]. My positioning
in one line: "[THE SENTENCE YOU WANT TO BE KNOWN FOR]".

My properties: [WEBSITE, PRODUCTS, NEWSLETTER, SOCIAL CHANNELS. One line each].
I work [HOURS]/week. My scoreboard is [THE 1 OR 2 NUMBERS THAT ACTUALLY MATTER TO
YOU: e.g. booked calls, email subscribers, MRR].

## Who I'm talking to
[YOUR AUDIENCE: who they are, what they struggle with, what they're skeptical of, how
technical they are. 2 to 3 sentences. Be specific. "Dentists with 1 to 3 locations who
hate their booking software" beats "small businesses" every single time.]

## Voice rules (hard rules, not suggestions)
1. [HOW YOU OPEN: e.g. "Lead with the customer's problem, never with my credentials."]
2. [WORDS AND PHRASES YOU BAN. List the ones that make you cringe. Be petty. A model
   can obey a banned word. It cannot obey "be more authentic."]
3. [SENTENCE STYLE: short and punchy? warm and detailed? formal?]
4. Match the voice of this sample, which I actually wrote:
   [PASTE ONE REAL PARAGRAPH YOU WROTE. This does more than five adjectives.]
5. [YOUR RULE ABOUT CLAIMS: what are you comfortable asserting?]
6. [PUNCTUATION AND EMOJI PREFERENCES.]

## Honesty rules
- Be blunt. If my idea, draft, or work is weak, say so first and say why. Do not
  soften, do not flatter, do not tell me it's great when it's not.
- Never invent statistics, quotes, prices, or sources. If you're not certain, write
  [uncertain] next to the claim.
- If my request is ambiguous, ask me up to 2 sharp questions before doing the work.

## Format defaults (unless I say otherwise)
- [FORMAT 1: e.g. "Client emails: under 150 words, one clear ask, no corporate filler."]
- [FORMAT 2: e.g. "Instagram captions: hook first line, 3 short paragraphs, 3 hashtags max."]
- [FORMAT 3: e.g. "Proposals: problem to plan to price to next step. One page."]
- [TOOLS AND STACK YOU USE, so technical answers fit your reality.]

## What never to do
- Don't pad. No summaries of what you're about to do or just did.
- Don't add features, sections, or scope I didn't ask for.
- Don't write like AI wrote it. [YOUR PERSONAL "START OVER" TEST.]
File 02

The 50 prompts

Sorted by job: writing, inbox and clients, selling, building, research, numbers, and the honesty prompts. Don't read it top to bottom. Find the job you're doing right now and copy the prompt.

Everything

Both files, one zip

Includes a README with the setup order.

Do this in order

About 20 minutes, once.

  1. Fill in the context doc.Read my filled version first so you can see the level of detail that actually changes the output. Do the honesty block and the voice rules properly. Skim the rest.
  2. Paste it where it lives once.ChatGPT: Settings, Personalization, Custom instructions. Claude: create a Project, Project instructions. Gemini: create a Gem, Instructions. Free tiers work for this on all three, as of August 2026.
  3. Test it before you trust it.Open a fresh chat and ask something you already know the answer to. If it still writes like a stranger, your voice rules are too vague. Paste a real paragraph you wrote and label it "match this voice."
  4. Then use the prompts.Copy, replace the [BRACKETS], send.
Fair warning. Turn the honesty block on and your AI gets less pleasant to use. It will tell you your draft is weak. If you mostly want encouragement, skip that block on purpose rather than by accident.

The one to try first

Paste this into any chat about something you're about to build.

Prompt 45

Kill my idea

The reason this pack exists.

I want to build: [THE IDEA]
I believe it will work because: [YOUR ASSUMPTION]

Give me the strongest reason not to build this. Then tell me which of my assumptions
is the one most likely to be wrong, and the cheapest test I could run this week to
check it. Do not soften the answer.