Library/AI-Era / Emerging Sales Work/AI Tool Operations/Write a System Prompt for a Personal AI Sales Assistant
TestedAI-Era / Emerging Sales WorkQuick Win (under 10 min)

Write a System Prompt for a Personal AI Sales Assistant

Generate a comprehensive system prompt to configure a Claude Project or Custom GPT as a context-aware sales assistant

About this prompt

This prompt produces a complete system prompt you can paste into a Claude Project or ChatGPT Custom GPT to create a personalized AI assistant that knows your company, your buyers, and your communication preferences. It covers role definition, company context, buyer personas, tone and style, competitors, off-limits guardrails, and output formatting. Use it when setting up an AI assistant for the first time, or when the generic AI tool responses feel too generic for your specific selling motion.Generic AI tools give generic output because they have no context about your company, your buyers, or how you sell. This prompt generates a structured system prompt across seven sections — role, company context, buyer personas, tone and style, competitive positioning, guardrails, and output preferences — that you paste once into a Claude Project or Custom GPT to configure a personal sales assistant. Fill in [YOUR COMPANY] with your company name and product description, [TITLE 1], [TITLE 2], and [TITLE 3] with the buyer personas you most commonly sell to, and [LIST] with the competitors you're most frequently compared against. Paste supporting detail into [PASTE YOUR COMPANY INFO, PERSONAS, AND PREFERENCES] to give the AI sufficient context to produce tailored output. This is a setup prompt — you run it once and use the output as the foundation for all subsequent AI interactions. For best results, include real language your buyers use when they describe their problems, not the language your marketing team uses to describe your solution.

The prompt

I want to build a personal AI sales assistant that knows everything about my company, my buyers, and my deals. Write a comprehensive system prompt I can use as the foundation for a Claude Project or C
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Variables to replace

YOUR COMPANY|TITLE 1|TITLE 2|TITLE 3|LIST|PASTE YOUR COMPANY INFO, PERSONAS, AND PREFERENCES

How to run it

  1. Copy the prompt and paste it into Claude, ChatGPT, Gemini, or Copilot — it's tuned to run in any of them.
  2. Replace the variables — swap each bracketed token for your deal's specifics. The variables list above explains every field.
  3. Make it yours — run it, keep what's strong, and tighten your inputs on the next pass. The prompt improves with your context.

What good output looks like

Make it yours

StageOngoing/Cross-Stage
SeatAE, SDR, Inside Sales
DifficultyAdvanced
Time to valueQuick Win (under 10 min)
Works withClaude
CategoryAI-Era / Emerging Sales Work
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