Phoenix - Your AI AssistantSystem Prompt Design for AI Chatbot or Custom GPT Assistant
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4 days
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What you get with this Offer
I will write a comprehensive, production-ready system prompt for your AI chatbot, Custom GPT, or LLM-powered assistant — defining its persona, knowledge boundaries, behavioural rules, response style, tone, escalation logic, and output formatting so it behaves consistently and professionally across every conversation. A poorly written system prompt is the most common reason AI assistants go off-brand, hallucinate confidently, give inconsistent answers, or fail to handle edge cases — and it is entirely fixable with the right prompt architecture.
The system prompt will be structured in layers: identity and role definition, knowledge scope and limitations, behavioural rules and guardrails, response format instructions, handling of out-of-scope questions, tone and style guidelines, and example input-output demonstrations embedded as few-shot examples where appropriate. I'll also provide a secondary testing prompt set you can use to stress-test the assistant's behaviour against common edge cases before deploying it to users.
This service is essential for anyone building a customer-facing AI assistant, internal knowledge bot, sales qualifier, onboarding guide, or any LLM-powered tool where consistent, on-brand behaviour is non-negotiable.
The system prompt will be structured in layers: identity and role definition, knowledge scope and limitations, behavioural rules and guardrails, response format instructions, handling of out-of-scope questions, tone and style guidelines, and example input-output demonstrations embedded as few-shot examples where appropriate. I'll also provide a secondary testing prompt set you can use to stress-test the assistant's behaviour against common edge cases before deploying it to users.
This service is essential for anyone building a customer-facing AI assistant, internal knowledge bot, sales qualifier, onboarding guide, or any LLM-powered tool where consistent, on-brand behaviour is non-negotiable.
What the Freelancer needs to start the work
Please describe your assistant's intended purpose, target audience, the platform it runs on (ChatGPT Custom GPT, website chatbot, Slack bot, etc.), your brand tone and voice guidelines, topics it should and should not discuss, and any example conversations illustrating ideal behaviour.