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Generate AI System Prompts for LLMs with Unli.dev

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Created by: Khairul Muhtadin || khmuhtadin

Khairul Muhtadin

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Last update 2 days ago

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System Prompt Generator Using Unli.dev turns human input ideas into a polished, repeatable system prompt blueprint.

It uses an n8n webhook, a small Set/Prepare pipeline, and Unli.dev's chat completions to generate single-turn, comprehensive system prompts that include:

  • persona
  • mission
  • rules
  • output format
  • designer notes

so your team spends less time arguing about wording and more time shipping features (and you get consistent LLM behavior across apps).

💡 Why Use System Prompt Generator Using Unli.dev?

  • Fix the pain of inconsistency
  • Improve outcomes measurably
  • Competitive advantage: Standardize your AI behavior with enforceable rules and templates so your product's voice and constraints stay consistent across teams — like an AI style guide that never takes a coffee break.

⚡ Perfect For

  • Prompt Engineers: Systematize prompt design and handoffs.
  • Product Managers: Lock down expected AI behaviors before launch.
  • Developers & AI Ops: Automate prompt generation for testing and deployments.

🔧 How It Works

  1. ⏱ Trigger: Incoming HTTP POST to the webhook path systempromptgenerator kicks everything off.
  2. 📎 Process: Webhook → Set Prompt/Model (map incoming fields) → Prepare API Body (compose messages) → Unli.Dev (Chat Completions) → Extract Answer → Respond to Webhook.
  3. 🤖 Smart Logic: Unli.dev (chat completions) runs a single-turn generation using the embedded system-template that builds persona, operational protocol, rules, output format, and designer notes automatically.
  4. 💌 Output: The generated system prompt (with Designer's Notes) is returned in the webhook response for immediate use in your app or CI pipeline.

⚠️ Security Note: You'll want to swap in your Unli.dev API key under the HTTP header auth credential—don't share it in Slack. Seriously.

🧩 Requirements

  • Active n8n instances
  • Unli.dev API key / account
  • HTTP Header Auth credential configured in n8n
  • Optional: Postman or curl for testing

🛠️ Level Up Ideas

  • Add a lightweight front-end form to let non-technical PMs generate prompts and preview outputs
  • Add validation rules or automated tests that run generated system prompts against sample user queries to catch unwanted behavior early

Made by: Khaisa Studio
Category: system-prompt, unli.dev

Need custom work? Contact me!