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Build a custom desktop invoicing app with zero coding using Qwen and Open Code

With virtually no programming background, a user connected a local Qwen model to Open Code and leveraged an AI agent to build a desktop invoicing app from scratch. They successfully imported over 5 years of historical documents, eliminating an annual subscription fee of $100.

Reddit r/LocalLLaMA/u/sammyranks
QwenOpen CodeLM Studio

Added 2026-11-03 · originally published 2026-11-02


Steps

  1. 1Prepare a PC equipped with hardware like an RTX 5090 and install LM Studio to run the Qwen model (keep Thinking enabled).
  2. 2Install Open Code (using default settings) and connect the local Qwen model to Open Code.
  3. 3During development, mainly take screenshots and describe your requirements to the model, letting Open Code's coding agent handle coding, bug fixes, and web searches.
  4. 4Have the model create in-app tools to import historical documents and information spanning over 5 years.

Ideas for Chinese platforms

You can apply this approach—driving AI agents to write code through screenshots and natural language—to developing automated operations tools for platforms like Xiaohongshu or WeChat Official Accounts, creating custom data scraping or formatting utilities.

Copy-ready prompt
I need to develop a [desktop invoicing app], please help me write the code. My requirements are: [the app needs to support importing historical documents and information, and feature automatic invoicing]. Please generate the code based on these requirements and help me handle subsequent bug fixes.
#AI Agent#Local LLM#App Development#Qwen
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Last updated 2026-11-03 07:12 (Beijing time)