this post was submitted on 01 Jul 2026
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Programming

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Show Lemmy: DWN.BRIDGE โ€“ Open-source Zero-Knowledge Gemini agent bridge for local database and file analysis (www.dwnbridge.org)
submitted 13 hours ago by MarckDWN@programming.dev to c/programming@programming.dev
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Hey programmers,

I wanted to share a desktop client I've been building: DWN.BRIDGE (fully open-source C# WPF).

I love using AI for data analysis (like cleaning CSVs or querying databases), but there was no way I was going to upload my private/corporate files to cloud LLMs.

So I built a Zero-Knowledge local bridge:

  • When you point the client to a local database (SQL Server, SQLite, Excel, CSV), the client extracts ONLY the table schemas/headers locally.
  • It sends the schema metadata to the LLM (Gemini web UI) via a secure browser-automation bridge.
  • The LLM writes the SQL query, and the client executes it locally on your computer. Your raw rows and records never leave your hard drive.
  • All local file system access and system commands run locally and require explicit pop-up confirmation.

You can check out the source code or download the installer below. I'd love to get feedback on the local sandboxing model! watch the demo videos I uploaded on my youtube channel (links on github)

๐Ÿ”— GitHub: https://github.com/MarckDWN/DWN.BRIDGE

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