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DocMason
AI agent for deep research over your private office files.
DocMason is a repo-native agent that turns your complex office files into a local LLM knowledge base and your second brain. The repo is the app. Codex is the runtime. It cross-references your slides, buried tables, and multimodal elements like flowcharts or architecture diagrams. Instantly spot contradictions or connect dots across files. You get verifiable answers with exact source citations. Zero coding required. Turn your scattered working office files into a connected knowledge base today.
Hi Product Hunt! 👋 I'm Jet, the maker of DocMason.
As an IT Architect, I swim in complex office documents every day — decks, spreadsheets, legal PDFs, architecture diagrams from every team. Normal LLM chat windows completely fail here: they flatten everything, lose structure, and forget context the moment you close the tab. So I started building DocMason a few weeks ago to solve my own problem. I now use it every single day.
Then Andrej Karpathy posted about "LLM Knowledge Bases" — and it perfectly validated the direction. Here's the thing: most ChatGPT Plus users are sitting on powerful, unused Codex capacity simply because they don't write code. DocMason turns that idle capacity into something genuinely useful for office work.
The paradigm I'm exploring: The repo is the app. Codex is the runtime.
DocMason takes Karpathy's concept further for real-world use:
• Handles messy office files — .pptx, .docx, .xlsx, .eml — and truly extracts multimodal content like IT architecture diagrams and complex spreadsheets
• Runs as a real app, not naive RAG — auto-prepares environment, auto-syncs knowledge base incrementally
• Fully agent-native — runs inside Codex or Claude Code, giving your documents the same autonomous treatment engineers give codebases
It's fully open-source and runs locally (your files never leave your machine).
Check the demo video & architecture diagram in the GitHub Readme and give it a try!
What type of office file breaks your current AI workflow the most? 👇
About DocMason on Product Hunt
“AI agent for deep research over your private office files.”
DocMason was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #153 on the daily leaderboard. DocMason is a repo-native agent that turns your complex office files into a local LLM knowledge base and your second brain. The repo is the app. Codex is the runtime. It cross-references your slides, buried tables, and multimodal elements like flowcharts or architecture diagrams. Instantly spot contradictions or connect dots across files. You get verifiable answers with exact source citations. Zero coding required. Turn your scattered working office files into a connected knowledge base today.
On the analytics side, DocMason competes within Productivity, Artificial Intelligence, GitHub and Virtual Assistants — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how DocMason performed against the three products that launched closest to it on the same day.
Who hunted DocMason?
DocMason was hunted by Jet Xu. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of DocMason including community comment highlights and product details, visit the product overview.
Jet Xu