Jonathan Gardner
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Open Soruce

A collection of 2 posts
Two distinct platforms connected by a bridge under construction. One side represents AI tooling, the other document formatting. Flat technical illustration.
AI Development Tools

What I Learned Building a Document Format from Scratch

I started thinking the hard problem was document parsing. Then format design. Then sync logic. The real challenge was building at the interface between two domains that don't talk to each other.
07 Apr 2026 9 min read
A document separating into layered components: clean text on top, structural mapping in the middle, and formatting metadata on the bottom. Flat technical illustration.
AI Development Tools Featured

The Design Decisions Behind an AI-Native Document Format

Processing a Word document through raw OOXML costs 359,706 prompt tokens. Clean markdown costs 106. Five design decisions that make that gap useful without losing formatting.
31 Mar 2026 9 min read
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