Building a local WYSIWYG MDX editor with semantic writing tools on top

ColleenMBrady · x · 2026-09-29

Maggie Appleton built the WYSIWYG editor she always wanted for her website: it runs locally and saves changes directly to MDX files.

The more interesting part is the semantic writing layer on top — color-coded sentence classification, flagging cliches, repetition, and claims that need citations, embedding AI semantic analysis into a personal writing workflow.

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