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MRDown
Read the Markdown your AI just rewrote
MRDown is a macOS-native Markdown editor for a world where AI agents edit your files. When an agent rewrites your Markdown, it shows exactly what changed — as a diff — instead of silently swallowing it. Touch the same lines as the AI and you get a 3-way view: you choose what stays, and the agent's version lands in history as an external rewrite, not the truth. See how a doc changed over time, compare any two files with ⌘⇧D, and pick up where you left off. Free, MIT-licensed, and truly native.
Top comment
Hi Product Hunt 👋 I built MRDown because AI agents kept rewriting my Markdown files — and I had no good way to see what they changed, or to stop them from clobbering edits I'd just made by hand. MRDown is a native macOS Markdown editor built around that problem: See what the AI did, as a diff. When an agent rewrites a file, MRDown shows the change instead of just silently accepting the new content. Don't get overwritten. When you and an agent touch the same lines, you get a 3-way view and choose — the AI's version lands in history as an external rewrite, not as the truth. Diff across time, not just against one file. Compare any two files with ⌘⇧D. Remembers your reading position per document. It's free, MIT-licensed, and macOS-native (not a web wrapper pretending to be an app). Would genuinely love feedback from anyone working alongside coding agents — does seeing the diff change how much you trust them?
About MRDown on Product Hunt
“Read the Markdown your AI just rewrote ”
MRDown was submitted on Product Hunt and earned 0 upvotes and 4 comments, placing #46 on the daily leaderboard. MRDown is a macOS-native Markdown editor for a world where AI agents edit your files. When an agent rewrites your Markdown, it shows exactly what changed — as a diff — instead of silently swallowing it. Touch the same lines as the AI and you get a 3-way view: you choose what stays, and the agent's version lands in history as an external rewrite, not the truth. See how a doc changed over time, compare any two files with ⌘⇧D, and pick up where you left off. Free, MIT-licensed, and truly native.
On the analytics side, MRDown competes within Mac, Open Source and Developer Tools — topics that collectively have 688.1k followers on Product Hunt. The dashboard above tracks how MRDown performed against the three products that launched closest to it on the same day.
Who hunted MRDown?
MRDown was hunted by TABATA,Hitoshi. 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 MRDown including community comment highlights and product details, visit the product overview.