May 17, 2026
Lint wars: the markdown edition
Mado: Fast Markdown linter written in Rust
This new writing checker is insanely fast, but the comments instantly asked: do we need another one
TLDR: Mado is a new tool for checking Markdown files that claims eye-popping speed gains over older options. But instead of simple applause, the community immediately asked the messy question that always starts drama online: is it truly better, or just another very fast clone?
A new tool called Mado just arrived promising to scan Markdown files — the plain-text format people use for docs, notes, and readme files — at wildly faster speeds than older options. The project says it can be around 49 to 60 times quicker than familiar rivals, which is the kind of claim that usually makes speed-obsessed coders cheer, download first, and ask questions later. It also works across major systems and plugs into GitHub, which means it’s clearly trying to become the new no-fuss choice for people who maintain lots of documentation.
But the real action was in the reaction thread, where the first big response was basically: "Cool story, but how is this different from the other Rust one?" That came from commenter nikolay, who immediately name-dropped rumdl and turned a victory lap into a mini showdown. In classic internet fashion, the shiny launch was instantly recast as a sequel: not "wow, fast!" but "wait, haven’t we seen this franchise already?"
That one comment carries the whole mood: excitement mixed with side-eye. The unspoken hot take is that being fast is no longer enough — especially in Rust land, where every week seems to bring another lightning-fast replacement for something slower. The joke practically writes itself: humanity has invented yet another absurdly fast way to tell you your bullet points are misaligned. So yes, Mado dropped with impressive numbers, but the crowd’s first instinct was pure community drama: is this a breakthrough, or just another speedrun in the endless race to lint text faster than anyone asked for?
Key Points
- •Mado is a Markdown linter written in Rust and described as compatible with CommonMark and GitHub Flavored Markdown.
- •The article claims Mado is approximately 49–60x faster than existing linters based on a benchmark over about 1,500 Markdown files.
- •The benchmark reports 0.129 seconds for Mado versus 6.381 seconds for markdownlint-cli, 6.609 seconds for markdownlint, and 7.817 seconds for markdownlint-cli2.
- •Mado can be installed through Homebrew, Nix, pacman on Arch Linux, Scoop, WinGet, or via pre-built binaries.
- •The tool supports most markdownlint rules, provides configuration through mado.toml files, and includes GitHub Actions compatibility and development workflows for testing, benchmarking, profiling, and fuzzing.