Thredded Plugin: TeX math in Markdown via KaTex Build Status Test Coverage Code Climate

A Thredded markdown plugin that renders TeX math server-side via KaTeX.

This is what it looks like:



Add this line to your application's Gemfile:

gem 'thredded-markdown_katex'

And then execute:

rails g thredded:markdown_katex:install


Wrap math in $$.

See the Kramdown Math documentation for more information.


After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to


Bug reports and pull requests are welcome on GitHub at

This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


The gem is available as open source under the terms of the MIT License.