markdownlint
A Node.js style checker and lint tool for Markdown/CommonMark files.
markdownlint-cli2
A fast, flexible, configuration-based command-line interface for linting Markdown/CommonMark files with the `markdownlint` library
@actinc/eslint-config
ACT's preferred configs for TypeScript, Prettier, ESLint, CommitLint, and MarkdownLint.