markdownlint-cli2 Markdown Linting for Docs and Repos

This skill uses markdownlint-cli2 to enforce consistent Markdown quality across docs, READMEs, and content repositories. It is built for local authoring, pull-request checks, and CI enforcement with rule-based output.

Installation

Use the upstream install or setup path that matches your environment:

• npm install markdownlint-cli2 --global
• npm install markdownlint-cli2 --save-dev
• docker pull davidanson/markdownlint-cli2
• brew install markdownlint-cli2

Requirements and caveats from upstream:

• As a development dependency of the current [Node.js][nodejs] package:
• As a [Docker][docker] container image:
• [CommonMark][commonmark] files on [Node.js][nodejs] using the

Basic usage or getting-started notes:

• As a global CLI:

• bash

• As a global CLI with [Homebrew][homebrew]:

• Source: https://github.com/DavidAnson/markdownlint-cli2

• Extracted from upstream docs: https://raw.githubusercontent.com/DavidAnson/markdownlint-cli2/HEAD/README.md

Source

• Agent Skill Exchange