https://marketplace.visualstudio.com/items?itemName=DavidAnson.vscode-markdownlint

Rules

• MD001 heading-increment - Heading levels should only increment by one level at a time
• MD003 heading-style - Heading style
• MD004 ul-style - Unordered list style
• MD005 list-indent - Inconsistent indentation for list items at the same level
• MD007 ul-indent - Unordered list indentation
• MD009 no-trailing-spaces - Trailing spaces
• MD010 no-hard-tabs - Hard tabs
• MD011 no-reversed-links - Reversed link syntax
• MD012 no-multiple-blanks - Multiple consecutive blank lines
• MD013 line-length - Line length
• MD014 commands-show-output - Dollar signs used before commands without showing output
• MD018 no-missing-space-atx - No space after hash on atx style heading
• MD019 no-multiple-space-atx - Multiple spaces after hash on atx style heading
• MD020 no-missing-space-closed-atx - No space inside hashes on closed atx style heading
• MD021 no-multiple-space-closed-atx - Multiple spaces inside hashes on closed atx style heading
• MD022 blanks-around-headings - Headings should be surrounded by blank lines
• MD023 heading-start-left - Headings must start at the beginning of the line
• MD024 no-duplicate-heading - Multiple headings with the same content
• MD025 single-title/single-h1 - Multiple top level headings in the same document
• MD026 no-trailing-punctuation - Trailing punctuation in heading
• MD027 no-multiple-space-blockquote - Multiple spaces after blockquote symbol
• MD028 no-blanks-blockquote - Blank line inside blockquote
• MD029 ol-prefix - Ordered list item prefix
• MD030 list-marker-space - Spaces after list markers
• MD031 blanks-around-fences - Fenced code blocks should be surrounded by blank lines
• MD032 blanks-around-lists - Lists should be surrounded by blank lines
• MD033 no-inline-html - Inline HTML
• MD034 no-bare-urls - Bare URL used
• MD035 hr-style - Horizontal rule style
• MD036 no-emphasis-as-heading - Emphasis used instead of a heading
• MD037 no-space-in-emphasis - Spaces inside emphasis markers
• MD038 no-space-in-code - Spaces inside code span elements
• MD039 no-space-in-links - Spaces inside link text
• MD040 fenced-code-language - Fenced code blocks should have a language specified
• MD041 first-line-heading/first-line-h1 - First line in file should be a top level heading
• MD042 no-empty-links - No empty links
• MD043 required-headings - Required heading structure
• MD044 proper-names - Proper names should have the correct capitalization
• MD045 no-alt-text - Images should have alternate text (alt text)
• MD046 code-block-style - Code block style
• MD047 single-trailing-newline - Files should end with a single newline character
• MD048 code-fence-style - Code fence style
• MD049 emphasis-style - Emphasis style should be consistent
• MD050 strong-style - Strong style should be consistent
• MD051 link-fragments - Link fragments should be valid
• MD052 reference-links-images - Reference links and images should use a label that is defined
• MD053 link-image-reference-definitions - Link and image reference definitions should be needed
• MD054 link-image-style - Link and image style
• MD055 table-pipe-style - Table pipe style
• MD056 table-column-count - Table column count
• MD058 blanks-around-tables - Tables should be surrounded by blank lines
• MD059 descriptive-link-text - Link text should be descriptive

See markdownlint's Rules.md file for more details.

The following rules can be automatically fixed by moving the cursor to a rule violation (wavy underlined text) and typing Ctrl+./Ctrl+./⌘. or clicking the light bulb icon.

• MD004 ul-style
• MD005 list-indent
• MD007 ul-indent
• MD009 no-trailing-spaces
• MD010 no-hard-tabs
• MD011 no-reversed-links
• MD012 no-multiple-blanks
• MD014 commands-show-output
• MD018 no-missing-space-atx
• MD019 no-multiple-space-atx
• MD020 no-missing-space-closed-atx
• MD021 no-multiple-space-closed-atx
• MD022 blanks-around-headings
• MD023 heading-start-left
• MD026 no-trailing-punctuation
• MD027 no-multiple-space-blockquote
• MD030 list-marker-space
• MD031 blanks-around-fences
• MD032 blanks-around-lists
• MD034 no-bare-urls
• MD037 no-space-in-emphasis
• MD038 no-space-in-code
• MD039 no-space-in-links
• MD044 proper-names
• MD047 single-trailing-newline
• MD049 emphasis-style
• MD050 strong-style
• MD051 link-fragments
• MD053 link-image-reference-definitions
• MD054 link-image-style
• MD058 blanks-around-tables