Markdown Structure Validation
Enforce consistent markdown structure across all vault content.
When to Use This Skill
Activate when you need to:
- Create new markdown documents
- Validate document structure
- Fix structural issues
- Ensure consistent formatting
Core Structure Rules
1. Frontmatter Positioning
Single YAML block at top, blank line after:
markdown✅ CORRECT: --- title: Document Title created: 2025-10-31 tags: - tag1 --- ## First Section Header Content starts here... ❌ INCORRECT: --- title: Document Title --- ## First Section (no blank line) ❌ INCORRECT: ## Title --- frontmatter: here --- (frontmatter not at top)
Critical Rules:
- One YAML block only
- Must be first thing in file
- Blank line after closing
--- - No content before first heading
Note: This skill validates frontmatter POSITION (where it goes in the document). For frontmatter CONTENT (properties, values, formatting), use
obsidian-yaml-frontmatterskill.
2. Heading Hierarchy
Start with H2, no H1 duplication:
markdown✅ CORRECT: --- title: Document Title --- ## Introduction Content... ### Subsection Content... ❌ INCORRECT: # Document Title (duplicates frontmatter title) ## Section
Hierarchy Rules:
- Use H2 (
##) for main sections - Use H3 (
###) for subsections - Use H4 (
####) sparingly - Don't skip levels (H2 → H4)
3. Content Organization
Summary-first structure:
markdown✅ CORRECT: --- frontmatter --- ## Summary Overview of key points... ## Main Content Detailed content... ## Related Topics Links and connections... ❌ INCORRECT: --- frontmatter --- This is content without a heading. ## First Section
4. Quote Block Formatting
Blockquotes with attribution:
markdown✅ CORRECT: > "Quote text here" - Speaker/Context > "Knowledge is power, but enthusiasm pulls the switch." > - Ivern Ball ❌ INCORRECT: "Quote text" (not in blockquote) > Quote without attribution
Structure Validation Workflow
Step 1: Check Frontmatter
markdownVerify: - [ ] Single YAML block at top - [ ] Blank line after closing --- - [ ] All required properties present - [ ] Consistent property names
Step 2: Check Heading Hierarchy
markdownVerify: - [ ] No H1 after frontmatter (except special cases) - [ ] Main sections use H2 - [ ] Subsections use H3 - [ ] No skipped levels - [ ] Logical organization
Step 3: Check Content Organization
markdownVerify: - [ ] No content before first heading - [ ] Summary/overview section first - [ ] Sections follow logical order - [ ] Proper quote formatting
Step 4: Content-Type Specific
markdownCheck content follows appropriate template structure: - [ ] Journal: H1 title, standard sections - [ ] Roundup: Opening quote(s), structured headers - [ ] Events: Executive Summary, Key Takeaways, Next Actions - [ ] Clippings: Summary first, then detailed sections
Quality Checklist
Before completing structure validation:
- Single YAML frontmatter at top
- Blank line after frontmatter
- No content before first heading
- Heading hierarchy correct (H2 → H3 → H4)
- Quote blocks properly formatted
- Summary/overview section present
- Sections in logical order
- Template structure followed for content type


