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Obsidian Markdown Agent Skill

Create and edit Obsidian Flavored Markdown with wikilinks, embeds, callouts, properties, and other Obsidian-specific syntax. Use when working with .md files in Obsidian, or when the user mentions wikilinks, callouts, frontmatter, tags, embeds, or Obsidian notes.

3k tokens
context cost
the whole folder, loaded on every use
1
files
instructions only
3
copies elsewhere
how many repositories repackaged it
176
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository
npx skills add https://github.com/ZhanlinCui/Agent-Skills-Hunter --skill obsidian-markdown

The instruction itself

57 sections, as written by the author

Obsidian Flavored Markdown Skill

This skill enables skills-compatible agents to create and edit valid Obsidian Flavored Markdown, including all Obsidian-specific syntax extensions.

Overview

Obsidian uses a combination of Markdown flavors:

Basic Formatting

Paragraphs and Line Breaks

This is a paragraph.

This is another paragraph (blank line between creates separate paragraphs).

For a line break within a paragraph, add two spaces at the end  
or use Shift+Enter.

Headings

# Heading 1
## Heading 2
### Heading 3
#### Heading 4
##### Heading 5
###### Heading 6

Text Formatting

| Style | Syntax | Example | Output |

|-------|--------|---------|--------|

| Bold | text or __text__ | Bold | Bold |

| Italic | *text* or _text_ | *Italic* | *Italic* |

| Bold + Italic | *text* | *Both* | *Both* |

| Strikethrough | ~~text~~ | ~~Striked~~ | ~~Striked~~ |

| Highlight | ==text== | ==Highlighted== | ==Highlighted== |

| Inline code | code | code | code |

Escaping Formatting

Use backslash to escape special characters:

\*This won't be italic\*
\#This won't be a heading
1\. This won't be a list item

Common characters to escape: \*, \_, \#, \ , \|, \~`

[[Note Name]]
[[Note Name.md]]
[[Note Name|Display Text]]
[[Note Name#Heading]]
[[Note Name#Heading|Custom Text]]
[[#Heading in same note]]
[[##Search all headings in vault]]
[[Note Name#^block-id]]
[[Note Name#^block-id|Custom Text]]

Define a block ID by adding ^block-id at the end of a paragraph:

This is a paragraph that can be linked to. ^my-block-id

For lists and quotes, add the block ID on a separate line:

> This is a quote
> With multiple lines

^quote-id
[[##heading]]     Search for headings containing "heading"
[[^^block]]       Search for blocks containing "block"
[Display Text](Note%20Name.md)
[Display Text](Note%20Name.md#Heading)
[Display Text](https://example.com)
[Note](obsidian://open?vault=VaultName&file=Note.md)

Note: Spaces must be URL-encoded as %20 in Markdown links.

Embeds

Embed Notes

![[Note Name]]
![[Note Name#Heading]]
![[Note Name#^block-id]]

Embed Images

![[image.png]]
![[image.png|640x480]]    Width x Height
![[image.png|300]]        Width only (maintains aspect ratio)

External Images

![Alt text](https://example.com/image.png)
![Alt text|300](https://example.com/image.png)

Embed Audio

![[audio.mp3]]
![[audio.ogg]]

Embed PDF

![[document.pdf]]
![[document.pdf#page=3]]
![[document.pdf#height=400]]

Embed Lists

![[Note#^list-id]]

Where the list has been defined with a block ID:

- Item 1
- Item 2
- Item 3

^list-id

Embed Search Results

tag:#project status:done

Callouts

Basic Callout

> [!note]
> This is a note callout.

> [!info] Custom Title
> This callout has a custom title.

> [!tip] Title Only

Foldable Callouts

> [!faq]- Collapsed by default
> This content is hidden until expanded.

> [!faq]+ Expanded by default
> This content is visible but can be collapsed.

Nested Callouts

> [!question] Outer callout
> > [!note] Inner callout
> > Nested content

Supported Callout Types

| Type | Aliases | Description |

|------|---------|-------------|

| note | - | Blue, pencil icon |

| abstract | summary, tldr | Teal, clipboard icon |

| info | - | Blue, info icon |

| todo | - | Blue, checkbox icon |

| tip | hint, important | Cyan, flame icon |

| success | check, done | Green, checkmark icon |

| question | help, faq | Yellow, question mark |

| warning | caution, attention | Orange, warning icon |

| failure | fail, missing | Red, X icon |

| danger | error | Red, zap icon |

| bug | - | Red, bug icon |

| example | - | Purple, list icon |

| quote | cite | Gray, quote icon |

Custom Callouts (CSS)

.callout[data-callout="custom-type"] {
  --callout-color: 255, 0, 0;
  --callout-icon: lucide-alert-circle;
}

Lists

Unordered Lists

- Item 1
- Item 2
  - Nested item
  - Another nested
- Item 3

* Also works with asterisks
+ Or plus signs

Ordered Lists

1. First item
2. Second item
   1. Nested numbered
   2. Another nested
3. Third item

1) Alternative syntax
2) With parentheses

Task Lists

- [ ] Incomplete task
- [x] Completed task
- [ ] Task with sub-tasks
  - [ ] Subtask 1
  - [x] Subtask 2

Quotes

> This is a blockquote.
> It can span multiple lines.
>
> And include multiple paragraphs.
>
> > Nested quotes work too.

Code

Inline Code

Use `backticks` for inline code.
Use double backticks for ``code with a ` backtick inside``.

Code Blocks

Plain code block


// Syntax highlighted code block

function hello() {

console.log("Hello, world!");

}


Python example

def greet(name):

print(f"Hello, {name}!")

Nesting Code Blocks

Use more backticks or tildes for the outer block:

Here's how to create a code block:

console.log("Hello")

Tables

| Header 1 | Header 2 | Header 3 |
|----------|----------|----------|
| Cell 1   | Cell 2   | Cell 3   |
| Cell 4   | Cell 5   | Cell 6   |

Alignment

| Left     | Center   | Right    |
|:---------|:--------:|---------:|
| Left     | Center   | Right    |

Using Pipes in Tables

Escape pipes with backslash:

| Column 1 | Column 2 |
|----------|----------|
| [[Link\|Display]] | ![[Image\|100]] |

Math (LaTeX)

Inline Math

This is inline math: $e^{i\pi} + 1 = 0$

Block Math

$$
\begin{vmatrix}
a & b \\
c & d
\end{vmatrix} = ad - bc
$$

Common Math Syntax

$x^2$              Superscript
$x_i$              Subscript
$\frac{a}{b}$      Fraction
$\sqrt{x}$         Square root
$\sum_{i=1}^{n}$   Summation
$\int_a^b$         Integral
$\alpha, \beta$    Greek letters

Diagrams (Mermaid)

graph TD

A[Start] --> B{Decision}

B -->|Yes| C[Do this]

B -->|No| D[Do that]

C --> E[End]

D --> E

Sequence Diagrams

sequenceDiagram

Alice->>Bob: Hello Bob

Bob-->>Alice: Hi Alice

Linking in Diagrams

graph TD

A[Biology]

B[Chemistry]

A --> B

class A,B internal-link;

Footnotes

This sentence has a footnote[^1].

[^1]: This is the footnote content.

You can also use named footnotes[^note].

[^note]: Named footnotes still appear as numbers.

Inline footnotes are also supported.^[This is an inline footnote.]

Comments

This is visible %%but this is hidden%% text.

%%
This entire block is hidden.
It won't appear in reading view.
%%

Horizontal Rules

---
***
___
- - -
* * *

Properties (Frontmatter)

Properties use YAML frontmatter at the start of a note:

---
title: My Note Title
date: 2024-01-15
tags:
  - project
  - important
aliases:
  - My Note
  - Alternative Name
cssclasses:
  - custom-class
status: in-progress
rating: 4.5
completed: false
due: 2024-02-01T14:30:00
---

Property Types

| Type | Example |

|------|---------|

| Text | title: My Title |

| Number | rating: 4.5 |

| Checkbox | completed: true |

| Date | date: 2024-01-15 |

| Date & Time | due: 2024-01-15T14:30:00 |

| List | tags: [one, two] or YAML list |

| Links | related: "[[Other Note]]" |

Default Properties

  • tags - Note tags
  • aliases - Alternative names for the note
  • cssclasses - CSS classes applied to the note

Tags

#tag
#nested/tag
#tag-with-dashes
#tag_with_underscores

In frontmatter:
---
tags:
  - tag1
  - nested/tag2
---

Tags can contain:

  • Letters (any language)
  • Numbers (not as first character)
  • Underscores _
  • Hyphens -
  • Forward slashes / (for nesting)

HTML Content

Obsidian supports HTML within Markdown:

<div class="custom-container">
  <span style="color: red;">Colored text</span>
</div>

<details>
  <summary>Click to expand</summary>
  Hidden content here.
</details>

<kbd>Ctrl</kbd> + <kbd>C</kbd>

Complete Example

---
title: Project Alpha
date: 2024-01-15
tags:
  - project
  - active
status: in-progress
priority: high
---

# Project Alpha

## Overview

This project aims to [[improve workflow]] using modern techniques.

> [!important] Key Deadline
> The first milestone is due on ==January 30th==.

## Tasks

- [x] Initial planning
- [x] Resource allocation
- [ ] Development phase
  - [ ] Backend implementation
  - [ ] Frontend design
- [ ] Testing
- [ ] Deployment

## Technical Notes

The main algorithm uses the formula $O(n \log n)$ for sorting.

def process_data(items):

return sorted(items, key=lambda x: x.priority)


## Architecture

graph LR

A[Input] --> B[Process]

B --> C[Output]

B --> D[Cache]


## Related Documents

- ![[Meeting Notes 2024-01-10#Decisions]]
- [[Budget Allocation|Budget]]
- [[Team Members]]

## References

For more details, see the official documentation[^1].

[^1]: https://example.com/docs

%%
Internal notes:
- Review with team on Friday
- Consider alternative approaches
%%

References

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How to use it

Copy the folder

Take zhanlincui/obsidian-markdown from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.