Auto Classifier

Auto Classifier is an Obsidian plugin that helps you automatically classify tag from your notes using the ChatGPT API. The plugin can analyze your note (It can be title, frontmatter, content or selected area) and suggest relevant tag based on the input with tags in your valut. This can be used for various and specific purposes, for example, DDC classification for books, keyword recommendation, research paper categorization and so on. Save you time and improving your note organization.

How to use

• Enter your ChatGPT API key in setting tab. You can create it at OpenAI. Check api setting by the Test API call button.

• This plugin consists of 4 Input Commands that you can run. By simply running these commands, it will automatically classify your note.

  • Classify tag from Note title
  • Classify tag from Note FrontMatter
  • Classify tag from Note Content
  • Classify tag from Selected Area

• Toggle and Choose from different Tag Reference types. ChatGPT will select the appropriate tag from these references.

  • All tags (default)
  • Filtered Tags with regular expression
  • Manual Tags that defined manually

• Specify the Output Type from the response of ChatGPT.

  • #Tag: at your Current Cursor or Top of Content.
  • [[WikiLink]]: at your Current Cursor or Top of Content.
  • FrontMatter: with key
  • Title Alternative: at the end of note's title

• (Optional) Add Prefix or Suffix for the output format.

• (Optional) Your can use your custom request for the ChatGPT API.

  • Custom Prompt Template
    • ChatGPT will respond based on this prompt. The input coming from your Command will be replaced by {{input}}, and the reference tags you set will be placed in {{reference}}.
  • Custom Chat Role
    • You can guide ChatGPT's behabior by setting this system role

Example

Use Case #1: Selected area → Current cursor

Use Case #2: Content → FrontMatter

Use Case #3: FrontMatter → Title

Use Case #4: Title → FrontMatter

DDC number classification

If you want use this plugin as DDC number classification, edit Custom Prompt Template like this:

Please use Dewey Decimal Classification (DDC) to classify this content:
"""
{{input}}
"""
Answer format is JSON {reliability:0~1, output:"[ddc_number]:category"}. 
Even if you are not sure, qualify the reliability and select one. 
Convert the blank spaces to "_" in the output.

LCSH classification

LCSH classification can be similar:

Please use Library of Congress Subject Headings (LCSH) to classify this content:
"""
{{input}}
"""
Answer format is JSON {reliability:0~1, output:"[First LCSH term]--[Second LCSH term]--[Third LCSH term]"}. 
Even if you are not sure, qualify the reliability and select one. 
Convert the blank spaces to "_" in the output.

Installation

• Search Auto Classifier in the Community plugin tab of the Obsidian settings.
• Also, you can manually download the latest release from this repository GitHub releases and extrat the ZIP file to your Obsidian plugins folder.

Support

If you encounter any issues while using this plugin or have any suggestions for improvement, please feel free to submit an issue on the GitHub repository. Pull requests are also welcome.

Author

Hyeonseo Nam

License

MIT License