Procoders

This WordPress plugin indexes your blog posts using the embeddings feature of OpenAI, and uses this data to enrich the BrainySearch request. When a user searches for content using the <code>[brainy_search]</code> shortcode, the plugin returns the most relevant search results based on the content of the indexed blog posts, along with a temperature label (0-100) that indicates the “creativity” or “diversity” of the results.
The BrainySearch plugin can be used on any WordPress site where advanced search functionality is desired. Some potential use cases include:
<ul>
<li>E-commerce sites looking to provide more accurate and relevant product search results to customers</li>
<li>News or blog sites looking to provide more targeted search results based on article content</li>
<li>Educational sites or online course providers looking to provide more effective search results for course content</li>
<li>Knowledge base sites looking to improve the search experience for users trying to find specific information</li>
<li>Expert systems or decision-making systems that require fast and accurate search functionality to deliver results to users</li>
</ul>

BrainySearch

The BrainySearch plugin allows you to perform advanced search queries on your WordPress site using the OpenAI API.

Pat Hawks

dirtysuds

Will embed a PDF file using Google Docs Viewer 
Simply include the URL for a PDF document on it’s own line, or wrapped in the embed tag like <code>[embed]http://example.com/file.pdf[/embed]</code> and the plugin will embed the PDF into the page using the Google Docs Viewer embed code. 
The url must end with <code>.pdf</code>
Supported attributes in the embed tag are <code>class</code> <code>id</code> <code>title</code> <code>height</code> and <code>width</code>

Embed PDF

Adds pseudo oembed support for PDF documents

BrainySearch vs Embed PDF