Syndication.Core

A modern, lightweight, and robust C# library for reading syndication feeds (RSS, Atom, JSON, ActivityPub).

Features

• All Formats: Supports RSS 2.0, RSS 1.0 (RDF), Atom, and JSON Feed.
• Decentralized: Consumes ActivityPub Outboxes and supports WebSub verification.
• Smart Discovery: Automatically finds feeds in HTML pages.
• Robust Networking: Handles Conditional GET (ETag), Compression, and resilient parsing.
• Extensions: Native support for Podcasting (iTunes) and Media RSS.

Usage

var reader = new FeedReader();
// Auto-discovers feed from blog URL
var response = await reader.ReadUrlAsync("https://example.com/blog");

if (response.Feed != null) 
{
    Console.WriteLine($"Title: {response.Feed.Title} ({response.Feed.Type})");
    foreach(var item in response.Feed.Items)
    {
        Console.WriteLine($"- {item.Title}");
    }
}

Supported Formats

• RSS 2.0 & 1.0 (RDF)
• Atom 1.0
• JSON Feed 1.0 & 1.1
• ActivityPub (ActivityStreams 2.0)
• OPML 2.0 (Import/Export)

Documentation

For full usage details, architecture explanation, and examples, see the Comprehensive Documentation.

License

MIT