feat(fetchers): add public social media metadata support

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Public TikTok, Vimeo, and SoundCloud metadata fetching through oEmbed, available automatically in the library, CLI, MCP server, and Python bindings.
+- YouTube Shorts, live, embed, and privacy-enhanced embed URL support, with validated video IDs.
+
 ## [0.6.0] - 2026-10-23
 
 ### Highlights

README.md

@@ -30,13 +30,16 @@ fetchers match first; the default fetcher handles everything else.
 - `StackOverflowFetcher` - Stack Overflow and Stack Exchange question URLs
 - `PackageRegistryFetcher` - PyPI, crates.io, and npm package pages
 - `WikipediaFetcher` - Wikipedia article URLs
-- `YouTubeFetcher` - YouTube watch and `youtu.be` URLs
+- `YouTubeFetcher` - YouTube watch, Shorts, live, embed, and `youtu.be` URLs
+- `SocialMediaFetcher` - TikTok and Vimeo videos; SoundCloud tracks and playlists
 - `ArXivFetcher` - arXiv abstract and PDF URLs
 - `HackerNewsFetcher` - Hacker News item threads
 - `RSSFeedFetcher` - RSS and Atom feed URLs
 - `DocsSiteFetcher` - docs sites with `llms.txt`/`llms-full.txt` support
 - `DefaultFetcher` - all remaining HTTP/HTTPS URLs with HTML conversion, streaming, timeout handling, and binary detection
 
+See [Social media fetching](docs/social-media.md) for supported URLs and metadata limits.
+
 ## Built-in Content Processors
 
 Content processors run after a fetcher retrieves a bounded response body. They

crates/fetchkit/src/fetchers/mod.rs

@@ -20,6 +20,7 @@ mod jupyter_notebook;
 mod package_registry;
 mod pubmed;
 mod rss_feed;
+mod social_media;
 mod stackoverflow;
 mod twitter;
 mod wikipedia;
@@ -42,6 +43,7 @@ pub use jupyter_notebook::JupyterNotebookFetcher;
 pub use package_registry::PackageRegistryFetcher;
 pub use pubmed::PubMedFetcher;
 pub use rss_feed::RSSFeedFetcher;
+pub use social_media::SocialMediaFetcher;
 pub use stackoverflow::StackOverflowFetcher;
 pub use twitter::TwitterFetcher;
 pub use wikipedia::WikipediaFetcher;
@@ -189,6 +191,7 @@ impl FetcherRegistry {
         registry.register(Box::new(PackageRegistryFetcher::new()));
         registry.register(Box::new(WikipediaFetcher::new()));
         registry.register(Box::new(YouTubeFetcher::new()));
+        registry.register(Box::new(SocialMediaFetcher::new()));
         registry.register(Box::new(ArXivFetcher::new()));
         registry.register(Box::new(CrossrefFetcher::new()));
         registry.register(Box::new(IetfRfcFetcher::new()));
@@ -400,15 +403,16 @@ mod tests {
         assert_eq!(registry.fetchers[10].name(), "package_registry");
         assert_eq!(registry.fetchers[11].name(), "wikipedia");
         assert_eq!(registry.fetchers[12].name(), "youtube");
-        assert_eq!(registry.fetchers[13].name(), "arxiv");
-        assert_eq!(registry.fetchers[14].name(), "crossref");
-        assert_eq!(registry.fetchers[15].name(), "ietf_rfc");
-        assert_eq!(registry.fetchers[16].name(), "pubmed");
-        assert_eq!(registry.fetchers[17].name(), "hackernews");
-        assert_eq!(registry.fetchers[18].name(), "rss_feed");
-        assert_eq!(registry.fetchers[19].name(), "docs_site");
-        assert_eq!(registry.fetchers[20].name(), "default");
-        assert_eq!(registry.fetchers.len(), 21);
+        assert_eq!(registry.fetchers[13].name(), "social_media");
+        assert_eq!(registry.fetchers[14].name(), "arxiv");
+        assert_eq!(registry.fetchers[15].name(), "crossref");
+        assert_eq!(registry.fetchers[16].name(), "ietf_rfc");
+        assert_eq!(registry.fetchers[17].name(), "pubmed");
+        assert_eq!(registry.fetchers[18].name(), "hackernews");
+        assert_eq!(registry.fetchers[19].name(), "rss_feed");
+        assert_eq!(registry.fetchers[20].name(), "docs_site");
+        assert_eq!(registry.fetchers[21].name(), "default");
+        assert_eq!(registry.fetchers.len(), 22);
     }
 
     #[test]