Update README.md

Author: zcaceres

README.md

@@ -104,6 +104,7 @@ A growing set of community-developed and maintained servers demonstrates various
 - **[MongoDB](https://github.com/kiliczsh/mcp-mongo-server)** - A Model Context Protocol Server for MongoDB.
 - **[Airtable](https://github.com/felores/airtable-mcp)** - Airtable Model Context Protocol Server.
 - **[Fetch](https://github.com/zcaceres/fetch-mcp)** - A server that flexibly fetches HTML, JSON, Markdown, or plaintext
+- **[Markdownify](https://github.com/zcaceres/mcp-markdownify-server)** - MCP to convert almost anything to Markdown (PPTX, HTML, PDF, Youtube Transcripts and more)
 
 ## 📚 Resources