Free add-ons for Claude AI that teach it new tricks — like finding hidden-gem YouTube videos or turning PDFs and Word docs into clean, editable text. No coding needed to use them.
Skill Claude CodeCodex
Converts files (PDF, DOCX, PPTX, XLSX, images, audio, HTML, CSV/JSON/XML, ZIP, YouTube URLs) to clean Markdown using Microsoft's markitdown CLI, and optionally reviews the result for extraction artifacts (fragmented sentences, missing headings, ligature glitches, spelling errors). Use this skill whenever the user…
Skill Claude CodeCodex
Finds YouTube videos that are "overperforming" for their channel size — high view counts from small/under-the-radar channels — for a given topic or search term. Use this whenever the user wants to find hidden-gem, underrated, or viral-outlier YouTube videos in a niche; wants examples of small creators who "went viral"…
Skill Claude CodeCodex
Evaluates a batch of YouTube video candidates (typically the output of the youtube-idea-finder skill) for thumbnail quality, editing quality, topics, tech/tools, and format, then turns each into a Replicate/Fix/Calendar-action brief. Use this after youtube-idea-finder has surfaced overperforming videos, whenever the…