llm-wiki-skill — Multi-Platform Knowledge Base Builder Skill by ara.so — Daily 2026 Skills collection. Build a persistent, interlinked personal knowledge base from URLs, PDFs, markdown files, and raw text. Based on Karpathy's llm-wiki methodology: knowledge is compiled once and maintained , not re-derived from raw docs on every query. What It Does - Ingests articles, tweets, PDFs, YouTube transcripts, WeChat posts, and plain text - Routes each source type to the best extraction tool automatically - Generates structured wiki pages with - Produces entity pages, topic pages, source summaries, an…