@lijigang

ljg-x-download extracts media from x.com and twitter.com post links via yt-dlp, saving files to ~/Downloads. supports multiple url formats including t.co redirects.

ljg-qa extracts argumentative structure from source material by deriving sharp q-a chains that expose authorial reasoning rather than summarizing or listing facts. reader walks the logic chain, each answer anchors understanding without spoiling the next question.

ljg-rank decomposes domains into their minimal independent generators, using Deutsch's epistemological criteria (reach and hard-to-vary) to identify explanations that cannot be altered without collapsing predictive power.

ljg-learn deconstructs concepts through eight dimensional analysis (history, dialectics, phenomenology, linguistics, formalization, and others) to distill insight. procedure is skeletal and metaphorical rather than executable.

ljg-paper is a framework for extracting actionable insights from academic papers written in chinese. it prescribes an org-mode template and nine-step workflow emphasizing narrative clarity over academic rigor, with heavy emphasis on title distillation and example-driven explanation.

演讲铸造器（Outline-Faithful）。基于 orgmode/markdown outline 层级 1:1 视觉化呈现——色块大字、ultra-bold 错位，原文不动只做美化。三档主题色 black/red/yellow（默认 black 或按 filetags 推断），可用 -r/-b/-y…

ljg-read — an installable skill for AI agents, published by lijigang/ljg-skills.

追本之箭——纵向深钻思维工具。给一个观点、现象或问题，像箭一样一路向下钻到不可再分的本质。Use when user says '想透', '追本', '本质是什么', '为什么会这样', '深挖', '钻到底', 'think deep', 'drill down', or wants to trace any…

论文倒读法：给一篇论文，递归找出它批判和改进的前序论文（最多5层），再找它之后的最新进展，从源头正向讲述问题演化史。以问题为轴，费曼式讲解每篇论文看到的问题和解法创新。Use when user shares a paper and wants to understand its intellectual…

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Word flow: deep-dive word analysis + infograph card in one go. Takes one or more English words, runs ljg-word (generates deep semantics analysis) then ljg-card…

Deep-dive English word mastery tool. Deconstructs a single English word into core semantics and epiphany. Use when user asks to explain/master a specific…

Skill map viewer. Scans all installed skills and renders a visual overview — name, version, description, category at a glance. Use when user says 'skills',…

Paper workflow: read papers + cast cards in one go. Takes one or more arxiv links, paper URLs, PDFs, or paper names. For each paper, runs ljg-paper (generates…

投资分析, 生成一份深度投资分析报告。不做传统投资分析——核心判断是项目是否是一台「秩序创造机器」。Use when user says '投资报告', '投资分析', '分析这个项目', '写投资报告', 'investment report', 'invest analysis', or provides…

Cognitive atom: Plain (白). Rewrites any content so a smart 12-year-old groks it. Structure-free — form follows content. Use when user says '白话说', '说人话',…

ljg-writes — an installable skill for AI agents, published by lijigang/ljg-skills.

Deep travel research workflow for museums and ancient architecture. Input a city name, auto-generates structured knowledge document (org-mode) + portable…

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Content caster (铸). Transforms content into PNG visuals. Seven molds: -l (default) long reading card, -i infograph, -m multi-card reading cards (1080x1440), -v…

把 ~/.claude/skills/ljg-* 里所有更新过的 skills 同步到 github repo (ljg-skills)，先推 master 分支（org-mode 输出风格），再切 md 分支（markdown 输出风格）做基础 markdown 化后推。Use when user says…