llm-wiki-skill

Build and maintain a personal knowledge base using Karpathy's llm-wiki methodology across Claude Code, Codex, and OpenClaw agents.

INSTALLATION
npx skills add https://github.com/aradotso/trending-skills --skill llm-wiki-skill
Run in your project or agent environment. Adjust flags if your CLI version differs.

SKILL.md

$27

Give your agent the repo URL and ask it to install for your platform:

https://github.com/sdyckjq-lab/llm-wiki-skill

Manual Installation

Clone the repo anywhere, then run the installer for your platform:

# Claude Code

bash install.sh --platform claude

# Codex

bash install.sh --platform codex

# OpenClaw

bash install.sh --platform openclaw

# Auto-detect (only if one platform directory exists)

bash install.sh --platform auto

# Custom target directory (OpenClaw non-standard path)

bash install.sh --platform openclaw --target-dir /path/to/your/skills

Default Install Locations

Platform

Path

Claude Code

~/.claude/skills/llm-wiki

Codex

~/.codex/skills/llm-wiki

OpenClaw

~/.openclaw/skills/llm-wiki

Legacy Claude Setup (existing users)

bash setup.sh

# This is now a compatibility shim for the unified installer

Prerequisites

# Check Chrome debug mode is running (needed for web extraction)

google-chrome --remote-debugging-port=9222 &

# Check uv is installed (needed for WeChat + YouTube extraction)

uv --version

# Install bun OR npm (one is enough for web extraction deps)

curl -fsSL https://bun.sh/install | bash

# OR: npm is already available in most environments

Platform Entry Points

After installation, read the platform-specific instructions:

  • Claude Code: platforms/claude/CLAUDE.md
  • Codex: platforms/codex/AGENTS.md
  • OpenClaw: platforms/openclaw/README.md

Knowledge Base Structure

your-wiki/

├── raw/                    # Immutable source material

│   ├── articles/           # Web articles

│   ├── tweets/             # X/Twitter

│   ├── wechat/             # WeChat posts

│   ├── xiaohongshu/        # Xiaohongshu (manual paste only)

│   ├── zhihu/              # Zhihu

│   ├── pdfs/               # PDFs

│   ├── notes/              # Notes

│   └── assets/             # Images, attachments

├── wiki/                   # AI-generated knowledge base

│   ├── entities/           # People, concepts, tools

│   ├── topics/             # Topic pages

│   ├── sources/            # Source summaries

│   ├── comparisons/        # Side-by-side analysis

│   └── synthesis/          # Cross-source synthesis

├── index.md                # Master index

├── log.md                  # Operation log

└── .wiki-schema.md         # Config

Core Workflows

Initialize a New Knowledge Base

# Ask your agent:

"Create a new knowledge base at ~/my-wiki"

# The agent will scaffold the directory structure,

# generate index.md, log.md, and .wiki-schema.md

Ingest a Web Article

# Agent command pattern:

"Add this article to my wiki: https://example.com/article"

# Under the hood, the agent routes to baoyu-url-to-markdown:

npx baoyu-url-to-markdown https://example.com/article > raw/articles/article-slug.md

Ingest a YouTube Video

# Agent command pattern:

"Digest this YouTube video into my knowledge base: https://youtube.com/watch?v=abc123"

# Uses youtube-transcript via uv:

uvx youtube-transcript https://youtube.com/watch?v=abc123 > raw/articles/video-slug.md

Ingest a WeChat Article

# Agent command pattern:

"Add this WeChat article to my wiki: https://mp.weixin.qq.com/s/..."

# Uses wechat-article-to-markdown via uv:

uvx wechat-article-to-markdown https://mp.weixin.qq.com/s/... > raw/wechat/article-slug.md

Ingest a PDF

# Agent command pattern:

"Process this PDF into my wiki: /path/to/paper.pdf"

# OR drag a file into the chat

# No external tool needed — goes directly into main pipeline:

cp /path/to/paper.pdf raw/pdfs/paper.pdf

Ingest Raw Text or Notes

# Just paste text to your agent:

"Add these notes to my wiki: [paste content]"

# Agent writes directly to:

echo "your content" > raw/notes/note-slug.md

Batch Process a Folder

# Agent command pattern:

"Process all files in ~/Downloads/research into my wiki"

# Agent iterates over files and routes each by type

for f in ~/Downloads/research/*; do

  # agent determines type and processes accordingly

done

Health Check

# Agent command pattern:

"Run a health check on my knowledge base"

# Agent checks for:

# - Orphaned pages (no incoming links)

# - Broken [[wiki links]]

# - Contradictory information across pages

# - Missing source summaries

Source Routing Reference

Source Type

Tool Used

Requires

Web articles

baoyu-url-to-markdown

Chrome debug mode

X/Twitter

baoyu-url-to-markdown

Chrome debug mode + X login

Zhihu

baoyu-url-to-markdown

Chrome debug mode

WeChat

wechat-article-to-markdown

uv

YouTube

youtube-transcript

uv

Xiaohongshu

Manual paste

Nothing

PDF / Markdown / Text

Direct pipeline

Nothing

Source registry lives at: scripts/source-registry.tsv

Routing logic lives at: scripts/source-registry.sh

Wiki Page Conventions

Entity Page (wiki/entities/andrej-karpathy.md)

# Andrej Karpathy

## Overview

Former OpenAI/Tesla researcher, creator of llm-wiki methodology.

## Key Ideas

- [[llm-wiki]] — compile knowledge once, maintain over time

- [[nanoGPT]] — minimal GPT implementation for education

## Sources

- [[sources/llm-wiki-gist-2024]]

- [[sources/karpathy-interview-2023]]

## Related

- [[topics/language-models]]

- [[entities/openai]]

Topic Page (wiki/topics/retrieval-augmented-generation.md)

# Retrieval-Augmented Generation

## Summary

...

## Key Entities

- [[entities/langchain]]

- [[entities/llamaindex]]

## Comparisons

- [[comparisons/rag-vs-finetuning]]

## Sources

- [[sources/rag-paper-2020]]

Source Summary (wiki/sources/article-slug.md)

# Source: Article Title

- **URL**: https://example.com/article

- **Date ingested**: 2026-04-10

- **Type**: web article

## Key Points

1. ...

2. ...

## Entities Mentioned

- [[entities/...]]

## Raw**: [[raw/articles/article-slug]]

Troubleshooting

Chrome / Web Extraction Fails

# Start Chrome with remote debugging enabled

google-chrome --remote-debugging-port=9222 --no-first-run &

# Verify it's running

curl http://localhost:9222/json/version

# For X/Twitter: make sure you're logged in on that Chrome session

# Then retry the extraction

WeChat or YouTube Extraction Fails

# Install uv if missing

curl -LsSf https://astral.sh/uv/install.sh | sh

source $HOME/.cargo/env

# Re-run installer to pick up uv

bash install.sh --platform claude  # or your platform

# Verify uv tools work

uvx youtube-transcript --help

uvx wechat-article-to-markdown --help

bun/npm Dependency Install Fails

# The installer auto-selects bun or npm — check which is available

which bun && echo "bun found"

which npm && echo "npm found"

# Manually install web extraction deps with npm

npm install -g baoyu-url-to-markdown

Codex Legacy Path Compatibility

# Old path still supported automatically:

~/.Codex/skills  # capital C — installer handles both

~/.codex/skills  # lowercase — new default

Agent Can't Find Installed Skill

# Verify install location for your platform

ls ~/.claude/skills/llm-wiki/   # Claude Code

ls ~/.codex/skills/llm-wiki/    # Codex

ls ~/.openclaw/skills/llm-wiki/ # OpenClaw

# Re-run installer if directory is missing

bash install.sh --platform <your-platform>

Source Registry Lookup

# Check registered sources and routing

cat scripts/source-registry.tsv

# Test routing for a URL

bash scripts/source-registry.sh route "https://mp.weixin.qq.com/s/example"

Key Design Principles

  • Compile once, maintain — wiki pages are living documents, not ephemeral answers
  • Bidirectional links — every entity and topic links to related nodes with [[name]]
  • Immutable raw — source files in raw/ are never modified after ingestion
  • Graceful degradation — if a tool fails, agent prompts for manual paste instead of crashing
  • Platform-agnostic — same knowledge base works across all supported agents
  • Obsidian-compatible — open your-wiki/ directly in Obsidian at any time

Quick Reference for Agents

Initialize wiki:     "Create a new wiki at <path>"

Add URL:             "Add <url> to my wiki"

Add file:            "Process <file path> into my wiki"

Add text:            "Add these notes to my wiki: <text>"

Batch process:       "Process all files in <folder> into my wiki"

Health check:        "Check my wiki for broken links and orphans"

Find information:    "What does my wiki say about <topic>"

Update a page:       "Update the [[entity]] page with new info from <source>"
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