An intelligent system for capturing content from URLs, YouTube videos, and local files into a structured, searchable personal knowledge base.
The fastest way to install a skill directly from the registry.
npx clawhub@latest install knowledge-brain
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
Copy this prompt to OpenClaw to install it automatically.
Help me install knowledge-brain using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Get the raw skill files in a ZIP archive.
This skill serves as a persistent extension of an agent's memory, allowing users to build a high-fidelity personal library. It automates the extraction of raw content and the generation of concise summaries, ensuring that information is not just stored but actively utilized. By integrating Openclaw Skills into your daily routine, you can transform scattered bookmarks and documents into a curated knowledge repository that supports proactive recall during complex tasks.
The system utilizes a structured directory approach, generating both raw data files and semantic summaries for every artifact. It maintains a lightweight index in the agent's memory, which allows it to recognize relevant context and surface information even when you don't explicitly ask it to search. This makes it an essential tool for developers, researchers, and lifelong learners using Openclaw Skills.
To initialize your knowledge base within Openclaw Skills, ensure you have the necessary CLI tools and provide a storage path during the first invocation.
# Recommended: Install yt-dlp for YouTube content extraction
sudo curl -L https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp -o /usr/local/bin/yt-dlp
sudo chmod a+rx /usr/local/bin/yt-dlp
# The agent will prompt for a directory; common defaults include:
~/Documents/knowledge/
The system uses a hierarchical directory structure to maintain clarity and compatibility with Openclaw Skills:
| File/Folder | Purpose |
|---|---|
README.md |
Usage and structure guide generated on first run. |
CHANGELOG.md |
Versioned history of all additions, moves, and reorganizations. |
books-to-read.md |
Automated index of literature referenced across all artifacts. |
/{category}/raw/ |
Original source content files with frontmatter metadata. |
/{category}/summary/ |
AI-generated markdown summaries containing key takeaways. |
_category.md |
Metadata and scope definitions for specific folders. |
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