A structured personal knowledge base powered by Ensue designed to capture, organize, and retrieve compounding insights for AI agents.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install second-brain
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install second-brain using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Second Brain?
The Second Brain skill is a sophisticated knowledge management framework designed to move beyond simple note-taking and into the realm of structured understanding. By integrating with the Ensue network, this skill allows users to build a repository of evergreen knowledge that grows over time. It emphasizes the capture of the 'why' and 'how' behind technical concepts rather than just raw facts, ensuring that information remains useful for future retrieval.
As a core component of Openclaw Skills, Second Brain provides a logical structure for everything from complex programming patterns to a personal toolbox of vetted technologies. It helps developers move away from a 'note dump' mentality by requiring structured formats for concepts, patterns, and references. This ensures that every entry added to the system is optimized for clarity, context, and long-term utility.
Second Brain Use Cases
- Capturing complex architectural concepts and 'aha' moments during development for future reference.
- Maintaining a vetted toolbox of technologies with personal notes on gotchas and use cases.
- Storing reusable design patterns and solutions to recurring technical problems.
- Organizing quick-reference cheatsheets and API documentation for rapid lookup.
- Keeping a private journal of reflections and scratchpad drafts separate from public-facing knowledge.
How Second Brain Works
- The AI agent identifies a trigger such as 'save this' or 'remember' during a conversation.
- The skill prompts the agent to draft a structured entry following a specific template (Concept, Toolbox, Pattern, or Reference).
- Before any data is stored, the skill presents a draft to the user for confirmation to ensure quality and privacy.
- Once confirmed, the entry is committed via the Ensue API to a specific namespace like public/concepts or public/toolbox.
- For retrieval, the skill performs semantic searches or namespace listings to surface relevant information when the user asks 'what do I know about X'.
Second Brain Setup
To utilize this skill within the Openclaw Skills ecosystem, you must configure the Ensue API integration.
- Obtain an API key by requesting one at https://ensue-network.ai.
- Export the key as an environment variable named
ENSUE_API_KEY. - Configure your
clawdbot.jsonto include the skill entry:
{
"skills": {
"entries": {
"second-brain": {
"apiKey": "your-ensue-api-key"
0 }
}
}
}
Second Brain Data Schema & Taxonomy
The skill utilizes a hierarchical namespace to organize information efficiently:
| Namespace | Focus Area | Description |
|---|---|---|
public/concepts/ |
Understanding | Organized by domain (e.g., programming, devops) to explain how things work. |
public/toolbox/ |
Tools | A master index and detailed entries for tools you have actually used. |
public/patterns/ |
Solutions | Reusable code patterns, design workflows, and trade-off analysis. |
public/references/ |
Data | Scannable tables, syntax guides, and API documentation. |
private/ |
Internal | Contains personal notes, scratchpads, and dated journal entries. |
Second Brain Advanced Features
- Semantic discovery allowing for 'fuzzy' searching across your entire knowledge base using natural language queries.
- Standardized content formats for Concepts, Toolbox entries, and Patterns to maintain high-signal data.
- Automated maintenance of a Toolbox Index (
_index) for high-level categorization of your technical stack. - Intelligent confirmation workflows that prevent the accidental storage of secrets, API keys, or shallow entries.
- Wrapper script integration for advanced CLI-based operations like listing keys with specific prefixes or batch updating entries.
SKILL.md
Loading
Related Openclaw Skills
Boggle Solver
A high-performance, trie-based word discovery tool for 4x4 Boggle grids supporting English and German dictionaries.
Otterline Sports Predictions
A sports betting intelligence skill providing AI-driven NBA and NHL moneyline predictions with confidence-tiered rankings.
Docs Scraper
A high-performance CLI tool that automates browser sessions to scrape documents from Notion, DocSend, and general websites into searchable local PDF files.
PDF Translate
A professional PDF-to-Chinese translation engine that preserves complex typography and structural elements using a Markdown-first workflow.
claw2claw-filetransfer
A high-performance file transfer and synchronization tool for moving data between OpenClaw agents via rsync over SSH.
skill-miner
A professional discovery and research tool for identifying existing functionality on ClawHub and building secure, clean-room skill implementations.
METADATA
Featured*
