second-brain

Overview

Personal knowledge base for building understanding that compounds over time. Not a note dump - a structured system for capturing knowledge you can actually retrieve and use.

Key Features

• Capture understanding, not just facts
• Be retrievable
• Stay evergreen
• Reflect real experience

How It Works

Before saving: Will future-me thank me for this?

Use Cases

• Save knowledge and recall what you know
• Manage your toolbox
• Build on past learnings

Interaction Rules

• Saving Knowledge: Always confirm before saving
• Retrieving Knowledge: Search for existing knowledge, surface related concepts, connect new learning to existing understanding
• Maintaining Quality: Verify written for future self, includes the WHY, has concrete examples, no credentials, API keys, or private paths, structured for retrieval

Anti-Patterns

• Don't auto-save
• Don't save unused tools
• Don't save half-understood concepts
• Don't include secrets
• Don't create shallow entries
• Don't duplicate