Agent skill · writing content · sundial-org
second-brain
Personal knowledge base powered by Ensue for capturing and retrieving understanding. Use when user wants to save knowledge, recall what they know, manage their toolbox, or build on past learnings. Triggers on "save this", "remember", "what do I know about", "add to toolbox", "my notes on", "store this concept".
Why this skill is useful
Provides structured templates for capturing and retrieving knowledge that the AI wouldn't generate on its own.
What it needs
Requires ensue account access. About 4k tokens when loaded. Last updated 2026-03-07. 639 stars on the source repository.
What this skill does
Requires API Key: Request one at https://ensue-network.ai?utmsource=clawdbot Second Brain A 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. Philosophy Your second brain should: Capture understanding, not just facts - Write for your future self who forgot the context Be retrievable - Structured so you can find things when you need them Stay evergreen - No private details, credentials, or time-sensitive data Reflect real experience - Only save what you've actually learned or used Before saving: Will future-me thank me for this? Namespace Structure Example domains: programming, devops, design, business, data, security, productivity Content Formats Concepts For understanding how something works: Toolbox Entries For tools and technologies you've actually used: Patterns For reusable solutions: References For quick-lookup material: Interaction Rules Saving Knowledge Always confirm before saving: 1. "Want me to save this to your second brain?" 2. Show draft of what will be saved 3. Save after confirmation 4. Confirm what was saved and where Retrieving Knowledge When relevant topics come up: Search for existing knowledge Surface related concepts Connect new learning to existing understanding Maintaining Quality Before saving, verify: Written for future self who forgot context Includes the WHY, not just the WHAT Has concrete examples No credentials, API keys, or private paths Structured for retrieval Anti-Patterns 1. Don't auto-save - Always ask first 2. Don't save unused tools - Only tools actually used 3. Don't save half-understood concepts - Learn first, save after 4. Don't include secrets - No API keys, passwords, tokens 5. Don't create shallow entries - If you can't explain it well, don't save it 6. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sundial-org/second-brain