The Best Ways to Give Your AI Memory (2026)
Six ways to give Claude or ChatGPT a memory in 2026, compared honestly. A knowledge base over MCP, built-in memory, projects, CLAUDE.md files, and more.
Posts tagged Second brain
ChatGPT memory got an upgrade. It still is not a knowledge base.
OpenAI's 'Dreaming' upgrade makes ChatGPT remember more about you, automatically. Here is what it does well, and the job it still cannot do: be a knowledge base your AI can read.
Your Notes Aren't Agent-Legible Yet
Context engineering made code legible to coding agents. Your notes need the same thing. Capture is solved. Legibility is the bottleneck.
LLM wiki: Obsidian vs Hjarni
Running Karpathy's LLM wiki in an Obsidian vault versus a hosted knowledge base over MCP. What each one gives you, and an honest list of what you give up.
Generation is solved. Finding it again is the problem.
A chat log is a transcript, not a knowledge base. Generation got good. Retrieval is the part that is still broken. Here is why, and what fixes it.
What is a second brain? A guide for the AI age
A second brain is a place outside your head where you store everything worth keeping. Here's what it is, why it matters, and why AI changes what it needs to do.
What to save in your AI knowledge base: 5 recipes
Five small workflows that turn Hjarni into memory for Claude and ChatGPT. Customer context, meeting notes, decision logs, a style guide your AI follows, and inbox leads handled while you sleep.
LLM wiki vs. plain Markdown: when Karpathy's gist stops working
A plain Markdown file works for the LLM wiki pattern. Until it doesn't. Here are the five points where it stops working, and what to use instead.
What is a Second Brain? The AI-Native Take (2026)
A second brain is an external system for what you read, think, and decide. The traditional version is a graveyard. Here's what replaces it in 2026.
My Marketing Team Is Two AIs and a Knowledge Base
I run Hjarni's entire growth program from inside Hjarni itself. Two AIs, three folders, and a built-in MCP server. Here's the real loop, step by step.
Karpathy's LLM Wiki is right. I just didn't want to run it locally.
Andrej Karpathy's LLM wiki gist nails it. Stop dumping documents at LLMs. Build a brain. Hjarni hosts it over MCP, in Claude and ChatGPT, on every device.
Never Lose Your Startup's Knowledge
Learn how startups avoid information loss by using Hjarni's shared knowledge base.
Give your AI a memory
Write once. You both remember.
Free to start. No credit card required.
Works with Claude and ChatGPT today. Gemini coming soon.