How to Build a Second Brain ChatGPT Can Actually Use
A second brain for ChatGPT is a knowledge base it can search and update in every conversation. Here's what to put in it, how to connect it in five minutes, and why built-in memory isn't enough.
Posts tagged ChatGPT
ChatGPT's memory is full. Here's how to fix it.
Seeing the ChatGPT memory full notice? Here's how to clear space in two minutes, what deleting memories actually does, and how to stop the important stuff from living in a buffer that overflows.
Can Claude edit my notes, or only read them?
Most AI memory tools only let the model read. Hjarni lets Claude and ChatGPT edit too: insert a line, fix a bullet, or delete a stale snippet without rewriting the whole note. Here's how surgical, conflict-safe editing works, and why writing back matters more than reading.
Mem0 vs Supermemory vs Hjarni: AI Memory Compared (2026)
Mem0 and Supermemory are memory APIs for developers. Hjarni is a knowledge base your AI can read. How they store memory, what they cost, when to pick each.
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.
Best MCP Memory Servers in 2026: 7 Options Compared
An honest roundup of the best MCP memory servers in 2026. Hjarni, Mem0, Supermemory, Zep, Letta, Basic Memory, and the official knowledge graph server compared.
How to run a literature review with Claude or ChatGPT, from your own notes
Point Claude or ChatGPT at your own notes to run a literature review from the papers you actually read, with citations you can check, not invented.
5 Ways to Automate Your Knowledge Base with ChatGPT and Zapier
Connect Hjarni to Zapier to capture from Slack, Gmail, Calendar, and forms automatically. Then let ChatGPT search and use all of it. Five concrete workflows you can build today.
ChatGPT MCP: How to Connect Any MCP Server to ChatGPT (2026)
A practical guide to using MCP with ChatGPT in 2026. Two ways to connect, real examples, and the troubleshooting steps nobody mentions.
Hjarni Is Now a ChatGPT App
Hjarni is live in the ChatGPT Apps Directory. One click to connect. Your notes, your AI's memory.
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