OpenAI Dots have memory. Your agent still needs a knowledge base.
OpenAI Dots can remember context and work continuously. Here’s why always-on AI agents still benefit from a durable, user-owned knowledge base.
Posts tagged ChatGPT
Run a Long RPG Campaign With ChatGPT as Game Master
A player built a twelve-note memory system so ChatGPT could run a long campaign without losing the plot. The interesting part is not the game. It is everything he decided the game should forget.
D&D Campaign Notes Your AI Can Read Before the Next Session
Keep NPCs, promises and unfinished quests in campaign notes your assistant can check and update. A practical workflow for D&D and other tabletop RPGs.
How a writer made ChatGPT a creative partner that remembers the whole story
Jim Johnston keeps the history, characters and decisions of a large story in Hjarni. ChatGPT checks them before it helps, challenges his ideas from the real story, and saves what they decide back.
Is it safe to give ChatGPT access to your notes?
What a connected assistant can actually do, what it can't, and the three safeguards that matter: revocable access, versioned and attributed edits you can undo, and a knowledge base that doesn't train on your data and exports to plain Markdown.
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.
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)
Compare Mem0's application memory, Supermemory's API and personal or shared MCP workflows, and Hjarni's editable Markdown knowledge base. How they store context and 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.
Start here
Write once. You both remember.
25 notes free, forever. No credit card required.
5 out of 5 from
14 reviews
7,600+ notes a day read or updated by AI
Works with Claude, ChatGPT, Cursor and any MCP client.