Hjarni is a knowledge base with a built-in MCP server.

You write notes in Markdown. You organize them in folders and tags. Your AI assistant reads from the same folders, follows your instructions, and writes notes back. ChatGPT, Claude, or anything that speaks MCP.

That's it. No databases. No kanban. No page builders. We left those out on purpose.

The point is to give your AI a memory. Write once. You both remember.

Next: How notes work. Then How to connect your AI.