Hjarni Notes
ChatGPT pluginYour notes, your AI's memory.
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Movement
From our daily snapshots over the last 30 days.
Rank by placement
Rank in Productivity
In its category
How this plugin compares with others in the same category. Positions are counted within the category, not across the whole directory.
Productivity70th of 1,371 by placement
| # | Plugin | Position | 7d |
|---|---|---|---|
| 67 | #306 | 2places up | |
| 68 | #311 | 12places up | |
| 69 | #319 | 13places down | |
| 70 | #320 | 8places up | |
| 71 | #322 | 20places up | |
| 72 | #328 | 5places up | |
| 73 | #329 | 17places down |
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Hjarni is a knowledge base your AI can actually use.
Write notes in Markdown. Organize them in folders and tags. ChatGPT reads them directly through a built-in MCP server. No plugins. No pasting the same context into every conversation.
ChatGPT starts every conversation from zero. Connect Hjarni once and it stops asking. Ask questions across all your notes. Have ChatGPT write new notes, update old ones, and tag them the way you want.
Set instructions per folder to control how ChatGPT writes, formats, and tags. Share a folder with your team so everyone's AI works from the same knowledge base. Search across everything in one call.
Built on the same open MCP standard as Claude, so your knowledge base is not locked to one assistant.
Use it as your second brain, your project memory, your research library, or your team's shared context. Notes, folders, tags. That is the product. Simple on purpose.
Free to start. No credit card required.
Example prompts
- “What do my notes say about this?”
- “Remember this for next time”
- “Save a summary of what we just did”
Skills
hjarni-recall
Load relevant context from the user's Hjarni knowledge base. Use when the user asks to check notes, load context, consult Hjarni, or when a task names a known project, architecture, convention, runbook, or research area where saved context is likely to change the answer. Do not use for generic tasks with no project or domain signal.
hjarni-remember
Save decisions, findings, preferences, and conventions to the user's Hjarni knowledge base when they say remember this, save this, note this down, or add this to my notes. Updates an existing note when one covers the topic instead of creating a duplicate.
hjarni-runbook
Save a completed debugging, incident, or setup session as a reusable runbook note in the user's Hjarni knowledge base when they say make this a runbook, save this as a runbook, or document this fix so we can repeat it.
hjarni-session-log
Write a summary of the current work session to the user's Hjarni knowledge base when they say log this session, write up this session, or save a session note. Records what changed, why, dead ends hit, and open follow-ups.
- Categories
- Made by
- Evert Van den Bruel · Website
- Sign-in
- On Install
- Availability
- Available
- Version
- 4.0.0
- Created
- June 4, 2026
- More info