Who it is for
People who keep a second brain in plain text and want an assistant reading and writing into it.
Hjarni Notes
Markdown notes read directly by ChatGPT over MCP
Overview
What Hjarni Notes does
Hjarni is a note store built so an assistant can read it. Notes are written in Markdown and filed in folders with tags, and ChatGPT reaches them through a built-in MCP server, without a plugin and without the same background being pasted into each new conversation.
A single search covers the whole collection. ChatGPT can also write new notes, revise old ones and apply tags. Instructions can be set per folder to govern how it writes, formats and tags inside that folder, and a folder can be shared with a team so several assistants draw on the same material.
The MCP standard it is built on is the same one Claude uses, so the notes are not tied to a single assistant. It is free to begin with, and no card is required.
What stands out
Per-folder instructions shape how notes get written, and four packaged skills cover recall, saving, runbooks and session logs.
Availability
Where Hjarni Notes is listed
Hjarni Notes is listed in the ChatGPT apps directory only. Evert Van den Bruel has no connector under the same domain in the Claude directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.
ChatGPT apps are built on MCP, and the same server can back a Claude connector, so the absence is a distribution decision rather than a technical one.
ChatGPT listing
In the ChatGPT apps directory
- Developer
- Evert Van den Bruel
- Filed under
- Productivity
- Listed since
- June 2026
- Authentication
- Authenticates when installed
- Website
- hjarni.com
- Policies published
- Privacy policy · Terms of service
- Official listing
- Open in ChatGPT
- Snapshot
- August 2026
Named skills
Hjarni Notes declares 4 named skills, which puts it in the 6.7% of ChatGPT-listed apps that do.
- hjarni-recall
- hjarni-remember
- hjarni-runbook
- hjarni-session-log
Example prompts from the listing
- What do my notes say about this?
- Remember this for next time
- Save a summary of what we just did
Nearby
Other Productivity connectors
twinmind
Ambient capture, transcription and recall of conversations
Claude · ChatGPT
Vibe AI
Meeting recordings turned into searchable transcripts and notes
Claude
AI Passport
Portable memory shared across connected AI apps
ChatGPT
AI TeamsMaestro
Search meeting history and AI notes across Teams, Meet and Zoom
Claude
Ask My Whispr Voice Notes
Semantic search across Whispr voice memos
ChatGPT
Resource Allocation
Split a limited pool across options by relative return
ChatGPT
This is an independent catalogue entry compiled by Node8 from Hjarni Notes's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Evert Van den Bruel, and inclusion here is not an endorsement.
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