# Hjarni (hjarni.com)

Stores plans, decisions and preferences as markdown notes that ChatGPT and Claude can search and edit across chats.

- Atlas card: https://inite.ai/en/atlas/hjarni.com
- Site: https://hjarni.com
- For: People using ChatGPT or Claude who want plans and preferences remembered across new chats
- Categories: knowledge
- Use 0/100 · alive 100/100

## Used for

- save launch plans and decisions for later chats
- have Claude update an existing note as plans change
- pick up a project in a new ChatGPT conversation

## Price

- from 12 USD/month, free plan (read 2026-10-19 on https://hjarni.com/pricing)

## For developers

- OpenAPI: https://hjarni.com/openapi.json (34 paths)
- MCP server: com.hjarni/hjarni (namespace; auth on 2026-10-19)
- Read 2026-10-19

## MCP server, measured daily

Server: https://hjarni.com/mcp, checked every day since 2026-10-19 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 721 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: soc2, iso27001, hipaa, pci, gdpr
- Training on your data: no (https://hjarni.com/privacy)
- Read 2026-10-19

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Source: INITE Atlas, https://inite.ai/en/atlas/hjarni.com. JSON: https://inite.ai/api/atlas/hjarni.com. MCP: https://inite.ai/api/mcp (atlas_lookup).