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Jan

TOOL

Local-first AI app framework

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Overview

Jan is a free tool on OpenRuna. Local-first AI app framework

What this tool does

"Jan" is a tool you can copy, adapt, and run with any modern AI assistant. Local-first AI app framework It is catalogued next to similar resources on OpenRuna, so the rest of the toolkit you need is close by. Paste it straight into a chat, drop it into a system prompt, or store it as a reusable skill.

Use cases

  • Keep it in a shared library as the canonical version of this tool for your organisation.
  • Fork it as a baseline and layer in your own project context, constraints, and examples.
  • Hand "Jan" to a new teammate so their tool output matches your team's quality bar from day one.
  • Use "Jan" when you need a repeatable tool for professional work without rewriting instructions every time.

Example output

Ask the model to apply "Jan" to your scenario and it returns a structured answer — clear sections, actionable steps, and assumptions stated upfront — ready to paste into docs, tickets, or code comments. Add one example of your own and the output quality jumps noticeably.

Tips by platform

Claude

Claude works best when you paste this tool up front and ask it to outline its plan before writing. Use the artifact panel to refine structured output turn by turn.

ChatGPT

In ChatGPT, start a fresh chat and paste this tool verbatim, then follow up with "apply this to [your context]." Pick a current GPT model for coding or reasoning tasks.

Cursor

In Cursor, lift the key instructions from this tool into .cursorrules or a SKILL.md file, then reference it in Agent mode with @ mentions. Keep the title in a comment so teammates can find it on OpenRuna.

Frequently asked questions

What is "Jan"?
It is a tool listed on OpenRuna — Local-first AI app framework You can copy and adapt it for ChatGPT, Claude, Cursor, or any other AI assistant.
Is "Jan" free to use?
Most OpenRuna resources are open or CC0-licensed. Check the license shown on this page before commercial use; premium collections are clearly marked as such.
How do I get the best results from this tool?
Replace any placeholders, add your project context, and ask the model to confirm its assumptions first. Iterate over 2–3 follow-up turns rather than expecting a perfect first response.
Does "Jan" work with both Claude and ChatGPT?
Yes — it is model-agnostic text, so it runs on Claude, ChatGPT, Gemini, and Cursor. The tips on this page cover each of those assistants specifically.
Where can I find resources related to "Jan"?
Scroll to the Related resources section on this page, or open the matching category hub on OpenRuna to find connected prompts, tools, agents, and datasets in the same topic area.

Related resources