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AI Berkshire

A set of AI assistant skills for researching companies using the methods of well-known value investors.

What it does

AI Berkshire is a collection of skills for Claude Code and Codex that guide the AI through investment research on companies. It is based on the approaches of four value investors: Warren Buffett, Charlie Munger, Duan Yongping and Li Lu. The README is mainly in Chinese.

Instead of a balanced "on the one hand, on the other" answer, it pushes the AI to reach a clear conclusion, with several AI agents researching in parallel and arguing against each other. The repository also contains a large archive of research reports made with it.

The author shares their own investment results in the README, with a note that past returns don't predict future performance. Its output is AI-generated research, not professional financial advice.

Who it's for

Individual investors and finance enthusiasts who use AI coding assistants for company research.

Can I use it without coding?

With some setup. Needs Claude Code or Codex installed, plus adding the skills. New to this? Start here.

Can I run it?

Cost
Free, but needs an AI accountThe software is free, but it uses an online AI service (like OpenAI or Anthropic), which usually charges for use.
Runs on
Mac, Linux
Privacy
Sends what you give it to an online service
API key
Not needed

Try it

  1. Install an AI coding assistant such as Claude Code or Codex.
  2. Add the AI Berkshire skills to it by following the project's install steps.
  3. Ask it to research a company, starting with a quick quality screen to keep costs down.

Using Claude Code, Cursor or another AI coding assistant? Paste the prompt and it will walk you through the setup.New to this?

Before you install

  • Only download from the official GitHub page. Copies with similar names exist for many popular projects.
  • License (MIT): Very permissive: free to use, change and share, including for business.
  • What you type or upload is sent to an online service. Avoid sharing private or sensitive information.
  • More on staying safe