intellectronica/ruler
A TypeScript package that centralizes AI coding assistant instructions to apply consistent rules across multiple AI coding tools.

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Ruler solves the problem of managing divergent configuration files across AI coding assistants. It provides a unified way to define project-level instructions that can be applied to different AI coding tools including GitHub Copilot, Claude Code, Cursor, and Aider. The tool helps teams maintain consistent AI guidance without duplicating effort across tool-specific configuration files.
Frequently asked
- What is intellectronica/ruler?
- A TypeScript package that centralizes AI coding assistant instructions to apply consistent rules across multiple AI coding tools.
- Is ruler open source?
- Yes — intellectronica/ruler is open source, released under the MIT license.
- What language is ruler written in?
- intellectronica/ruler is primarily written in TypeScript.
- How popular is ruler?
- intellectronica/ruler has 2.8k stars on GitHub.
- Where can I find ruler?
- intellectronica/ruler is on GitHub at https://github.com/intellectronica/ruler.