devrm

[!WARNING] Early development. This project is experimental and built with cutting-edge tooling. Expect breaking changes.

Toolchain version manager using devEngines to install and auto-switches runtimes and package managers.

Supports Node.js, Bun, Deno, npm, Yarn, pnpm.

Install

npm install --global devrm

Usage

Run devrm use <runtime> to update the devEngines field in your project's package.json.

Use an exact version

devrm use [email protected]

Use an alias (latest, lts)

devrm use node@latest

devrm provides shims so toolchain CLIs resolve versions from your project's devEngines.

Example package.json

{
  "devEngines": {
    "packageManager": {
      "name": "npm",
      "version": "11.11.0"
    },
    "runtime": {
      "name": "node",
      "version": "25.8.1"
    }
  }
}