node config_error ai_generated true

npm error Missing script: "start"

ID: node/err-missing-script

Also available as: JSON · Markdown

95%Fix Rate

95%Confidence

50Evidence

2023-01-01First Seen

Version Compatibility

Version	Status	Introduced	Deprecated	Notes
20	active	—	—	—

npm run <script> but that script doesn't exist in package.json.

generic

95% success Add the script to package.json scripts section
```
{ "scripts": { "start": "node index.js" } }
```
Sources: https://docs.npmjs.com/cli/v10/using-npm/scripts
92% success Check available scripts: npm run (no arguments lists all scripts)
```
npm run (no arguments lists all scripts)
```
Sources: https://docs.npmjs.com/cli/v10/commands/npm-run-script
88% success For frameworks, use the right command: next dev, vite, react-scripts start
```
next dev, vite, react-scripts start
```
Sources: https://docs.npmjs.com/cli/v10/using-npm/scripts

Common approaches that don't work:

Create a generic start script that might not work 70% fail
The script should match your actual entry point
Use npx instead of npm run 75% fail
npx is for running packages, not project scripts

Frequently confused with: