npm ERR! code E403 — Forbidden Error

Verify the package name is available on npm before publishing.

# Check if a package name is taken
npm view package-name
# If it returns package info, the name is taken

# Use a scoped name for your packages
# @yourusername/package-name

# Or choose a different name

Provide the OTP (one-time password) when publishing with 2FA enabled.

# Publish with OTP
npm publish --otp=123456

# Configure npm for 2FA
npm profile enable-2fa auth-only
npm profile enable-2fa auth-and-writes

# Set OTP read from env
# npm config set otp "Your OTP here"

Ensure you are a member of the organization for scoped packages.

# Check org membership
npm org ls my-org

# Add yourself to an org (by org admin)
npm org add my-org my-username

# Publish scoped package
npm publish --access public  # For public scoped packages
# or
npm publish  # For private scoped packages

You cannot republish the same version. Increment the version number.

# Bump patch version
npm version patch
# or manually:
# Update version in package.json

# Then publish again
npm publish

# If you need to unpublish (last 72 hours only)
npm unpublish package-name@version