Create a read-only npm token restricted to specific CIDR ranges
domain: npm · 6 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Run: npm token create --read-only --cidr=<cidr-list> while authenticated as the account that will own the token (for example two comma-separated ranges).
You will be prompted for your account password; if two-factor auth is enabled you will also be prompted for the one-time code.
Capture the returned token value printed as Created publish token <id>; the full token is shown only once.
Store the token securely (for example in a secret manager or CI secret) because it cannot be retrieved again later.
Use it in place of login credentials for read-only operations, for example installing private scoped dependencies in CI.
Official docs: https://docs.npmjs.com/cli/v10/commands/npm-token
Known gotchas
The read-only flag marks the token as unable to publish.
The cidr option restricts which source IP ranges may use the token; traffic from outside those ranges is refused.
The command line cannot generate automation tokens; create those from the website if you need a token that never requires an interactive prompt.
The full token is displayed exactly once at creation; if you lose it you must revoke and create a new one.
Token creation is interactive (password, possibly otp), so it is not suitable for headless CI - mint the token once interactively, then reuse it.
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