@curveball/a12n-server NPM

`@curveball/a12n-server`: A simple authentication server

a12n is short for "authentication".

a12n-server is a simple authentication server that implements the OAuth2 and OpenID Connect standards. It's goals is to create a fast, lightweight server that can be quickly deployed on both dev machines and in production.

a12n-server home screenshot

Requirements

Node.js > 18.x
MySQL, Postgres or Sqlite

Try it out!

Get a test server by running:

mkdir a12n-server && cd a12n-server
npx @curveball/a12n-server

This will automatically create a configuration file and sqlite database in the current directory.

Then, just open http://localhost:8531/ to create your admin account. See Getting started for more ways to run the server.

Contributing or just curious about the code?

Run from source or run the codebase with Docker

🍭 Features

This project has been used in production since 2018 and continues to be actively maintained.

Instead of rolling your own authentication system, you get A LOT of features for free 🪄:

Supported Features	Details
User Management	• Create, update, delete and list users with our User API• Password reset/recovery flow
Authentication Methods	• Username/password login• Multi-factor authentication (MFA): • TOTP (Time-based One-Time Passcodes with Google Authenticator)• Email one-time codes• WebAuthN hardware keys
Authorization	• Role-based access control (RBAC)• Groups and permissions management• Fine-grained access policies
OAuth2 Support	• Multiple grant types (Authorization code, client credentials, etc)• Token introspection and revocation• PKCE for enhanced security• JWT access tokens (RFC 9068)
OpenID Connect	• Standard OIDC configuration endpoints• Discovery document• JSON Web Key Sets (JWKS)• Multiple response types
Developer Experience	• Browser-based admin UI• Browsable REST API with HTML and JSON responses • Signup and login views included