@auth/core
Flexible authentication library for web applications with built-in provider integrations.
Auth and security libraries npm ISC
Used in agent projects
26
0.2% of 12,697 public repos built with AI coding agents
Rank in auth and security libraries
#39 of 47
by use in those projects
Downloads
4.9M
npm, last 7 days, @auth/core
GitHub stars
28.4K
last push Jul 22, 2026
How @auth/core is used
@auth/core is a dependency in 26 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.2%), #39 of 47 in auth and security libraries. The most used alternative there is NextAuth.js. Projects that use it most often also use clsx (100.0%), Tailwind Merge (100.0%), Class Variance Authority (96.2%).
Often used with @auth/core
| clsx | 100.0% of @auth/core projects · 5.6× more than average |
|---|---|
| Tailwind Merge | 100.0% of @auth/core projects · 5.9× more than average |
| Class Variance Authority | 96.2% of @auth/core projects · 6.8× more than average |
| Radix UI | 84.6% of @auth/core projects · 7.1× more than average |
| Lucide React | 84.6% of @auth/core projects · 4.3× more than average |
| date-fns | 73.1% of @auth/core projects · 8.6× more than average |
| NextAuth.js | 73.1% of @auth/core projects · 34.9× more than average |
| Zod | 73.1% of @auth/core projects · 4.3× more than average |
By coding agent
| Cursor | 0.4% of projects set up for it |
|---|---|
| Claude Code | 0.3% of projects set up for it |
| GitHub Copilot | 0.2% of projects set up for it |
Share of public repos configured for each agent that list @auth/core as a dependency.
Install
| Package | npm install @auth/core |
|---|---|
| Main stacks | Next.js (20), TypeScript / JavaScript (5), React Native / Expo (1) |
| Example projects | veithly/BountyBoard |
Alternatives to @auth/core
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| NextAuth.js npm Complete open-source authentication solution designed for Next.js applications. |
266 (2.1%) | 6.7M | 28.4K | ISC |
| bcryptjs npm Pure JavaScript bcrypt implementation for secure password hashing without dependencies. |
256 (2.0%) | 14.7M | 3,797 | BSD-3-Clause |
| jsonwebtoken npm Create, verify and decode JSON Web Tokens for authentication and secure data transmission. |
241 (1.9%) | 59.3M | 18.2K | MIT |
| cryptography pypi Python library providing cryptographic recipes and primitives for secure applications. |
213 (1.7%) | 281M | 7,803 | — |
| jose npm Comprehensive JWT and JWK handling for Node.js and web runtimes. |
141 (1.1%) | 151M | 7,824 | MIT |
| PyJWT pypi Python library for encoding and decoding JSON Web Tokens. |
128 (1.0%) | 154M | 5,714 | — |
| Better Auth npm Comprehensive authentication framework for TypeScript with multiple strategies. |
126 (1.0%) | 11.4M | 30.2K | MIT |
| Helmet npm Express middleware that sets HTTP security headers to prevent vulnerabilities. |
125 (1.0%) | 16.2M | 10.7K | MIT |