otplib
TypeScript library for generating and verifying TOTP and HOTP one-time passwords.
Auth and security libraries npm MIT
Used in agent projects
20
0.2% of 12,697 public repos built with AI coding agents
Rank in auth and security libraries
#47 of 47
by use in those projects
Downloads
3.7M
npm, last 7 days, otplib
GitHub stars
2,294
last push Oct 4, 2026
How otplib is used
otplib is a dependency in 20 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.2%), #47 of 47 in auth and security libraries. The most used alternative there is NextAuth.js. Projects that use it most often also use dotenv (65.0%), Nodemailer (60.0%), Tailwind Merge (60.0%).
Often used with otplib
| dotenv | 65.0% of otplib projects · 4.1× more than average |
|---|---|
| Nodemailer | 60.0% of otplib projects · 32.8× more than average |
| Tailwind Merge | 60.0% of otplib projects · 3.6× more than average |
| Class Variance Authority | 55.0% of otplib projects · 3.9× more than average |
| clsx | 60.0% of otplib projects · 3.4× more than average |
| Playwright (JavaScript) | 50.0% of otplib projects · 5.7× more than average |
| qrcode (JavaScript) | 50.0% of otplib projects · 38.9× more than average |
| Vitest | 50.0% of otplib projects · 4.1× more than average |
By coding agent
| Claude Code | 0.3% of projects set up for it |
|---|---|
| GitHub Copilot | 0.3% of projects set up for it |
| Cursor | 0.2% of projects set up for it |
Share of public repos configured for each agent that list otplib as a dependency.
Install
| Package | npm install otplib |
|---|---|
| Main stacks | Next.js (13), TypeScript / JavaScript (6), Python (1) |
| Example projects | rajyraman/Levelup-for-Dynamics-CRM, cryptopayserver00/cryptopayserver, StreamFi-x/streamfi-frontend, gaohongxiang/web3-script, threehappypenguins/VideoSphere |
Alternatives to otplib
| 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 |