Authlib
Ultimate Python library for building OAuth and OpenID Connect servers and clients.
Auth and security libraries PyPI BSD-3-Clause
Used in agent projects
27
0.2% of 12,697 public repos built with AI coding agents
Rank in auth and security libraries
#37 of 47
by use in those projects
Downloads
28M
PyPI, last 7 days, authlib
GitHub stars
5,430
last push Oct 10, 2026
How Authlib is used
Authlib is a dependency in 27 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.2%), #37 of 47 in auth and security libraries. The most used alternative there is NextAuth.js. Projects that use it most often also use python-dotenv (85.2%), Pydantic (81.5%), cryptography (77.8%).
Often used with Authlib
| python-dotenv | 85.2% of Authlib projects · 13.1× more than average |
|---|---|
| Pydantic | 81.5% of Authlib projects · 15.9× more than average |
| cryptography | 77.8% of Authlib projects · 46.4× more than average |
| Uvicorn | 74.1% of Authlib projects · 17.3× more than average |
| PyYAML | 74.1% of Authlib projects · 24.4× more than average |
| python-multipart | 70.4% of Authlib projects · 41.2× more than average |
| Requests | 66.7% of Authlib projects · 12.5× more than average |
| FastAPI | 63.0% of Authlib projects · 14.9× more than average |
By coding agent
| GitHub Copilot | 0.6% of projects set up for it |
|---|---|
| Claude Code | 0.4% of projects set up for it |
| Cursor | 0.3% of projects set up for it |
Share of public repos configured for each agent that list Authlib as a dependency.
Install
| Package | pip install authlib |
|---|---|
| Main stacks | Python (25), Next.js (2) |
| Example projects | learntocloud/learn-to-cloud-app, twjackysu/TWSEMCPServer, RoboFinSystems/robosystems, synapticore-io/marimo-flow, daniel-ospina/tortoise |
Alternatives to Authlib
| 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 |