How To Implement JWT Authentication In Command-Line Applications

If you've ever built or used a command-line interface (CLI) tool, you know that authentication can be a tricky puzzle to solve. Getting this authentication flow right makes the difference between a tool people love using and one they constantly fight with. In this post, I'll explore what seems to be the most practical approach to CLI authentication: combining initial authentication (either through email/password or OAuth) with a dual-token system. While other methods certainly work for specific use cases, this approach appears to be a sweet spot for many applications.

Apr 24, 2025 - 06:11
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How To Implement JWT Authentication In Command-Line Applications

If you've ever built or used a command-line interface (CLI) tool, you know that authentication can be a tricky puzzle to solve. Getting this authentication flow right makes the difference between a tool people love using and one they constantly fight with.

In this post, I'll explore what seems to be the most practical approach to CLI authentication: combining initial authentication (either through email/password or OAuth) with a dual-token system. While other methods certainly work for specific use cases, this approach appears to be a sweet spot for many applications.