Setup Sigma Auth OAuth integration in a Next.js application. Guides through installing @sigma-auth/better-auth-plugin, configuring environment variables, creating auth client, implementing sign-in flow, and setting up API routes for token exchange with Bitcoin-native authentication.
Install the complete plugin to include its agents, hooks, commands, and runtime context.
Fastest path: hand this line to the coding agent doing the setup. It reads this page and installs the sigma-auth plugin, which ships this skill with everything it relies on.
Click anywhere on the prompt to copy.
Choose a runtime, then follow its setup steps. This installs the complete sigma-auth plugin.
COMPLETE PLUGIN
Example session using the verified commands above.
The portable SKILL.md on its own, without the plugin’s hooks, agents, commands, and companion skills. Use it only when you intentionally want the narrower path.
Pass the canonical page to a teammate or keep it close for later.
