sigma-auth
Sigma Auth - Bitcoin-native OAuth with Better Auth, BAP identity, and comprehensive authentication patterns

- REPOSITORY
- b-open-io/better-auth-plugin
- PUBLISHED REF
- master
- IMMUTABLE SNAPSHOT
- b555877194ce3771506c9021ac2933495cf282f7
One source. Every runtime.
Complete-plugin installation is the recommended path. It preserves the runtime capabilities the publisher ships alongside its skills.
Codex
Grok Build
Optional — add the marketplace to browse and install other bOpen plugins.
Native plugin delivery
The Claude manifest delivers the plugin through Claude Code’s own marketplace and capability model.
Native plugin delivery
The Codex manifest exposes the same source through Codex-native skills, with optional custom-agent adapters where the plugin publishes an agent.
Portable knowledge
Skill folders remain usable by compatible hosts without mislabeling portable skills as a native plugin.
What the plugin includes
- SKILLS
- 6
- AGENTS
- 1
- HOOKS
- 0
- COMMANDS
- 1
- APPS
- 0
- MCP
- 0
Skills in sigma-auth
bitcoin-auth-diagnostics
Diagnose and troubleshoot bitcoin-auth token generation and verification issues. This skill should be used when users encounter authentication failures, signature verification errors, or integration problems with the bitcoin-auth library.

codex-agent-setup
Explicit-only installer for the Sigma Auth Siggy Codex custom agent. Use ONLY when the user explicitly asks to install, update, check, uninstall, or set up the Sigma Auth or Siggy Codex agent, including "install Siggy in Codex", "update the Sigma Auth Codex agent", or "check sigma_auth_guide". Never auto-invoke for ordinary OAuth, authentication, Better Auth, BAP, wallet, session, passkey, or security requests.
device-authorization
This skill should be used when the user asks to "implement device auth", "add device authorization", "authenticate desktop app", "authenticate CLI tool", "device code flow", "RFC 8628", "poll for token", "get user info after device auth", or mentions authenticating apps that can't handle browser redirects. Provides step-by-step guidance for device authorization with Sigma Identity.
setup-convex
Setup Sigma Auth OAuth integration in a Convex application. Guides through installing @sigma-auth/better-auth-plugin, configuring Convex environment variables, and setting up the auth server.
setup-nextjs
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.
tokenpass
This skill should be used when the user asks about "TokenPass", "install TokenPass", "run TokenPass server", "TokenPass desktop app", "TokenPass API", "personal identity server", "be your own OAuth provider", or needs help setting up, configuring, or integrating TokenPass Server or Desktop applications. Provides installation, configuration, and API integration guidance.