solo2-cli ☆
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Description:
CLI to update and use Solo 2 security keys
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @solokeysdev  |  formulae.brew.sh
Category: Security
Tags: security fido2 webauthn hardware-key cli solokeys
Install: brew install solo2-cli
About:
Solo2-CLI is a command-line interface tool designed to manage and update Solo 2 open-source security keys. It enables users to flash firmware, configure device settings, and perform FIDO2/WebAuthn operations directly from the terminal. This tool provides essential functionality for developers and security enthusiasts working with hardware authentication devices.
Key Features:
  • Firmware updating and flashing capabilities
  • Device configuration and management
  • FIDO2/WebAuthn command-line operations
  • Cross-platform support via Homebrew
  • Open-source security key management
Use Cases:
  • Updating firmware on Solo 2 security keys for security patches
  • Configuring FIDO2 authentication settings for development environments
  • Managing multiple security keys in enterprise or development workflows
  • Troubleshooting and diagnosing hardware security key issues
Alternatives:
  • YubiKey Manager (ykman) – YubiKey-specific tool with broader enterprise features, while Solo2-CLI is specialized for Solo 2 devices
  • FIDO2 CLI tools – Generic FIDO2 tools that work across devices, but lack Solo 2-specific firmware management
Version History
Detected Version Rev Change Commit
Sep 14, 2025 4:11am 0 VERSION_BUMP 1dec7d94
Nov 3, 2024 5:55am 0 VERSION_BUMP b7818aab
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