onlykey-agent ☆
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Description:
Middleware that lets you use OnlyKey as a hardware SSH/GPG device
Type: Formula  |  Latest Version: 1.1.15@11  |  Tracked Since: Oct 14, 2025
Links: Homepage  |  @OnlyKeyToken  |  formulae.brew.sh
Category: Security
Tags: ssh gpg security hardware-token encryption authentication
Install: brew install onlykey-agent
About:
OnlyKey Agent acts as middleware that enables a OnlyKey hardware device to function as a smart card for SSH and GPG operations. It facilitates secure key generation, storage, and signing operations directly on the hardware, ensuring private keys never leave the device. This enhances security for developers by providing a physical factor of authentication for encrypted communications.
Key Features:
  • Hardware-backed SSH and GPG key storage
  • Touch button confirmation for signing operations
  • FIDO2/U2F support for two-factor authentication
  • Cross-platform compatibility
Use Cases:
  • Securing SSH access to production servers
  • Signing Git commits with a hardware token
  • Managing multiple cryptographic identities securely
Alternatives:
  • YubiKey – Similar hardware security functionality, but requires proprietary firmware unlike the open-source OnlyKey
  • 1Password SSH agent – Software-based solution that lacks physical hardware confirmation for key usage
Version History
Detected Version Rev Change Commit
Jan 22, 2026 11:00pm 11 REVISION_ONLY b6eed65f
Jan 10, 2026 5:54pm 10 REVISION_ONLY 08b9b10e
Jan 7, 2026 5:01pm 9 REVISION_ONLY dbf2998b
Oct 14, 2025 3:02am 7 VERSION_BUMP 73164823
Sep 16, 2025 9:23am 7 VERSION_BUMP bf4e8067
Oct 9, 2024 8:20pm 4 VERSION_BUMP 1ba4887b
Sep 13, 2024 6:13pm 4 VERSION_BUMP 067f3cff
Sep 13, 2024 5:27am 4 VERSION_BUMP c8249256
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