How do I use the SSH agent in headless Linux?

I figured that might be the case but I'm worried it'll try to install a whole X environment due to the many dependencies it wants:

# apt install 1password
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
  adwaita-icon-theme at-spi2-common at-spi2-core dconf-gsettings-backend dconf-service gnupg2
  gsettings-desktop-schemas gtk-update-icon-cache hicolor-icon-theme libatk-bridge2.0-0 libatk1.0-0
  libatspi2.0-0 libauthen-sasl-perl libavahi-client3 libavahi-common-data libavahi-common3
  libayatana-appindicator1 libayatana-appindicator3-1 libayatana-ido3-0.4-0 libayatana-indicator3-7
  libayatana-indicator7 libclone-perl libcolord2 libcups2 libdata-dump-perl libdbusmenu-glib4
  libdbusmenu-gtk3-4 libdbusmenu-gtk4 libdconf1 libegl-mesa0 libegl1 libencode-locale-perl
  libfile-basedir-perl libfile-desktopentry-perl libfile-listing-perl libfile-mimeinfo-perl
  libfont-afm-perl libfontenc1 libgail-common libgail18 libgles2 libgtk-3-0 libgtk-3-bin
  libgtk-3-common libgtk2.0-0 libgtk2.0-bin libgtk2.0-common libhtml-form-perl libhtml-format-perl
  libhtml-parser-perl libhtml-tagset-perl libhtml-tree-perl libhttp-cookies-perl libhttp-daemon-perl
  libhttp-date-perl libhttp-message-perl libhttp-negotiate-perl libice6 libio-html-perl
  libio-socket-ssl-perl libio-stringy-perl libipc-system-simple-perl liblwp-mediatypes-perl
  liblwp-protocol-https-perl libmailtools-perl libnet-dbus-perl libnet-http-perl libnet-smtp-ssl-perl
  libnet-ssleay-perl libnotify4 libnspr4 libnss3 libregexp-ipv6-perl libsm6 libtie-ixhash-perl
  libtimedate-perl libtry-tiny-perl liburi-perl libwww-perl libwww-robotrules-perl
  libx11-protocol-perl libxaw7 libxcomposite1 libxdamage1 libxft2 libxinerama1 libxkbfile1
  libxml-parser-perl libxml-twig-perl libxml-xpathengine-perl libxmu6 libxmuu1 libxt6 libxtst6
  libxxf86dga1 perl-openssl-defaults x11-utils x11-xserver-utils xdg-utils zutty
Suggested packages:
  libdigest-hmac-perl libgssapi-perl colord cups-common gvfs libcrypt-ssleay-perl notification-daemon
  libsub-name-perl libbusiness-isbn-perl libauthen-ntlm-perl libunicode-map8-perl
  libunicode-string-perl xml-twig-tools debhelper mesa-utils nickle cairo-5c xorg-docs-core