Installation
System wide:
{
environment.systemPackages = with nix-casks.packages.${system}; [
headroom # Headroom
];
} Home Manager:
{
home.packages = with nix-casks.packages.${system}; [
headroom # Headroom
];
} Package Definition
{
"pname": "headroom",
"version": "0.7.9",
"src": {
"url": "https://github.com/gglucass/headroom-desktop/releases/download/v0.7.9/Headroom_0.7.9_mac.dmg",
"sha256": "b6a611e04a5aeb52c8d74e96838ce644065e664139bdb568f75c7c63be7a7519"
},
"installPhase": [
"mkdir -p \"$out/Applications/Headroom.app\" && cp -r \"Headroom.app\" \"$out/Applications\""
],
"meta": {
"description": "Reduce token usage for Claude Code and Codex",
"homepage": "https://extraheadroom.com/"
}
} Version History
0.8.4 (NixCasks v4)
21 August 2026, 00:00 0.8.3 (NixCasks v4)
19 August 2026, 00:00 0.8.2 (NixCasks v4)
18 August 2026, 00:00 0.8.1 (NixCasks v4)
15 August 2026, 00:00 0.8.0 (NixCasks v4)
14 August 2026, 00:00 0.7.9 (NixCasks v4)
13 August 2026, 00:00 0.7.8 (NixCasks v4)
12 August 2026, 00:00 0.7.7 (NixCasks v4)
11 August 2026, 00:00