diff --git a/assets/user.css b/assets/user.css
--- a/assets/user.css
+++ b/assets/user.css
@@ -32,7 +32,8 @@
     [href^="https://firefox-sync."],
     [href^="https://pds."],
     [href^="https://knot."],
-    [href^="https://spindle."]
+    [href^="https://spindle."],
+    [href^="https://ncps."]
   )
 ) {
   --access-icon: url("/assets/icons/warning.svg");
@@ -282,6 +283,10 @@
 
 .monitor-site:has(a[href^="https://vaultwarden."][href$="/admin"]) {
   --service-tooltip: "Vaultwarden password vault administration.";
+}
+
+.monitor-site:has(a[href^="https://ncps."]) {
+  --service-tooltip: "Nix binary cache proxy.";
 }
 
 .monitor-site .monitor-site-icon {
diff --git a/config/home.yml b/config/home.yml
--- a/config/home.yml
+++ b/config/home.yml
@@ -82,6 +82,14 @@
 
         - type: monitor
           cache: 8m
+          title: Nix
+          sites:
+            - title: Nix cache proxy
+              url: https://ncps.${GROUND_DOMAIN}
+              icon: /assets/icons/ncps.svg
+
+        - type: monitor
+          cache: 8m
           title: files
           sites:
             - title: copyparty
diff --git a/assets/icons/ncps.svg b/assets/icons/ncps.svg
new file mode 100644
--- /dev/null
+++ b/assets/icons/ncps.svg
@@ -0,0 +1,17 @@
+<svg width="512" height="512" viewBox="0 0 512 512" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <title>NCPS Logo</title>
+  <desc>Logo for the Nix Cache Proxy Server (NCPS) project. It features a hexagonal design with a download arrow and the letters NCPS.</desc>
+  <rect width="512" height="512" rx="100" fill="#24292e"/>
+
+  <g transform="translate(0, -40)">
+    <path d="M256 60L425.7 158V354L256 452L86.3 354V158L256 60Z" stroke="#7ebae4" stroke-width="20" fill="none"/>
+
+    <path d="M176 300L336 300" stroke="#ffffff" stroke-width="24" stroke-linecap="round"/>
+    <path d="M176 360L336 360" stroke="#ffffff" stroke-width="24" stroke-linecap="round"/>
+
+    <path d="M190 220L256 150L322 220" stroke="#5277c3" stroke-width="30" stroke-linecap="round" stroke-linejoin="round" fill="none"/>
+    <path d="M256 260V150" stroke="#5277c3" stroke-width="30" stroke-linecap="round"/>
+  </g>
+
+  <text x="50%" y="480" text-anchor="middle" font-family="monospace" font-weight="bold" font-size="60" fill="#7ebae4" letter-spacing="4">NCPS</text>
+</svg>