diff --git a/.github/workflows/canary.yml b/.github/workflows/canary.yml
index 05d9c4a..de93de9 100644
--- a/.github/workflows/canary.yml
+++ b/.github/workflows/canary.yml
@@ -39,7 +39,11 @@ jobs:
               {
                 "name": "wp-packages",
                 "type": "composer",
-                "url": "https://repo.wp-packages.org"
+                "url": "https://repo.wp-packages.org",
+                "only": [
+                    "wp-plugin/*",
+                    "wp-theme/*"
+                ]
               }
             ],
             "require": {
diff --git a/README.md b/README.md
index caa5978..9ecd853 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,11 @@ Add the repository to your `composer.json`:
     {
       "name": "wp-packages",
       "type": "composer",
-      "url": "https://repo.wp-packages.org"
+      "url": "https://repo.wp-packages.org",
+      "only": [
+          "wp-plugin/*",
+          "wp-theme/*"
+      ]
     }
   ],
   "require": {
@@ -100,7 +104,11 @@ A typical [Bedrock](https://roots.io/bedrock/) project uses `roots/wordpress` fo
     {
       "name": "wp-packages",
       "type": "composer",
-      "url": "https://repo.wp-packages.org"
+      "url": "https://repo.wp-packages.org",
+      "only": [
+          "wp-plugin/*",
+          "wp-theme/*"
+      ]
     }
   ],
   "require": {
diff --git a/internal/http/templates/compare.html b/internal/http/templates/compare.html
index f23bf3d..9d2be5d 100644
--- a/internal/http/templates/compare.html
+++ b/internal/http/templates/compare.html
@@ -212,7 +212,7 @@ <h3 class="text-lg font-bold mb-6">Manually migrate</h3>
 <div class="flex w-8 h-8 shrink-0 items-center justify-center rounded-full bg-brand-primary text-white text-sm font-bold">2</div>
 <div>
 <p class="text-gray-600 mb-2">Remove the wpackagist repository and add WP Packages:</p>
-<div class="bg-gray-50 rounded-lg px-4 py-2.5 font-mono text-sm overflow-x-auto">composer config --unset repositories.wpackagist &amp;&amp; composer config repositories.wp-packages composer https://repo.wp-packages.org</div>
+<div class="bg-gray-50 rounded-lg px-4 py-2.5 font-mono text-sm overflow-x-auto">composer config --unset repositories.wpackagist &amp;&amp; composer config repositories.wp-packages '{"type":"composer","url":"https://repo.wp-packages.org","only":["wp-plugin/*","wp-theme/*"]}'</div>
 </div>
 </div>
 <div class="flex gap-4">
diff --git a/internal/http/templates/index.html b/internal/http/templates/index.html
index 4f3abd3..94e15fe 100644
--- a/internal/http/templates/index.html
+++ b/internal/http/templates/index.html
@@ -25,9 +25,12 @@ <h1 class="text-4xl sm:text-5xl lg:text-6xl font-bold tracking-tight text-gray-9
 <h2 class="text-lg text-gray-500 max-w-xl mx-auto mb-2 text-balance">Composer repository for WordPress plugins and themes.</h2>
 <h3 class="text-base text-gray-500 max-w-xl mx-auto mb-4 text-balance">A 17x faster, fully open-source alternative to WPackagist that updates every 5 minutes.</h3>
 <p class="mb-8"><a href="/wp-packages-vs-wpackagist" class="text-sm font-medium text-brand-primary hover:underline">See how WP Packages compares to WPackagist &rarr;</a></p>
-<div class="inline-flex items-center gap-3 rounded-xl border border-gray-200/80 bg-gray-100/50 px-4 py-2.5 cursor-pointer hover:border-gray-300 transition-colors max-w-full overflow-x-auto" onclick="copyCmd(this,'composer config repositories.wp-packages composer https://repo.wp-packages.org')">
+<div
+  class="inline-flex items-center gap-3 rounded-xl border border-gray-200/80 bg-gray-100/50 px-4 py-2.5 cursor-pointer hover:border-gray-300 transition-colors max-w-full overflow-x-auto"
+  onclick="copyCmd(this,'composer config repositories.wp-packages \'{&quot;type&quot;:&quot;composer&quot;,&quot;url&quot;:&quot;https://repo.wp-packages.org&quot;,&quot;only&quot;:[&quot;wp-plugin/*&quot;,&quot;wp-theme/*&quot;]}\'')"
+>
 <span class="text-gray-500 text-sm font-mono select-none shrink-0">$</span>
-<code class="text-sm font-mono text-gray-900 select-all whitespace-nowrap">composer config repositories.wp-packages composer https://repo.wp-packages.org</code>
+<code class="text-xs font-mono text-gray-900 select-all whitespace-nowrap">composer config repositories.wp-packages '{"type":"composer","url":"https://repo.wp-packages.org","only":["wp-plugin/*","wp-theme/*"]}'</code>
 <button aria-label="Copy to clipboard" class="text-gray-400 hover:text-gray-900 transition-colors ml-1 cursor-pointer">
 <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" d="M15.666 3.888A2.25 2.25 0 0 0 13.5 2.25h-3c-1.03 0-1.9.693-2.166 1.638m7.332 0c.055.194.084.4.084.612v0a.75.75 0 0 1-.75.75H9.75a.75.75 0 0 1-.75-.75v0c0-.212.03-.418.084-.612m7.332 0c.646.049 1.288.11 1.927.184 1.1.128 1.907 1.077 1.907 2.185V19.5a2.25 2.25 0 0 1-2.25 2.25H6.75A2.25 2.25 0 0 1 4.5 19.5V6.257c0-1.108.806-2.057 1.907-2.185a48.208 48.208 0 0 1 1.927-.184"/></svg>
 </button>
@@ -110,7 +113,11 @@ <h2 class="text-2xl font-bold mb-4">Usage</h2>
     {
       <span class="text-green-700">"name"</span>: <span class="text-green-700">"wp-packages"</span>,
       <span class="text-green-700">"type"</span>: <span class="text-green-700">"composer"</span>,
-      <span class="text-green-700">"url"</span>: <span class="text-green-700">"https://repo.wp-packages.org"</span>
+      <span class="text-green-700">"url"</span>: <span class="text-green-700">"https://repo.wp-packages.org"</span>,
+      <span class="text-green-700">"only"</span>: [
+          <span class="text-green-700">"wp-plugin/*"</span>,
+          <span class="text-green-700">"wp-theme/*"</span>
+      ]
     }
   ],
   <span class="text-green-700">"require"</span>: {
@@ -165,7 +172,7 @@ <h3 class="text-lg font-bold mb-6">Manually migrate</h3>
 <div class="flex w-8 h-8 shrink-0 items-center justify-center rounded-full bg-brand-primary text-white text-sm font-bold">2</div>
 <div>
 <p class="text-gray-600 mb-2">Remove the wpackagist repository and add WP Packages:</p>
-<div class="bg-gray-50 rounded-lg px-4 py-2.5 font-mono text-sm overflow-x-auto">composer config --unset repositories.wpackagist &amp;&amp; composer config repositories.wp-packages composer https://repo.wp-packages.org</div>
+<div class="bg-gray-50 rounded-lg px-4 py-2.5 font-mono text-sm overflow-x-auto">composer config --unset repositories.wpackagist &amp;&amp; composer config repositories.wp-packages '{"type":"composer","url":"https://repo.wp-packages.org","only":["wp-plugin/*","wp-theme/*"]}'</div>
 </div>
 </div>
 <div class="flex gap-4">
diff --git a/internal/http/templates/roots_wordpress.html b/internal/http/templates/roots_wordpress.html
index 47be694..f039bfa 100644
--- a/internal/http/templates/roots_wordpress.html
+++ b/internal/http/templates/roots_wordpress.html
@@ -86,7 +86,11 @@ <h3 class="text-lg font-semibold text-gray-900 mb-3">Standard (recommended)</h3>
     {
       <span class="text-green-700">"name"</span>: <span class="text-green-700">"wp-packages"</span>,
       <span class="text-green-700">"type"</span>: <span class="text-green-700">"composer"</span>,
-      <span class="text-green-700">"url"</span>: <span class="text-green-700">"https://repo.wp-packages.org"</span>
+      <span class="text-green-700">"url"</span>: <span class="text-green-700">"https://repo.wp-packages.org"</span>,
+      <span class="text-green-700">"only"</span>: [
+          <span class="text-green-700">"wp-plugin/*"</span>,
+          <span class="text-green-700">"wp-theme/*"</span>
+      ]
     }
   ],
   <span class="text-green-700">"require"</span>: {
diff --git a/scripts/migrate-from-wpackagist.sh b/scripts/migrate-from-wpackagist.sh
index 3bb5391..2e02d8d 100755
--- a/scripts/migrate-from-wpackagist.sh
+++ b/scripts/migrate-from-wpackagist.sh
@@ -88,7 +88,11 @@ jq --indent "$INDENT" '
     {
       "name": "wp-packages",
       "type": "composer",
-      "url": "https://repo.wp-packages.org"
+      "url": "https://repo.wp-packages.org",
+      "only": [
+          "wp-plugin/*",
+          "wp-theme/*"
+      ]
     };
 
   # Replace wpackagist repository with wp-packages (handles both array and object formats)