diff --git a/.github/workflows/p2-site.yml b/.github/workflows/p2-site.yml
index fb60e75..de96036 100644
--- a/.github/workflows/p2-site.yml
+++ b/.github/workflows/p2-site.yml
@@ -30,6 +30,17 @@ jobs:
           cache: maven
       - name: Build and verify p2 repository
         run: ./mvnw --batch-mode clean verify
+      - name: Assert p2 repository metadata
+        run: |
+          test -f "$P2_REPO/p2.index"
+          test -f "$P2_REPO/content.jar"
+          test -f "$P2_REPO/artifacts.jar"
+          test -f "$P2_REPO/content.xml"
+          test -f "$P2_REPO/artifacts.xml"
+          test -f "$P2_REPO/site.xml"
+          grep -q 'org.eclipse.egit.pullrequest.feature' "$P2_REPO/content.xml"
+          test -n "$(find "$P2_REPO/features" -name 'org.eclipse.egit.pullrequest.feature_*.jar')"
+          test -n "$(find "$P2_REPO/plugins" -name 'org.eclipse.egit.pullrequest_*.jar')"
       - name: Resolve feature installation
         run: >-
           ./mvnw --batch-mode --non-recursive
@@ -78,9 +89,12 @@ jobs:
           rm -rf p2
           mkdir p2
           cp -a "$SITE"/. p2/
+          org.eclipse.egit.pullrequest.repository/finalize-p2-repository.sh p2
           # Browsers get install instructions; p2 clients ignore index.html
-          # because they request content.jar and artifacts.jar by name.
-          cp site/p2-index.html p2/index.html
+          # because they request content.xml / content.jar by name.
+          test -f p2/p2.index
+          test -f p2/content.xml
+          test -f p2/artifacts.xml
       - name: Commit the published update site
         run: |
           git config user.name 'github-actions[bot]'
diff --git a/AGENTS.md b/AGENTS.md
index ee49c66..61e5720 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -150,22 +150,24 @@ ALL source files must include EPL-2.0 header:
 eclipse-pullrequest-plugin/
 ├── pom.xml                                    # Parent POM
 ├── org.eclipse.egit.pullrequest.target/       # Target platform
-├── org.eclipse.egit.pullrequest/              # Main plugin (37 Java files)
+├── org.eclipse.egit.pullrequest/              # Main plugin
 │   ├── src/org/eclipse/egit/pullrequest/
 │   │   ├── Activator.java                     # Bundle activator
 │   │   └── internal/
-│   │       ├── model/                         # Data models (4 files)
-│   │       ├── client/                        # Abstraction layer (4 files)
-│   │       ├── bitbucket/                     # Bitbucket provider (2 files)
-│   │       ├── github/                        # GitHub provider (3 files)
+│   │       ├── model/                         # Data models
+│   │       ├── client/                        # Abstraction layer
+│   │       ├── bitbucket/                     # Bitbucket provider
+│   │       ├── github/                        # GitHub provider
 │   │       └── ui/                            # Synchronize/compare integration
 │   ├── META-INF/MANIFEST.MF                   # OSGi bundle manifest
 │   ├── plugin.xml                             # Extension points
 │   └── plugin.properties                      # Externalized strings
-└── org.eclipse.egit.pullrequest.test/         # Test fragment (2 test files)
-    └── src/org/eclipse/egit/pullrequest/internal/
-        ├── bitbucket/BitbucketClientTest.java
-        └── github/GitHubJsonParserTest.java
+├── org.eclipse.egit.pullrequest.test/         # Test fragment
+├── org.eclipse.egit.pullrequest.feature/      # Installable feature
+└── org.eclipse.egit.pullrequest.repository/   # Update site / p2 repository
+    ├── category.xml                           # p2 categories (Tycho)
+    ├── site.xml                               # Classic Eclipse update site
+    └── finalize-p2-repository.sh              # p2.index + uncompressed XML
 ```
 
 ### Key Packages
diff --git a/README.md b/README.md
index b8bd319..7854b77 100644
--- a/README.md
+++ b/README.md
@@ -71,8 +71,11 @@ Before building this plugin, you must build JGit and EGit to create their p2 rep
 ```
 
 The p2 update site is written to
-`org.eclipse.egit.pullrequest.repository/target/repository/`. Add that
-folder in Eclipse as a local repository to test a build before publishing.
+`org.eclipse.egit.pullrequest.repository/target/repository/`. That
+folder is a complete Equinox p2 repository (`p2.index`, `content.xml`,
+`artifacts.xml`, and the compressed `.jar` / `.xz` variants) plus a
+classic `site.xml`. Add the folder in Eclipse as a local repository to
+test a build before publishing.
 
 #### Build without tests:
 ```bash
diff --git a/org.eclipse.egit.pullrequest.repository/build.properties b/org.eclipse.egit.pullrequest.repository/build.properties
index 432ad98..74f8d12 100644
--- a/org.eclipse.egit.pullrequest.repository/build.properties
+++ b/org.eclipse.egit.pullrequest.repository/build.properties
@@ -1 +1,2 @@
-bin.includes = category.xml
+bin.includes = category.xml,\
+               site.xml
diff --git a/org.eclipse.egit.pullrequest.repository/category.xml b/org.eclipse.egit.pullrequest.repository/category.xml
index e12fbbb..ea896bf 100644
--- a/org.eclipse.egit.pullrequest.repository/category.xml
+++ b/org.eclipse.egit.pullrequest.repository/category.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <site>
-   <feature
-         url="features/org.eclipse.egit.pullrequest.feature_7.6.0.qualifier.jar"
-         id="org.eclipse.egit.pullrequest.feature"
-         version="7.6.0.qualifier">
+   <description url="https://github.com/Philipp0205/eclipse-pull-request-plugin">
+      Pull Request Review update site.
+   </description>
+   <feature id="org.eclipse.egit.pullrequest.feature" version="0.0.0">
       <category name="pullrequest"/>
    </feature>
    <category-def name="pullrequest" label="Pull Request Review">
diff --git a/org.eclipse.egit.pullrequest.repository/finalize-p2-repository.sh b/org.eclipse.egit.pullrequest.repository/finalize-p2-repository.sh
new file mode 100755
index 0000000..f7ced63
--- /dev/null
+++ b/org.eclipse.egit.pullrequest.repository/finalize-p2-repository.sh
@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+#*******************************************************************************
+# Copyright (C) 2026, Philipp Hoenisch and others
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#*******************************************************************************
+#
+# Finish a Tycho eclipse-repository so it is a complete p2 update site:
+# uncompressed XML (GitHub Pages friendly), p2.index covering every
+# metadata format that is present, plus site.xml and a browser landing page.
+
+set -euo pipefail
+
+if [ "$#" -ne 1 ]; then
+	echo "usage: $0 <repository-directory>" >&2
+	exit 1
+fi
+
+REPO=$1
+if [ ! -d "$REPO" ]; then
+	echo "not a directory: $REPO" >&2
+	exit 1
+fi
+
+SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+
+unzip_jar() {
+	jar=$1
+	xml=$2
+	if [ -f "$REPO/$jar" ] && [ ! -f "$REPO/$xml" ]; then
+		unzip -o -d "$REPO" "$REPO/$jar"
+	fi
+}
+
+unzip_jar content.jar content.xml
+unzip_jar artifacts.jar artifacts.xml
+
+append_if_present() {
+	var_name=$1
+	file=$2
+	if [ -f "$REPO/$file" ]; then
+		eval "$var_name=\${$var_name}${file},"
+	fi
+}
+
+meta_order=
+art_order=
+append_if_present meta_order content.xml.xz
+append_if_present meta_order content.xml
+append_if_present meta_order content.jar
+append_if_present art_order artifacts.xml.xz
+append_if_present art_order artifacts.xml
+append_if_present art_order artifacts.jar
+
+cat > "$REPO/p2.index" <<EOF
+version=1
+metadata.repository.factory.order=${meta_order}!
+artifact.repository.factory.order=${art_order}!
+EOF
+
+if [ -f "$SCRIPT_DIR/site.xml" ]; then
+	cp "$SCRIPT_DIR/site.xml" "$REPO/site.xml"
+fi
+
+ROOT_DIR=$(CDPATH= cd -- "$SCRIPT_DIR/.." && pwd)
+if [ -f "$ROOT_DIR/site/p2-index.html" ]; then
+	cp "$ROOT_DIR/site/p2-index.html" "$REPO/index.html"
+fi
diff --git a/org.eclipse.egit.pullrequest.repository/pom.xml b/org.eclipse.egit.pullrequest.repository/pom.xml
index 5b9bfd4..ea415e6 100644
--- a/org.eclipse.egit.pullrequest.repository/pom.xml
+++ b/org.eclipse.egit.pullrequest.repository/pom.xml
@@ -25,6 +25,10 @@
   <packaging>eclipse-repository</packaging>
 
   <name>Pull Request Review Update Site</name>
+  <description>
+    Tycho p2 repository and Eclipse update site for the Pull Request
+    Review feature.
+  </description>
 
   <build>
     <plugins>
@@ -36,8 +40,31 @@
           <includeAllDependencies>false</includeAllDependencies>
           <createArtifactRepository>true</createArtifactRepository>
           <compress>true</compress>
+          <xzCompress>true</xzCompress>
+          <repositoryName>Pull Request Review</repositoryName>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <version>3.5.0</version>
+        <executions>
+          <execution>
+            <id>finalize-p2-repository</id>
+            <phase>verify</phase>
+            <goals>
+              <goal>exec</goal>
+            </goals>
+            <configuration>
+              <executable>bash</executable>
+              <arguments>
+                <argument>${project.basedir}/finalize-p2-repository.sh</argument>
+                <argument>${project.build.directory}/repository</argument>
+              </arguments>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>
 
diff --git a/org.eclipse.egit.pullrequest.repository/site.xml b/org.eclipse.egit.pullrequest.repository/site.xml
new file mode 100644
index 0000000..67872e5
--- /dev/null
+++ b/org.eclipse.egit.pullrequest.repository/site.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<site>
+   <description url="https://philipp0205.github.io/eclipse-pull-request-plugin/p2/">
+      Pull Request Review update site.
+   </description>
+   <feature
+         url="features/org.eclipse.egit.pullrequest.feature_7.6.0.qualifier.jar"
+         id="org.eclipse.egit.pullrequest.feature"
+         version="7.6.0.qualifier">
+      <category name="pullrequest"/>
+   </feature>
+   <category-def name="pullrequest" label="Pull Request Review">
+      <description>
+         Review GitHub and Bitbucket pull requests from inside Eclipse.
+      </description>
+   </category-def>
+</site>