diff --git a/src/Integrations/Core/CoreIntegration.php b/src/Integrations/Core/CoreIntegration.php
new file mode 100644
index 0000000..18883c6
--- /dev/null
+++ b/src/Integrations/Core/CoreIntegration.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Integrations\Core;
+
+use LIT\MCP\Access;
+use LIT\MCP\Guides\GuideRepository;
+use LIT\MCP\Integrations\Integration;
+
+final class CoreIntegration implements Integration
+{
+    public function __construct(private string $guidesDirectory)
+    {
+    }
+
+    public function id(): string
+    {
+        return 'core';
+    }
+
+    public function isAvailable(): bool
+    {
+        return true;
+    }
+
+    public function abilities(): array
+    {
+        return [
+            new GuideAbility(new GuideRepository($this->guidesDirectory)),
+            new SiteStatusAbility(new EnvironmentProbe(), new Access()),
+        ];
+    }
+}
diff --git a/src/Integrations/Core/EnvironmentProbe.php b/src/Integrations/Core/EnvironmentProbe.php
new file mode 100644
index 0000000..7e059b7
--- /dev/null
+++ b/src/Integrations/Core/EnvironmentProbe.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Integrations\Core;
+
+/**
+ * Detects the themes/plugins LIT MCP integrates with.
+ */
+class EnvironmentProbe
+{
+    /** @return list<array{id: string, active: bool, version: ?string}> */
+    public function components(): array
+    {
+        $theme = wp_get_theme();
+        $isDivi = $theme->get_template() === 'Divi';
+        $parent = $theme->parent();
+        $diviVersion = $isDivi ? (string) ($parent ? $parent->get('Version') : $theme->get('Version')) : null;
+
+        $tecActive = class_exists('Tribe__Events__Main');
+
+        return [
+            ['id' => 'divi', 'active' => $isDivi, 'version' => $diviVersion],
+            [
+                'id' => 'pods',
+                'active' => defined('PODS_VERSION'),
+                'version' => defined('PODS_VERSION') ? (string) PODS_VERSION : null,
+            ],
+            [
+                'id' => 'the-events-calendar',
+                'active' => $tecActive,
+                'version' => $tecActive ? (string) constant('Tribe__Events__Main::VERSION') : null,
+            ],
+        ];
+    }
+}
diff --git a/src/Integrations/Core/SiteStatusAbility.php b/src/Integrations/Core/SiteStatusAbility.php
new file mode 100644
index 0000000..fd43c2a
--- /dev/null
+++ b/src/Integrations/Core/SiteStatusAbility.php
@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Integrations\Core;
+
+use LIT\MCP\Abilities\Ability;
+use LIT\MCP\Access;
+use WP_Error;
+
+final class SiteStatusAbility implements Ability
+{
+    public function __construct(private EnvironmentProbe $probe, private Access $access)
+    {
+    }
+
+    public function name(): string
+    {
+        return 'lit/site-status';
+    }
+
+    public function label(): string
+    {
+        return 'Website-Status';
+    }
+
+    public function description(): string
+    {
+        return 'Überblick: Website, WordPress-Version, eigener Benutzer und Rollen, '
+            . 'erkannte Integrationen (Divi, Pods, The Events Calendar).';
+    }
+
+    public function inputSchema(): array
+    {
+        return ['type' => 'object', 'properties' => [], 'additionalProperties' => false];
+    }
+
+    public function outputSchema(): ?array
+    {
+        return [
+            'type' => 'object',
+            'properties' => [
+                'site' => ['type' => 'object'],
+                'wordpress' => ['type' => 'string'],
+                'user' => ['type' => 'object'],
+                'allowed_roles' => ['type' => 'array', 'items' => ['type' => 'string']],
+                'components' => ['type' => 'array'],
+            ],
+            'required' => ['site', 'wordpress', 'user', 'allowed_roles', 'components'],
+        ];
+    }
+
+    public function annotations(): array
+    {
+        return ['readonly' => true, 'destructive' => false, 'idempotent' => true];
+    }
+
+    public function isDirect(): bool
+    {
+        return true;
+    }
+
+    public function permission(array $input): bool|WP_Error
+    {
+        return true;
+    }
+
+    public function execute(array $input): mixed
+    {
+        $user = wp_get_current_user();
+
+        return [
+            'site' => ['name' => get_bloginfo('name'), 'url' => home_url()],
+            'wordpress' => get_bloginfo('version'),
+            'user' => ['id' => $user->ID, 'roles' => array_values($user->roles)],
+            'allowed_roles' => $this->access->allowedRoles(),
+            'components' => $this->probe->components(),
+        ];
+    }
+}
diff --git a/tests/Unit/Integrations/Core/CoreIntegrationTest.php b/tests/Unit/Integrations/Core/CoreIntegrationTest.php
new file mode 100644
index 0000000..a93088d
--- /dev/null
+++ b/tests/Unit/Integrations/Core/CoreIntegrationTest.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Tests\Unit\Integrations\Core;
+
+use LIT\MCP\Integrations\Core\CoreIntegration;
+use LIT\MCP\Tests\Unit\TestCase;
+
+final class CoreIntegrationTest extends TestCase
+{
+    public function testIsAlwaysAvailableAndProvidesGuideAndStatus(): void
+    {
+        $core = new CoreIntegration(dirname(__DIR__, 3) . '/Fixtures/guides');
+
+        self::assertSame('core', $core->id());
+        self::assertTrue($core->isAvailable());
+        self::assertSame(
+            ['lit/guide', 'lit/site-status'],
+            array_map(static fn ($a) => $a->name(), $core->abilities())
+        );
+    }
+}
diff --git a/tests/Unit/Integrations/Core/SiteStatusAbilityTest.php b/tests/Unit/Integrations/Core/SiteStatusAbilityTest.php
new file mode 100644
index 0000000..4382bc8
--- /dev/null
+++ b/tests/Unit/Integrations/Core/SiteStatusAbilityTest.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Tests\Unit\Integrations\Core;
+
+use Brain\Monkey\Functions;
+use LIT\MCP\Access;
+use LIT\MCP\Integrations\Core\EnvironmentProbe;
+use LIT\MCP\Integrations\Core\SiteStatusAbility;
+use LIT\MCP\Tests\Unit\TestCase;
+use Mockery;
+use WP_User;
+
+final class SiteStatusAbilityTest extends TestCase
+{
+    public function testReportsSiteUserAndComponents(): void
+    {
+        Functions\when('get_bloginfo')->alias(static fn (string $key) => ['name' => 'Kunde', 'version' => '7.0.3'][$key]);
+        Functions\when('home_url')->justReturn('https://kunde.de');
+        Functions\when('wp_get_current_user')->justReturn(new WP_User(3, ['editor']));
+        Functions\when('get_option')->justReturn(['administrator', 'editor']);
+
+        // EnvironmentProbe is deliberately non-final so it can be mocked; Access is final, so use the real one.
+        $probe = Mockery::mock(EnvironmentProbe::class);
+        $probe->allows('components')->andReturn([['id' => 'divi', 'active' => true, 'version' => '5.2.1']]);
+
+        $result = (new SiteStatusAbility($probe, new Access()))->execute([]);
+
+        self::assertSame(['name' => 'Kunde', 'url' => 'https://kunde.de'], $result['site']);
+        self::assertSame('7.0.3', $result['wordpress']);
+        self::assertSame(['id' => 3, 'roles' => ['editor']], $result['user']);
+        self::assertSame(['administrator', 'editor'], $result['allowed_roles']);
+        self::assertSame('divi', $result['components'][0]['id']);
+    }
+}