diff --git a/app/Mcp/Servers/AdminNativePhpServer.php b/app/Mcp/Servers/AdminNativePhpServer.php
index cab5ae5b..e47f767c 100644
--- a/app/Mcp/Servers/AdminNativePhpServer.php
+++ b/app/Mcp/Servers/AdminNativePhpServer.php
@@ -10,6 +10,7 @@
 use App\Mcp\Tools\Admin\AdminListBlogPosts;
 use App\Mcp\Tools\Admin\AdminListCompanies;
 use App\Mcp\Tools\Admin\AdminListSignups;
+use App\Mcp\Tools\Admin\AdminPublishBlogPost;
 use App\Mcp\Tools\Admin\AdminSalesSummary;
 use App\Mcp\Tools\Admin\AdminSearchPlugins;
 use App\Mcp\Tools\Admin\AdminSearchSupportTickets;
@@ -30,7 +31,7 @@ class AdminNativePhpServer extends Server
 
         Rules:
         - Never return passwords, remember tokens, GitHub tokens, license keys, Stripe secrets, or raw API credentials.
-        - Blog: create/update unpublished drafts in v1 (no publish tool; slug changes refused once published).
+        - Blog: create/update drafts; publish via admin-publish-blog-post (sets published_at like Filament; idempotent if already live). Slug changes refused once published. No unpublish tool yet.
         - Media: upload via admin-upload-media to the public disk (default directory website-images; pass directory: "blog/heroes" for Filament article heroes). Optionally attach in one shot with article_id/slug only when directory is blog/heroes; or set hero on admin-update-blog-post via media_id/path or URL.
         - Other tools are read-only ops helpers (signups, users, companies, plugins, sales summaries, support).
 
@@ -38,11 +39,12 @@ class AdminNativePhpServer extends Server
         1. admin-create-blog-post — create an unpublished article.
         2. admin-upload-media — upload an image (base64 → public disk WebP); optional directory (default website-images); for heroes pass directory: "blog/heroes" and optional article_id/slug attach.
         3. admin-update-blog-post — patch title/content/excerpt/slug/hero (no publish/unpublish).
-        4. admin-get-blog-post / admin-list-blog-posts — inspect drafts and published posts.
-        5. admin-list-signups / admin-search-users / admin-get-user — user support lookups.
-        6. admin-list-companies / admin-get-company — email-domain company rollups.
-        7. admin-search-plugins / admin-sales-summary — marketplace/plugin ops (no secrets).
-        8. admin-search-support-tickets / admin-get-support-ticket — support summaries.
+        4. admin-publish-blog-post — publish by id/slug (optional published_at; default now; idempotent).
+        5. admin-get-blog-post / admin-list-blog-posts — inspect drafts and published posts.
+        6. admin-list-signups / admin-search-users / admin-get-user — user support lookups.
+        7. admin-list-companies / admin-get-company — email-domain company rollups.
+        8. admin-search-plugins / admin-sales-summary — marketplace/plugin ops (no secrets).
+        9. admin-search-support-tickets / admin-get-support-ticket — support summaries.
     MARKDOWN;
 
     /**
@@ -52,6 +54,7 @@ class AdminNativePhpServer extends Server
         AdminCreateBlogPost::class,
         AdminUploadMedia::class,
         AdminUpdateBlogPost::class,
+        AdminPublishBlogPost::class,
         AdminGetBlogPost::class,
         AdminListBlogPosts::class,
         AdminListSignups::class,
diff --git a/app/Mcp/Tools/Admin/AdminPublishBlogPost.php b/app/Mcp/Tools/Admin/AdminPublishBlogPost.php
new file mode 100644
index 00000000..fe0ad488
--- /dev/null
+++ b/app/Mcp/Tools/Admin/AdminPublishBlogPost.php
@@ -0,0 +1,90 @@
+<?php
+
+namespace App\Mcp\Tools\Admin;
+
+use App\Filament\Resources\ArticleResource;
+use App\Mcp\Tools\Concerns\RequiresAdmin;
+use App\Models\Article;
+use Illuminate\Contracts\JsonSchema\JsonSchema;
+use Illuminate\JsonSchema\Types\Type;
+use Illuminate\Support\Facades\Date;
+use Laravel\Mcp\Request;
+use Laravel\Mcp\Response;
+use Laravel\Mcp\Server\Attributes\Description;
+use Laravel\Mcp\Server\Attributes\Name;
+use Laravel\Mcp\Server\Tool;
+
+#[Name('admin-publish-blog-post')]
+#[Description('Publish a blog article by id or slug the same way Filament does (sets published_at via Article::publish). Optional published_at (ISO8601); defaults to now. Idempotent if already published — returns current state without error. Does not unpublish.')]
+class AdminPublishBlogPost extends Tool
+{
+    use RequiresAdmin;
+
+    public function handle(Request $request): Response
+    {
+        if ($denied = $this->ensureAdmin($request)) {
+            return $denied;
+        }
+
+        $validated = $request->validate([
+            'id' => ['nullable', 'integer', 'min:1'],
+            'slug' => ['nullable', 'string', 'max:255'],
+            'published_at' => ['nullable', 'date'],
+        ]);
+
+        if (empty($validated['id']) && empty($validated['slug'])) {
+            return Response::error('Provide id or slug.');
+        }
+
+        $article = Article::query()
+            ->when(! empty($validated['id']), fn ($q) => $q->where('id', $validated['id']))
+            ->when(empty($validated['id']) && ! empty($validated['slug']), fn ($q) => $q->where('slug', $validated['slug']))
+            ->first();
+
+        if (! $article) {
+            return Response::error('Article not found.');
+        }
+
+        if (! $article->isPublished()) {
+            $on = array_key_exists('published_at', $validated) && filled($validated['published_at'] ?? null)
+                ? Date::parse($validated['published_at'])
+                : null;
+
+            $article->publish($on);
+            $article = $article->fresh();
+        }
+
+        $editUrl = null;
+
+        try {
+            $editUrl = ArticleResource::getUrl('edit', ['record' => $article]);
+        } catch (\Throwable) {
+            $editUrl = url('/admin/articles/'.$article->id.'/edit');
+        }
+
+        $publicUrl = route('article', $article);
+
+        return Response::text($this->toJson([
+            'id' => $article->id,
+            'slug' => $article->slug,
+            'title' => $article->title,
+            'published' => $article->isPublished(),
+            'published_at' => optional($article->published_at)?->toIso8601String(),
+            'admin_edit_url' => $editUrl,
+            'public_url' => $publicUrl,
+            'preview_url' => $publicUrl,
+        ]));
+    }
+
+    /**
+     * @return array<string, Type>
+     */
+    public function schema(JsonSchema $schema): array
+    {
+        return [
+            'id' => $schema->integer()->description('Article id.'),
+            'slug' => $schema->string()->description('Article slug (used when id is omitted).'),
+            'published_at' => $schema->string()->description('Optional ISO8601 publish time. Defaults to now when omitted. Ignored when the article is already published (idempotent).'),
+        ];
+    }
+}
diff --git a/tests/Feature/Mcp/AdminMcpOAuthTest.php b/tests/Feature/Mcp/AdminMcpOAuthTest.php
index 07ebbfef..c2acfc36 100644
--- a/tests/Feature/Mcp/AdminMcpOAuthTest.php
+++ b/tests/Feature/Mcp/AdminMcpOAuthTest.php
@@ -85,6 +85,7 @@ public function test_admin_can_connect_via_oauth_and_use_admin_mcp_server(): voi
         $this->assertContains('admin-create-blog-post', $names);
         $this->assertContains('admin-upload-media', $names);
         $this->assertContains('admin-update-blog-post', $names);
+        $this->assertContains('admin-publish-blog-post', $names);
         $this->assertContains('admin-list-signups', $names);
         $this->assertContains('admin-list-companies', $names);
         $this->assertContains('admin-search-plugins', $names);
@@ -411,4 +412,105 @@ public function test_update_blog_post_can_rename_draft_slug(): void
         $this->assertSame('new-draft-slug', $payload['slug']);
         $this->assertSame('new-draft-slug', $article->fresh()->slug);
     }
+
+    public function test_publish_blog_post_publishes_draft_by_id(): void
+    {
+        $article = Article::factory()->create([
+            'author_id' => $this->admin->id,
+            'slug' => 'draft-to-publish',
+            'title' => 'Ready to Ship',
+            'published_at' => null,
+        ]);
+
+        $tokens = $this->issueMcpOAuthTokens($this->admin);
+        $response = $this->callMcpTool($tokens['access_token'], 'admin-publish-blog-post', [
+            'id' => $article->id,
+        ])->assertOk();
+
+        $this->assertFalse($response->json('result.isError'));
+        $payload = json_decode((string) data_get($response->json(), 'result.content.0.text'), true);
+
+        $this->assertSame($article->id, $payload['id']);
+        $this->assertSame('draft-to-publish', $payload['slug']);
+        $this->assertSame('Ready to Ship', $payload['title']);
+        $this->assertTrue($payload['published']);
+        $this->assertNotNull($payload['published_at']);
+        $this->assertNotEmpty($payload['admin_edit_url']);
+        $this->assertNotEmpty($payload['public_url']);
+        $this->assertStringContainsString('draft-to-publish', $payload['public_url']);
+
+        $article->refresh();
+        $this->assertNotNull($article->published_at);
+        $this->assertTrue($article->isPublished());
+    }
+
+    public function test_publish_blog_post_by_slug_with_custom_published_at(): void
+    {
+        $article = Article::factory()->create([
+            'author_id' => $this->admin->id,
+            'slug' => 'schedule-via-mcp',
+            'published_at' => null,
+        ]);
+
+        $tokens = $this->issueMcpOAuthTokens($this->admin);
+        $when = now()->subDay()->startOfSecond();
+        $response = $this->callMcpTool($tokens['access_token'], 'admin-publish-blog-post', [
+            'slug' => 'schedule-via-mcp',
+            'published_at' => $when->toIso8601String(),
+        ])->assertOk();
+
+        $this->assertFalse($response->json('result.isError'));
+        $payload = json_decode((string) data_get($response->json(), 'result.content.0.text'), true);
+
+        $this->assertTrue($payload['published']);
+        $article->refresh();
+        $this->assertTrue($article->published_at->equalTo($when));
+    }
+
+    public function test_publish_blog_post_is_idempotent_when_already_published(): void
+    {
+        $original = now()->subDays(3)->startOfSecond();
+        $article = Article::factory()->create([
+            'author_id' => $this->admin->id,
+            'slug' => 'already-live',
+            'title' => 'Already Live',
+            'published_at' => $original,
+        ]);
+
+        $tokens = $this->issueMcpOAuthTokens($this->admin);
+        $response = $this->callMcpTool($tokens['access_token'], 'admin-publish-blog-post', [
+            'id' => $article->id,
+            'published_at' => now()->toIso8601String(),
+        ])->assertOk();
+
+        $this->assertFalse($response->json('result.isError'));
+        $payload = json_decode((string) data_get($response->json(), 'result.content.0.text'), true);
+
+        $this->assertTrue($payload['published']);
+        $this->assertSame('Already Live', $payload['title']);
+        $article->refresh();
+        $this->assertTrue($article->published_at->equalTo($original));
+    }
+
+    public function test_publish_blog_post_missing_article(): void
+    {
+        $tokens = $this->issueMcpOAuthTokens($this->admin);
+        $response = $this->callMcpTool($tokens['access_token'], 'admin-publish-blog-post', [
+            'id' => 999999,
+        ])->assertOk();
+
+        $this->assertTrue($response->json('result.isError'));
+        $text = (string) data_get($response->json(), 'result.content.0.text');
+        $this->assertStringContainsString('Article not found', $text);
+    }
+
+    public function test_publish_blog_post_requires_id_or_slug(): void
+    {
+        $tokens = $this->issueMcpOAuthTokens($this->admin);
+        $response = $this->callMcpTool($tokens['access_token'], 'admin-publish-blog-post', [])->assertOk();
+
+        $this->assertTrue($response->json('result.isError'));
+        $text = (string) data_get($response->json(), 'result.content.0.text');
+        $this->assertStringContainsString('Provide id or slug', $text);
+    }
 }