diff --git a/README.md b/README.md
index 5b7d83c..cb2d382 100644
--- a/README.md
+++ b/README.md
@@ -567,6 +567,12 @@ El cliente está en [`TaskStreamClient`](app/Services/TaskStream/TaskStreamClien
 y la lógica (clave, token, errores) en
 [`OpenInTaskStream`](app/Actions/Projects/OpenInTaskStream.php).
 
+
+En la API pública, un proyecto con tablero trae `taskstream` (`key`, `url`,
+`web_url` y `showcase_url`). `showcase_url` es público en TaskStream y devuelve
+su hoja de ruta, sus versiones, el sprint en curso y los tickets etiquetados
+`good-first-issue`, para que la web los enseñe en la página del proyecto.
+
 ## API pública (para el frontend)
 
 Sin autenticación y de solo lectura. Todo lo que devuelve ya está publicado en
diff --git a/app/Http/Resources/PublicApi/PublicProjectResource.php b/app/Http/Resources/PublicApi/PublicProjectResource.php
index dab31ff..8fd4f80 100644
--- a/app/Http/Resources/PublicApi/PublicProjectResource.php
+++ b/app/Http/Resources/PublicApi/PublicProjectResource.php
@@ -6,6 +6,7 @@ namespace App\Http\Resources\PublicApi;
 
 use App\Models\Media;
 use App\Models\Project;
+use App\Services\TaskStream\TaskStreamClient;
 use App\Support\ImagePayload;
 use App\Support\SiteUrls;
 use App\Support\TranslatablePayload;
@@ -110,11 +111,30 @@ class PublicProjectResource extends JsonResource
             // alive without anyone maintaining it.
             'repositories' => PublicRepositoryResource::collection($this->whenLoaded('repositories')),
 
+            // Its board in TaskStream, when it has one: the public site reads
+            // the roadmap, releases and tickets for newcomers from there.
+            'taskstream' => $this->taskstream_key === null ? null : $this->taskstream(),
+
             'alternates' => SiteUrls::alternates($this->resource, 'project'),
             'path' => SiteUrls::alternates($this->resource, 'project')[$locale] ?? null,
         ];
     }
 
+    /**
+     * @return array{key: string, url: string, web_url: string, showcase_url: string}
+     */
+    protected function taskstream(): array
+    {
+        $client = app(TaskStreamClient::class);
+
+        return [
+            'key' => $this->taskstream_key,
+            'url' => $client->projectUrl($this->taskstream_key),
+            'web_url' => $client->webUrl(),
+            'showcase_url' => $client->showcaseUrl($this->taskstream_key),
+        ];
+    }
+
     /**
      * The media row when the caller loaded it, and null otherwise — never a
      * lazy load, because this runs once per row in a listing.
diff --git a/app/Services/TaskStream/TaskStreamClient.php b/app/Services/TaskStream/TaskStreamClient.php
index 817b671..e317e3e 100644
--- a/app/Services/TaskStream/TaskStreamClient.php
+++ b/app/Services/TaskStream/TaskStreamClient.php
@@ -85,4 +85,21 @@ class TaskStreamClient
     {
         return "{$this->webUrl}/p/{$key}";
     }
+
+    /**
+     * The public summary of a board (roadmap, releases, sprint, tickets for
+     * newcomers). Anyone may read it, so the public site can ask directly.
+     */
+    public function showcaseUrl(string $key): string
+    {
+        return "{$this->apiUrl}/api/explore/projects/{$key}/showcase";
+    }
+
+    /**
+     * Where the paths of a showcase (`/p/KEY/issues/KEY-3`) are opened.
+     */
+    public function webUrl(): string
+    {
+        return $this->webUrl;
+    }
 }
diff --git a/public/api-types.d.ts b/public/api-types.d.ts
index 749e830..cdaed06 100644
--- a/public/api-types.d.ts
+++ b/public/api-types.d.ts
@@ -241,6 +241,10 @@ export interface PublicProject {
   lead: PublicMember;
   calls: PublicCall[];
   repositories: PublicRepository[];
+  /**
+   * Its board in TaskStream, if it has one. `showcase_url` answers without a token: roadmap, releases, the sprint under way and tickets labelled good-first-issue.
+   */
+  taskstream?: { key: string; url: string; web_url: string; showcase_url: string };
   alternates: Alternates;
   path?: string;
 }
diff --git a/public/openapi.yaml b/public/openapi.yaml
index 45a43c4..375da4e 100644
--- a/public/openapi.yaml
+++ b/public/openapi.yaml
@@ -5041,6 +5041,15 @@ components:
         repositories:
           type: array
           items: { $ref: "#/components/schemas/PublicRepository" }
+        taskstream:
+          type: object
+          nullable: true
+          description: "Its board in TaskStream, if it has one. `showcase_url` answers without a token: roadmap, releases, the sprint under way and tickets labelled good-first-issue."
+          properties:
+            key: { type: string, example: WEB }
+            url: { type: string, format: uri }
+            web_url: { type: string, format: uri }
+            showcase_url: { type: string, format: uri }
         alternates: { $ref: "#/components/schemas/Alternates" }
         path: { type: string, nullable: true, example: /proyectos/mi-web }
 
diff --git a/tests/Feature/Api/PublicApiTest.php b/tests/Feature/Api/PublicApiTest.php
index f09d8be..3cb1271 100644
--- a/tests/Feature/Api/PublicApiTest.php
+++ b/tests/Feature/Api/PublicApiTest.php
@@ -9,6 +9,7 @@ use App\Models\Member;
 use App\Models\Project;
 use App\Models\Repository;
 use App\Models\Technology;
+use App\Services\TaskStream\TaskStreamClient;
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use PHPUnit\Framework\Attributes\Test;
 use Tests\TestCase;
@@ -63,6 +64,32 @@ class PublicApiTest extends TestCase
         $this->getJson('/api/public/v1/projects/el-meu-projecte')->assertNotFound();
     }
 
+    #[Test]
+    public function it_points_to_the_board_in_taskstream_when_there_is_one(): void
+    {
+        config([
+            'services.taskstream.api_url' => 'https://api.taskstream.test',
+            'services.taskstream.web_url' => 'https://taskstream.test',
+        ]);
+        $this->app->forgetInstance(TaskStreamClient::class);
+        Project::factory()->published()->create([
+            'slug' => ['es' => 'con-tablero'],
+            'taskstream_key' => 'WEB',
+        ]);
+        Project::factory()->published()->create(['slug' => ['es' => 'sin-tablero']]);
+
+        $this->getJson('/api/public/v1/projects/con-tablero')
+            ->assertOk()
+            ->assertJsonPath('data.taskstream', [
+                'key' => 'WEB',
+                'url' => 'https://taskstream.test/p/WEB',
+                'web_url' => 'https://taskstream.test',
+                'showcase_url' => 'https://api.taskstream.test/api/explore/projects/WEB/showcase',
+            ]);
+        $this->getJson('/api/public/v1/projects/sin-tablero')
+            ->assertJsonPath('data.taskstream', null);
+    }
+
     #[Test]
     public function it_returns_hreflang_alternates_for_every_translated_locale(): void
     {