diff --git a/src/app/clients/jellyfin/JellyfinClient.ts b/src/app/clients/jellyfin/JellyfinClient.ts
new file mode 100644
index 0000000..4fd5be7
--- /dev/null
+++ b/src/app/clients/jellyfin/JellyfinClient.ts
@@ -0,0 +1,61 @@
+import { ApiClient } from '../../../core/http/ApiClient';
+import type { Movie } from '../../models';
+import { ItemsEndpoint } from './endpoints/ItemsEndpoint';
+
+export class JellyfinClient extends ApiClient {
+  private readonly endpoint = new ItemsEndpoint();
+
+  constructor(
+    baseUrl: string,
+    private readonly apiKey: string,
+    private readonly userId: string
+  ) {
+    super(baseUrl);
+  }
+
+  protected buildHeaders(): Record<string, string> {
+    return {
+      ...super.buildHeaders(),
+      Authorization: `MediaBrowser Token="${this.apiKey}"`,
+    };
+  }
+
+  getFavoriteMovies(): Promise<Movie[]> {
+    return this.request(this.endpoint, {
+      userId: this.userId,
+      query: {
+        IncludeItemTypes: 'Movie',
+        Recursive: 'true',
+        IsFavorite: 'true',
+        Fields: 'ProviderIds,Genres,CommunityRating,UserData',
+      },
+    });
+  }
+
+  getRecentlyWatched(): Promise<Movie[]> {
+    return this.request(this.endpoint, {
+      userId: this.userId,
+      query: {
+        IncludeItemTypes: 'Movie',
+        Recursive: 'true',
+        Filters: 'IsPlayed',
+        SortBy: 'DatePlayed',
+        SortOrder: 'Descending',
+        Limit: '50',
+        Fields: 'ProviderIds,Genres,CommunityRating,UserData',
+      },
+    });
+  }
+
+  getAllMovies(): Promise<Movie[]> {
+    return this.request(this.endpoint, {
+      userId: this.userId,
+      query: {
+        IncludeItemTypes: 'Movie',
+        Recursive: 'true',
+        Fields: 'ProviderIds',
+        Limit: '10000',
+      },
+    });
+  }
+}
diff --git a/src/app/clients/jellyfin/endpoints/ItemsEndpoint.ts b/src/app/clients/jellyfin/endpoints/ItemsEndpoint.ts
new file mode 100644
index 0000000..86af8e5
--- /dev/null
+++ b/src/app/clients/jellyfin/endpoints/ItemsEndpoint.ts
@@ -0,0 +1,46 @@
+import { Endpoint, type HttpMethod } from '../../../../core/http/Endpoint';
+import type { Movie } from '../../../models';
+
+interface JellyfinItem {
+  Name: string;
+  ProductionYear: number;
+  ProviderIds: Record<string, string>;
+  Genres: string[];
+  CommunityRating: number;
+  UserData: { IsFavorite: boolean; PlayCount: number };
+}
+
+interface JellyfinItemsResponse {
+  Items: JellyfinItem[];
+}
+
+export interface ItemsParams {
+  userId: string;
+  query: Record<string, string>;
+}
+
+export class ItemsEndpoint extends Endpoint<Movie[], ItemsParams> {
+  readonly method: HttpMethod = 'GET';
+
+  path(params: ItemsParams): string {
+    return `/Users/${params.userId}/Items`;
+  }
+
+  query(params: ItemsParams): Record<string, string> {
+    return params.query;
+  }
+
+  parseResponse(json: unknown): Movie[] {
+    const response = json as JellyfinItemsResponse;
+    return response.Items.map((item) => ({
+      name: item.Name,
+      year: item.ProductionYear,
+      imdbId: item.ProviderIds?.Imdb ?? '',
+      tmdbId: item.ProviderIds?.Tmdb ?? '',
+      genres: item.Genres ?? [],
+      communityRating: item.CommunityRating ?? 0,
+      isFavorite: item.UserData?.IsFavorite ?? false,
+      playCount: item.UserData?.PlayCount ?? 0,
+    }));
+  }
+}
diff --git a/test/app/clients/jellyfin/JellyfinClient.test.ts b/test/app/clients/jellyfin/JellyfinClient.test.ts
new file mode 100644
index 0000000..7f540d6
--- /dev/null
+++ b/test/app/clients/jellyfin/JellyfinClient.test.ts
@@ -0,0 +1,72 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import { JellyfinClient } from '../../../../src/app/clients/jellyfin/JellyfinClient';
+
+describe('JellyfinClient', () => {
+  const fetchMock = vi.fn();
+
+  beforeEach(() => {
+    vi.stubGlobal('fetch', fetchMock);
+    fetchMock.mockReset();
+    fetchMock.mockResolvedValue({
+      ok: true,
+      status: 200,
+      text: async () =>
+        JSON.stringify({
+          Items: [
+            {
+              Name: 'Dune',
+              ProductionYear: 2021,
+              ProviderIds: { Imdb: 'tt1160419', Tmdb: '438631' },
+              Genres: ['Sci-Fi'],
+              CommunityRating: 8.0,
+              UserData: { IsFavorite: true, PlayCount: 2 },
+            },
+          ],
+        }),
+    });
+  });
+
+  afterEach(() => {
+    vi.unstubAllGlobals();
+  });
+
+  it('getFavoriteMovies requests favorites and maps the response to Movie[]', async () => {
+    const client = new JellyfinClient('http://jellyfin', 'jf-key', 'user-1');
+    const movies = await client.getFavoriteMovies();
+
+    expect(movies).toEqual([
+      {
+        name: 'Dune',
+        year: 2021,
+        imdbId: 'tt1160419',
+        tmdbId: '438631',
+        genres: ['Sci-Fi'],
+        communityRating: 8.0,
+        isFavorite: true,
+        playCount: 2,
+      },
+    ]);
+
+    const [url, init] = fetchMock.mock.calls[0];
+    expect(url).toContain('/Users/user-1/Items');
+    expect(url).toContain('IsFavorite=true');
+    expect(init.headers.Authorization).toBe('MediaBrowser Token="jf-key"');
+  });
+
+  it('getRecentlyWatched requests played items sorted by date', async () => {
+    const client = new JellyfinClient('http://jellyfin', 'jf-key', 'user-1');
+    await client.getRecentlyWatched();
+
+    const [url] = fetchMock.mock.calls[0];
+    expect(url).toContain('Filters=IsPlayed');
+    expect(url).toContain('SortBy=DatePlayed');
+  });
+
+  it('getAllMovies requests the full library', async () => {
+    const client = new JellyfinClient('http://jellyfin', 'jf-key', 'user-1');
+    await client.getAllMovies();
+
+    const [url] = fetchMock.mock.calls[0];
+    expect(url).toContain('Limit=10000');
+  });
+});