diff --git a/index.html b/index.html
index 6b3c499..9fbe26e 100644
--- a/index.html
+++ b/index.html
@@ -44,10 +44,11 @@ <h2>Monaco Editor React</h2>
         <br>
 
         <h1>Verification</h1>
-        Here the bundles are used instead of the direct sources.<br>
-        For the "Static HTTP Server Alternative" you need to run  <b><code>npm run start --workspace packages/examples</code></b>  as well.
+        Here the bundles are used instead of the direct sources.
 
         <h2>Monaco Editor Wrapper Bundle Verification</h2>
+        For the "Static HTTP Server Alternative" please start  <b><code>npm run start:http</code></b> </code></b> beforehand.<br>
+
         <a href="./packages/examples/verify_wrapper.html">JavaScript Diff</a>
         (<a href="http://localhost:20002/verify_wrapper.html">Static HTTP Server Alternative</a>)
         <br>
diff --git a/package.json b/package.json
index 33866d4..aa0428a 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
     "test:run": "node --experimental-import-meta-resolve ./node_modules/vitest/vitest.mjs -c vite.config.ts --run",
     "release:prepare": "npm run reset:repo && npm ci && npm run lint && npm run build && npm run test:run",
     "reset:repo": "git clean -f -X -d",
+    "start:http": "npm run start:http --workspace packages/examples",
     "start:example:server:json": "npm run start:server:json --workspace packages/examples",
     "start:example:server:python": "npm run start:server:python --workspace packages/examples"
   },
diff --git a/packages/examples/package.json b/packages/examples/package.json
index 637920b..030f088 100644
--- a/packages/examples/package.json
+++ b/packages/examples/package.json
@@ -52,7 +52,7 @@
     "copy:all": "npm run copy:prepare && npm run copy:workers",
     "build:bundle:wrapper": "vite --config  vite.bundle-mew.ts build",
     "build": "npm run clean && npm run compile && npm run build:bundle:wrapper && npm run copy:all",
-    "start": "http-server --port 20002 ./",
+    "start:http": "http-server --port 20002 ./",
     "start:server:json": "node --loader ts-node/esm ./src/servers/json-server.ts",
     "start:server:python": "node --loader ts-node/esm ./src/servers/python-server.ts"
   }
diff --git a/packages/examples/src/reactPython.tsx b/packages/examples/src/reactPython.tsx
index dda7d2d..b2dae0c 100644
--- a/packages/examples/src/reactPython.tsx
+++ b/packages/examples/src/reactPython.tsx
@@ -41,7 +41,9 @@ const userConfig: UserConfig = {
                 },
                 reportStatus: true,
             }
-        }, configurationOptions: {
+        },
+        clientOptions: {
+            documentSelector: ['python'],
             workspaceFolder: {
                 index: 0,
                 name: 'workspace',
diff --git a/packages/monaco-editor-wrapper/CHANGELOG.md b/packages/monaco-editor-wrapper/CHANGELOG.md
index d006d3f..eb11337 100644
--- a/packages/monaco-editor-wrapper/CHANGELOG.md
+++ b/packages/monaco-editor-wrapper/CHANGELOG.md
@@ -5,6 +5,8 @@ All notable changes to npm module [monaco-editor-wrapper](https://www.npmjs.com/
 ## [3.6.0] - 2024-01-04
 
 - Updated to `monaco-languageclient@7.3.0` and `@codingame/monaco-vscode-api@1.85.0` / `@codingame/monaco-editor-treemended@1.85.0` (=`monaco-editor@0.45.0`).
+- How to modify client's capabilities? [#61](https://github.com/TypeFox/monaco-components/issues/61)
+  - It is now possible to provide and fully override boh monaco-languageclient's clientOptions and connectionProvider
 
 ## [3.5.0] - 2023-11-07
 
diff --git a/packages/monaco-editor-wrapper/src/languageClientWrapper.ts b/packages/monaco-editor-wrapper/src/languageClientWrapper.ts
index 23f2c1a..533b874 100644
--- a/packages/monaco-editor-wrapper/src/languageClientWrapper.ts
+++ b/packages/monaco-editor-wrapper/src/languageClientWrapper.ts
@@ -1,9 +1,8 @@
-import { initServices, InitializeServiceConfig, MonacoLanguageClient } from 'monaco-languageclient';
+import { initServices, InitializeServiceConfig, MonacoLanguageClient, IConnectionProvider } from 'monaco-languageclient';
 import { toSocket, WebSocketMessageReader, WebSocketMessageWriter } from 'vscode-ws-jsonrpc';
 import { BrowserMessageReader, BrowserMessageWriter } from 'vscode-languageserver-protocol/browser.js';
-import { CloseAction, ErrorAction, MessageTransports, State } from 'vscode-languageclient/lib/common/client.js';
+import { CloseAction, ErrorAction, LanguageClientOptions, MessageTransports, State } from 'vscode-languageclient/lib/common/client.js';
 import { createUrl } from './utils.js';
-import { $ConfigurationOptions } from 'vscode-languageclient/lib/common/configuration.js';
 import { Logger } from './logger.js';
 
 export type WebSocketCallOptions = {
@@ -59,9 +58,8 @@ export type WorkerConfigDirect = LanguageClientConfigBase & {
 
 export type LanguageClientConfig = {
     options: WebSocketConfigOptions | WebSocketConfigOptionsUrl | WorkerConfigOptions | WorkerConfigDirect;
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    initializationOptions?: any;
-    configurationOptions?: $ConfigurationOptions
+    clientOptions?: LanguageClientOptions;
+    connectionProvider?: IConnectionProvider;
 }
 
 export type LanguageClientError = {
@@ -251,28 +249,30 @@ export class LanguageClientWrapper {
     }
 
     private createLanguageClient(transports: MessageTransports): MonacoLanguageClient {
-        return new MonacoLanguageClient({
+        const mlcConfig = {
             name: this.languageClientConfig?.options.name ?? 'Monaco Wrapper Language Client',
-            clientOptions: {
-                // use a language id as a document selector
+
+            // allow to fully override the clientOptions
+            clientOptions: this.languageClientConfig?.clientOptions ?? {
                 documentSelector: [this.languageId!],
                 // disable the default error handler
                 errorHandler: {
                     error: () => ({ action: ErrorAction.Continue }),
                     closed: () => ({ action: CloseAction.DoNotRestart })
-                },
-                // allow to initialize the language client with user specific options
-                initializationOptions: this.languageClientConfig?.initializationOptions,
-
-                ...(this.languageClientConfig?.configurationOptions ?? {})
+                }
             },
-            // create a language client connection from the JSON RPC connection on demand
-            connectionProvider: {
+            // allow to fully override the clonnecetionProvider
+            connectionProvider: this.languageClientConfig?.connectionProvider ?? {
                 get: () => {
                     return Promise.resolve(transports);
                 }
             }
-        });
+        };
+        if (!mlcConfig.clientOptions.documentSelector?.includes(this.languageId)) {
+            throw new Error(`languageClientWrapper (${this.name}): The language id '${this.languageId}' is not included in the document selector.`);
+        }
+
+        return new MonacoLanguageClient(mlcConfig);
     }
 
     private disposeWorker(keepWorker?: boolean) {