chore: respect server settings from config (#502)

src/config.ts

@@ -68,6 +68,7 @@ const defaultConfig: FullConfig = {
     allowedOrigins: undefined,
     blockedOrigins: undefined,
   },
+  server: {},
   outputDir: path.join(os.tmpdir(), 'playwright-mcp-output', sanitizeForFilePath(new Date().toISOString())),
 };
 
@@ -81,6 +82,7 @@ export type FullConfig = Config & {
   },
   network: NonNullable<Config['network']>,
   outputDir: string;
+  server: NonNullable<Config['server']>,
 };
 
 export async function resolveConfig(config: Config): Promise<FullConfig> {
@@ -256,6 +258,10 @@ function mergeConfig(base: FullConfig, overrides: Config): FullConfig {
     network: {
       ...pickDefined(base.network),
       ...pickDefined(overrides.network),
-    }
+    },
+    server: {
+      ...pickDefined(base.server),
+      ...pickDefined(overrides.server),
+    },
   } as FullConfig;
 }

src/program.ts

@@ -56,8 +56,8 @@ program
       const server = new Server(config);
       server.setupExitWatchdog();
 
-      if (options.port)
-        startHttpTransport(server, +options.port, options.host);
+      if (config.server.port !== undefined)
+        startHttpTransport(server);
       else
         await startStdioTransport(server);
 

src/transport.ts

@@ -96,7 +96,7 @@ async function handleStreamable(server: Server, req: http.IncomingMessage, res:
   res.end('Invalid request');
 }
 
-export function startHttpTransport(server: Server, port: number, hostname: string | undefined) {
+export function startHttpTransport(server: Server) {
   const sseSessions = new Map<string, SSEServerTransport>();
   const streamableSessions = new Map<string, StreamableHTTPServerTransport>();
   const httpServer = http.createServer(async (req, res) => {
@@ -106,7 +106,8 @@ export function startHttpTransport(server: Server, port: number, hostname: strin
     else
       await handleSSE(server, req, res, url, sseSessions);
   });
-  httpServer.listen(port, hostname, () => {
+  const { host, port } = server.config.server;
+  httpServer.listen(port, host, () => {
     const address = httpServer.address();
     assert(address, 'Could not bind server socket');
     let url: string;