diff --git a/package.json b/package.json
index de57379..1be81dd 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,6 @@
 		"test:coverage": "jest --coverage",
 		"lint": "eslint src --ext .ts --config eslint.config.mjs",
 		"format": "prettier --write 'src/**/*.ts' 'scripts/**/*.js'",
-		"cli": "npm run build && node dist/index.js",
 		"mcp:stdio": "TRANSPORT_MODE=stdio npm run build && node dist/index.js",
 		"mcp:http": "TRANSPORT_MODE=http npm run build && node dist/index.js",
 		"mcp:inspect": "TRANSPORT_MODE=http npm run build && (node dist/index.js &) && sleep 2 && npx @modelcontextprotocol/inspector http://localhost:3000/mcp",
diff --git a/src/config/common.schema.ts b/src/config/common.schema.ts
index b6bf4d2..e1b3885 100644
--- a/src/config/common.schema.ts
+++ b/src/config/common.schema.ts
@@ -7,7 +7,15 @@ export const CommonConfigSchema = z.object({
 	serviceName: z.string().default('llm-observability-mcp'),
 	serviceVersion: z.string().default('1.0.0'),
 	environment: z.string().default('development'),
-	debug: z.boolean().default(false),
+	debug: z
+		.preprocess((val) => {
+			if (typeof val === 'string') {
+				if (val.toLowerCase() === 'false') return false;
+				if (val.toLowerCase() === 'true') return true;
+			}
+			return val;
+		}, z.boolean())
+		.default(false),
 	logLevel: z.enum(['debug', 'info', 'warn', 'error']).default('info'),
 });
 
diff --git a/src/index.ts b/src/index.ts
index d480005..32ebc57 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,6 +1,5 @@
 #!/usr/bin/env node
 import { Logger } from './utils/logger.util.js';
-import configLoader from './config/config-loader.js';
 import { stdioTransport } from './server/stdio.js';
 import { streamableHttpTransport } from './server/streamableHttp.js';
 
@@ -42,9 +41,6 @@ export async function startServer(): Promise<void> {
  * Main entry point
  */
 async function main() {
-	// Load configuration
-	configLoader.load();
-
 	// Server mode - determine transport and start server
 	await startServer();
 }
diff --git a/src/services/opentelemetry-llm.service.ts b/src/services/opentelemetry-llm.service.ts
index ab01ddd..48cdf38 100644
--- a/src/services/opentelemetry-llm.service.ts
+++ b/src/services/opentelemetry-llm.service.ts
@@ -98,6 +98,8 @@ export class OpenTelemetryService {
 				[ATTR_SERVICE_NAME]: this.config.serviceName,
 				[ATTR_SERVICE_VERSION]: this.config.serviceVersion,
 				[SEMRESATTRS_DEPLOYMENT_ENVIRONMENT]: this.config.environment,
+				debug: this.config.debug,
+				logLevel: this.config.logLevel,
 			});
 
 			// Configure metric exporter