diff --git a/scripts/modules/update-config-tokens.js b/scripts/modules/update-config-tokens.js
new file mode 100644
index 00000000..14e68b2d
--- /dev/null
+++ b/scripts/modules/update-config-tokens.js
@@ -0,0 +1,57 @@
+/**
+ * update-config-tokens.js
+ * Updates config.json with correct maxTokens values from supported-models.json
+ */
+
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import { dirname } from 'path';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+/**
+ * Updates the config file with correct maxTokens values from supported-models.json
+ * @param {string} configPath - Path to the config.json file to update
+ * @returns {boolean} True if successful, false otherwise
+ */
+export function updateConfigMaxTokens(configPath) {
+	try {
+		// Load supported models
+		const supportedModelsPath = path.join(__dirname, 'supported-models.json');
+		const supportedModels = JSON.parse(
+			fs.readFileSync(supportedModelsPath, 'utf-8')
+		);
+
+		// Load config
+		const config = JSON.parse(fs.readFileSync(configPath, 'utf-8'));
+
+		// Update each role's maxTokens if the model exists in supported-models.json
+		const roles = ['main', 'research', 'fallback'];
+
+		for (const role of roles) {
+			if (config.models && config.models[role]) {
+				const provider = config.models[role].provider;
+				const modelId = config.models[role].modelId;
+
+				// Find the model in supported models
+				if (supportedModels[provider]) {
+					const modelData = supportedModels[provider].find(
+						(m) => m.id === modelId
+					);
+					if (modelData && modelData.max_tokens) {
+						config.models[role].maxTokens = modelData.max_tokens;
+					}
+				}
+			}
+		}
+
+		// Write back the updated config
+		fs.writeFileSync(configPath, JSON.stringify(config, null, 2));
+		return true;
+	} catch (error) {
+		console.error('Error updating config maxTokens:', error.message);
+		return false;
+	}
+}