diff --git a/packages/plugin-anthropic/src/index.ts b/packages/plugin-anthropic/src/index.ts
index 9c3418566c1..7cdde4c6208 100644
--- a/packages/plugin-anthropic/src/index.ts
+++ b/packages/plugin-anthropic/src/index.ts
@@ -20,10 +20,12 @@ export const anthropicPlugin: Plugin = {
   async init(config: Record<string, string>) {
     try {
       const validatedConfig = await configSchema.parseAsync(config);
-      // Set all validated configuration values as environment variables.
-      Object.entries(validatedConfig).forEach(([key, value]) => {
+
+      // Set all environment variables at once
+      for (const [key, value] of Object.entries(validatedConfig)) {
         if (value) process.env[key] = value;
-      });
+      }
+      
       // (Optional) If the Anthropics SDK supports API key verification,
       // you might add a check here.
     } catch (error) {
diff --git a/packages/plugin-openai/src/index.ts b/packages/plugin-openai/src/index.ts
index f3897d2eeae..be4cf054df3 100644
--- a/packages/plugin-openai/src/index.ts
+++ b/packages/plugin-openai/src/index.ts
@@ -50,9 +50,9 @@ export const openaiPlugin: Plugin = {
       const validatedConfig = await configSchema.parseAsync(config);
 
       // Set all environment variables at once
-      Object.entries(validatedConfig).forEach(([key, value]) => {
+      for (const [key, value] of Object.entries(validatedConfig)) {
         if (value) process.env[key] = value;
-      });
+      }
 
       // Verify API key
       const baseURL =