diff --git a/.env.example b/.env.example
index c8b9f67..e32df34 100644
--- a/.env.example
+++ b/.env.example
@@ -1,20 +1,20 @@
-# REQUIRED - Sandboxes for code execution
-# Get yours at https://e2b.dev
-E2B_API_KEY=your_e2b_api_key_here
+# Required
+FIRECRAWL_API_KEY=your_firecrawl_api_key  # Get from https://firecrawl.dev (Web scraping)
 
-# REQUIRED - Web scraping for cloning websites
-# Get yours at https://firecrawl.dev
-FIRECRAWL_API_KEY=your_firecrawl_api_key_here
+# Vercel Sandbox Authentication (choose one method)
+# See: https://vercel.com/docs/vercel-sandbox#authentication
 
-# OPTIONAL - AI Providers (need at least one)
-# Get yours at https://console.anthropic.com
-ANTHROPIC_API_KEY=your_anthropic_api_key_here
+# Method 1: OIDC Token (recommended for development)
+# Run `vercel link` then `vercel env pull` to get VERCEL_OIDC_TOKEN automatically
+# VERCEL_OIDC_TOKEN=auto_generated_by_vercel_env_pull
 
-# Get yours at https://platform.openai.com
-OPENAI_API_KEY=your_openai_api_key_here
+# Method 2: Personal Access Token (for production or when OIDC unavailable)
+# VERCEL_TEAM_ID=team_xxxxxxxxx      # Your Vercel team ID 
+# VERCEL_PROJECT_ID=prj_xxxxxxxxx    # Your Vercel project ID
+# VERCEL_TOKEN=vercel_xxxxxxxxxxxx   # Personal access token from Vercel dashboard
 
-# Get yours at https://aistudio.google.com/app/apikey
-GEMINI_API_KEY=your_gemini_api_key_here
-
-# Get yours at https://console.groq.com
-GROQ_API_KEY=your_groq_api_key_here
\ No newline at end of file
+# Optional (need at least one AI provider)
+ANTHROPIC_API_KEY=your_anthropic_api_key  # Get from https://console.anthropic.com
+OPENAI_API_KEY=your_openai_api_key  # Get from https://platform.openai.com (GPT-5)
+GEMINI_API_KEY=your_gemini_api_key  # Get from https://aistudio.google.com/app/apikey
+GROQ_API_KEY=your_groq_api_key  # Get from https://console.groq.com (Fast inference - Kimi K2 recommended)
\ No newline at end of file