📚 Update README with complete multi-agent documentation

- Complete capability documentation
- Agent architecture overview
- MCP ecosystem integration guide
- Updated environment variables
- Project structure documentation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: sheikhcoders

.env.example

@@ -1,19 +1,60 @@
 # ===========================================
 # Computer-Using Agent - Environment Variables
 # ===========================================
-# Copy this file to .env.local and fill in your API keys
-# All providers below offer FREE tiers!
+# Copy this file to .env.local and add your API keys
+# All providers have FREE tiers!
+
+# ------------------------------------------
+# AI Model Providers (Required)
+# ------------------------------------------
 
 # Groq API Key (FREE - https://console.groq.com)
-# - 30 requests per minute on free tier
-# - Models: llama-3.3-70b-versatile, gemma2-9b-it, mixtral-8x7b
+# Fast inference with Llama, Gemma, Mixtral
+# Rate limit: 30 requests/minute on free tier
 GROQ_API_KEY=gsk_your_groq_api_key_here
 
 # Google Gemini API Key (FREE - https://aistudio.google.com/apikey)
-# - Generous free tier with Gemini 1.5 Flash
-# - Models: gemini-2.5-flash, gemini-1.5-flash, gemini-1.5-pro
+# Gemini 2.5 Flash, 1.5 Flash, vision capabilities
+# Generous free tier with 1M+ tokens
 GOOGLE_GENERATIVE_AI_API_KEY=your_google_api_key_here
 
-# Optional: Vercel AI Gateway (provides $5/month free credit)
+# ------------------------------------------
+# Code Execution (Optional - Pro Features)
+# ------------------------------------------
+
+# E2B API Key (FREE tier - https://e2b.dev)
+# Secure sandboxed Python/JavaScript execution
+# 100 hours/month free
+E2B_API_KEY=e2b_your_api_key_here
+
+# ------------------------------------------
+# MCP Integrations (Optional)
+# ------------------------------------------
+
+# GitHub Personal Access Token
+# For repository management, issues, PRs
+# Create at: https://github.com/settings/tokens
+GITHUB_TOKEN=ghp_your_github_token_here
+
+# Slack Bot Token
+# For sending messages and channel management
+# Create at: https://api.slack.com/apps
+SLACK_BOT_TOKEN=xoxb-your-slack-token-here
+
+# Figma Access Token
+# For accessing design files and components
+# Create at: https://www.figma.com/developers/api
+FIGMA_ACCESS_TOKEN=your_figma_token_here
+
+# Google Maps API Key
+# For places search and directions
+# Create at: https://console.cloud.google.com/apis
+GOOGLE_MAPS_API_KEY=your_google_maps_key_here
+
+# ------------------------------------------
+# Optional: Vercel AI Gateway
+# ------------------------------------------
+
+# Provides $5/month free credit for multiple providers
 # Get your key at: https://vercel.com/dashboard/ai/api-keys
 # AI_GATEWAY_API_KEY=your_ai_gateway_key_here