Core Features

AICA uses Auth0 to provide secure, reliable authentication with multiple sign-in methods:

• Email/Password – Standard account creation with secure credentials
• Google – OAuth login with Google accounts
• Microsoft – OAuth login with Microsoft accounts
• GitHub – OAuth login with GitHub accounts
• Apple – OAuth login with Apple ID

Security Features:

• JWT token-based authentication
• Refresh token support for persistent sessions
• Secure session management with localStorage
• Protected API endpoints requiring authentication

Choose from preset communication styles or create custom tones to match any situation:

Default Tones:

• Professional – Clear, direct, and business-appropriate
• Friendly – Warm, approachable, and conversational
• Formal – Respectful, structured, and traditional
• Persuasive – Compelling, action-oriented, and confident

Custom Tones:

• Create and save up to 8 custom tones
• Examples: Casual, Urgent, Apologetic, Enthusiastic, Empathetic
• Edit or delete custom tones anytime in Settings
• Tones persist across sessions via MongoDB

Tailor your emails based on who will receive the message. Select from default audiences or create custom recipients:

Default Audiences:

• Professor / Instructor – Academic and respectful tone
• Student / Peer – Casual but professional
• Coach / Trainer – Respectful and direct
• Professional / Colleague – Business-appropriate

Custom Audiences:

• Create and save up to 8 custom audiences
• Examples: CEO, Client, Team Member, Hiring Manager, Academic Advisor
• Support for multiple recipients (e.g., "CEO and CFO", "Marketing Team")
• Edit or delete custom audiences in Settings
• Audiences persist across sessions via MongoDB

Jump-start your writing with ready-to-use structures for common communications:

• Thank You Email – Express gratitude professionally
• Meeting Request – Schedule meetings effectively
• Follow-Up Email – Continue conversations professionally
• Introduction Email – Make strong first impressions
• Apology Email – Address mistakes sincerely
• Feedback Request – Solicit constructive input

Create reusable email prompts for recurring needs:

• Save up to 8 custom templates
• Examples: "Project Status Update", "Weekly Report", "Client Proposal"
• Each template includes a name and prompt
• Edit or delete templates in Settings
• Templates persist across sessions via MongoDB
• Mark templates as custom or default

AICA leverages advanced AI through LangChain and OpenAI to generate professional emails:

Core Capabilities:

• Generate from Prompt – Describe your email needs in natural language
• Tone Adaptation – AI interprets and applies your selected tone (preset or custom)
• Audience Awareness – Adjusts formality, greeting style, and content based on recipient
• Context Understanding – Handles complex requests and multiple recipients
• Professional Formatting – Includes subject line, greeting, body, and closing
• Signature Integration – Automatically applies your selected email signature

AI Features:

• Complete email generation with proper structure
• 3-4 paragraph maximum for conciseness
• Clear call-to-action when appropriate
• Contextually relevant content
• Professional language regardless of tone

Create and manage multiple email signatures for different contexts:

Signature Features:

• Save up to 8 custom signatures
• Each signature includes a name and formatted content
• Set default signature – Auto-selected for new emails
• Examples: "Professional", "Casual", "Work", "Personal"
• Edit or delete signatures in Settings
• Signatures persist across sessions via MongoDB

Signature Application:

• Select signature before generating email
• Option to generate without signature
• Custom signature support for one-time use
• Signatures replace AI-generated closing automatically

Typical Signature Format:

Best regards,
[Your Name]
[Your Title]
[Your Company]
[Your Email]
[Your Phone]

Store and manage your generated emails in a personal library:

Library Features:

• Save up to 8 emails to your library
• Each email includes:
  • Subject line
  • Full content
  • Tone used
  • Audience targeted
  • Timestamp
  • Source (AI-generated or manually added)
• Favorite emails – Star important emails for quick access
• Edit saved emails – Update subject, content, tone, or audience
• Manual email entry – Add emails you've written yourself
• Delete emails – Remove outdated entries

Email Library Management:

• Access via Settings modal
• Search and browse saved emails
• Copy any saved email to clipboard
• All emails persist via MongoDB
• Emails tied to your Auth0 user account

Connect your Microsoft Outlook account to send AI-generated emails directly without leaving AICA:

Connection Features:

• One-Click OAuth – Secure Microsoft authentication
• Connection Status – Real-time display of connected account
• Persistent Tokens – Stay connected across sessions with automatic token refresh
• Easy Disconnect – Remove Outlook connection anytime in Settings

Sending Capabilities:

• Send Email – Deliver AI-generated emails directly through your Outlook account
• Create Draft – Save emails as drafts in Outlook for later review
• Multiple Recipients – Support for To, CC, and BCC fields
• Email Validation – Automatic validation of recipient email addresses
• Pre-filled Content – Subject and body auto-populated from AI-generated emails
• Edit Before Sending – Review and modify emails before sending

Outlook Integration Flow:

1. Click "Connect Outlook" in Settings modal
2. Authenticate with Microsoft OAuth
3. Grant AICA permissions (Mail.Send, Mail.Read, User.Read)
4. Generate email with AICA's AI
5. Click "Send via Outlook" button
6. Review recipients and content
7. Send immediately or save as draft

Security & Privacy:

• OAuth 2.0 secure authentication
• Tokens stored encrypted in MongoDB
• Automatic token refresh (no re-authentication needed)
• Tokens tied to your Auth0 user account
• Revoke access anytime via Settings

Microsoft Graph API Integration:

• Access Outlook inbox messages
• Send emails via Microsoft Graph
• Create and manage drafts
• Full compatibility with Microsoft 365 and Outlook.com accounts

AICA supports both light and dark themes for comfortable viewing:

Theme Features:

• Toggle between light and dark mode
• Theme preference saved to localStorage
• Smooth transitions between themes
• Applies to all UI elements:
  • Background colors
  • Text colors
  • Card/panel backgrounds
  • Borders and shadows
  • Scrollbar styling
  • Modal backgrounds

Manage all your customizations in one place via the Settings modal:

Customizable Elements:

• Tones – View, add, edit, delete (max 8)
• Audiences – View, add, edit, delete (max 8)
• Templates – View, add, edit, delete (max 8)
• Email Library – View, edit, delete, favorite (max 8)
• Signatures – View, add, edit, delete, set default (max 8)
• Outlook Integration – Connect/disconnect Microsoft Outlook account
• Reset to Defaults – Restore factory settings

Settings Features:

• Real-time updates across the application
• MongoDB persistence for all preferences
• User-specific settings tied to Auth0 account
• Validation and error handling
• Success/error feedback messages

Preview Features:

• Live preview of generated email
• Display shows:
  • Selected tone
  • Selected audience
  • Applied signature (if any)
  • Full email content with formatting
• Copy to clipboard with one click
• Save to library option (requires authentication)
• Send via Outlook option (if connected)

Export Options:

• Copy to Clipboard – One-click copy of entire email
• Save to Library – Store for future reference
• Send via Outlook – Deliver directly through your Outlook account
• Success notifications for all actions

History Features:

• View all generated emails in current session
• User prompts and AI responses displayed chronologically
• Metadata tags showing:
  • Tone used
  • Audience targeted
  • Signature applied
• Clear conversation option to start fresh
• Auto-scroll to latest messages

Validation:

• Input validation for all form fields
• Required field indicators
• Character limits for custom inputs
• Duplicate prevention for custom items
• Email address validation for Outlook recipients

Feedback:

• Loading indicators during AI generation
• Success messages for saved items
• Error messages with clear explanations
• Auto-dismiss notifications (3 seconds)
• Disabled states during processing
• Outlook connection status updates

MongoDB Integration:

• All preferences stored per user (by Auth0 user ID)
• Automatic creation of default preferences on first login
• Real-time synchronization across devices
• Secure API communication with JWT tokens
• Outlook OAuth tokens stored encrypted

Privacy Features:

• User data isolated by Auth0 user ID
• No sharing between users
• Secure MongoDB connection (local or Atlas)
• Environment variables for sensitive credentials
• No email content stored without explicit user action
• Outlook tokens refreshed automatically without re-authentication

What makes AICA unique:

• ✅ AI-Powered Generation – GPT-4o-mini for intelligent email creation
• ✅ Complete Customization – Tones, audiences, templates, signatures all customizable
• ✅ Cloud Persistence – MongoDB storage keeps preferences across sessions
• ✅ Secure Authentication – Auth0 with multiple OAuth providers
• ✅ Microsoft Outlook Integration – Send emails directly through your Outlook account
• ✅ User-Friendly Interface – Modern Angular UI with Tailwind CSS
• ✅ Dark Mode – Comfortable viewing in any lighting
• ✅ Email Library – Save and organize your best emails
• ✅ Real-Time Updates – Reactive state management with RxJS
• ✅ Maximum Limits – 8 items per category prevents database bloat
• ✅ Professional Output – Consistently formatted, business-appropriate emails