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JSON Intent Tree Hierarchical JSON logic tree defining domains, recipients, categories, and scenarios for promptless communication.
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JSON Node (intent + meta) Each node encodes intent, tone, and context hints to guide consistent and context-aware email generation.
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JSON Deep Hierarchy Deep structured design enables scalable expansion across multiple domains and real-world communication use cases.
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Domain Expansion Example(Finance/etc.) Domain-specific branche demonstrate flexibility and extensibility of the intent-driven architecture.
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UI – Domain Selection Step 1: Users select domain through a guided interface, eliminating the need for manual prompt writing.
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UI – Recipient + Category Step 2 & 3: Recipient and category refine communication intent and automatically adjust tone and structure.
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UI – Scenario Selection Step 4: Scenario selection defines the exact use case, completing structured intent input.
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Generated Email Output Final output: fully structured, context-aware professional email generated without prompt engineering.
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Architecture Overview End-to-end pipeline: UI → FastAPI backend → intent engine → prompt compiler → LLM → structured email output.
Inspiration
Writing professional emails often requires users to know how to communicate clearly and, more recently, how to write effective AI prompts. We wanted to remove both barriers. The idea behind Corelytics was simple: instead of asking users to engineer prompts, let the system understand their intent and generate the right email automatically.
Our goal was to create an AI-powered communication assistant that feels natural to use while producing professional, context-aware emails for different domains and scenarios.
What it does
Corelytics is a promptless AI email generation platform that transforms user intent into professional emails.
Rather than requiring users to write detailed prompts, Corelytics guides them through a structured intent-selection process. Based on the selected domain, recipient type, category, and scenario, the platform automatically generates a context-aware email tailored to the user's needs.
The platform helps users create professional emails faster, reduces communication effort, and makes AI-assisted writing accessible to everyone.
How we built it
Corelytics was built using a modular AI architecture consisting of:
- FastAPI backend for API management and processing
- Intent Engine for understanding user selections
- State Manager for maintaining workflow context
- JSON-based decision tree for structured intent mapping
- Prompt Compiler that dynamically constructs optimized prompts
- Large Language Model (LLM) integration for email generation
The system follows a hierarchical workflow:
Domain → Recipient → Category → Scenario → Prompt Compilation → AI Generation
This approach allows Corelytics to generate highly relevant emails without requiring users to manually write prompts.
Challenges we ran into
One of the biggest challenges was designing a system that could reliably generate high-quality emails without direct prompt engineering from the user.
Other challenges included:
- Creating a scalable intent hierarchy
- Maintaining context across multiple decision stages
- Designing dynamic prompt generation logic
- Ensuring email quality across different domains and scenarios
- Balancing flexibility with simplicity for end users
Accomplishments that we're proud of
We are proud of building a working promptless AI communication platform that moves beyond traditional chatbot interactions.
Key achievements include:
- Developing a structured intent-driven architecture
- Eliminating the need for manual prompt engineering
- Creating a scalable workflow that supports multiple communication scenarios
- Generating professional, context-aware emails consistently
- Building a clean and extensible system architecture for future expansion
What we learned
Through Corelytics, we learned that successful AI systems depend not only on powerful language models but also on effective orchestration and workflow design.
We gained valuable experience in:
- AI system architecture
- Intent modeling and classification
- Prompt engineering automation
- Backend API development
- Context management and state handling
- Human-centered AI design
What's next for Corelytics
Our vision is to evolve Corelytics from an email generation platform into a complete AI communication agent.
Future plans include:
- Multi-language email generation
- Personalized writing styles
- CRM and productivity tool integrations
- AI-powered follow-up recommendations
- Smart communication analytics
- Support for proposals, reports, messages, and other business documents
- Autonomous communication workflows powered by AI agents
Ultimately, we aim to make professional communication faster, smarter, and accessible to everyone.
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