Production RAG chatbots & AI agents — grounded answers with citations, LangGraph / MCP agents, eval gates and monitoring. Also Python full stack, data engineering, and Flutter. Founded by Amar Kumar.
Live site: stackcone.com · Contact: hello@stackcone.com
stackcone is a full-stack software and AI engineering studio. We design, build, and deploy production systems — from discovery to handover — with clear scope, documentation, and on-time delivery.
- 10+ years experience
- Reviews on Upwork
| Area | What we build |
|---|---|
| AI & RAG | RAG chatbots, knowledge bases, embeddings, vector search, LLM integration (OpenAI, Claude, Gemini) |
| AI agents | Workflow automation, MCP integrations, multi-agent orchestration |
| Full-stack web | React, Next.js, Python (FastAPI, Django, Flask), Node.js, REST/GraphQL APIs |
| Mobile | Flutter apps for iOS and Android — auth, Firestore, payments, store release |
| Data engineering | ETL, streaming, warehouses (BigQuery, Snowflake), Airflow, Kafka |
| Cloud & DevOps | AWS, GCP, Azure, Kubernetes, Terraform, CI/CD |
| Page | URL |
|---|---|
| Homepage | https://stackcone.com/ |
| Portfolio | https://stackcone.com/work/ |
| Solutions | https://stackcone.com/solutions/ |
| Blog | https://stackcone.com/blog/ |
| About | https://stackcone.com/about/ |
| Contact | https://stackcone.com/contact/ |
| Sitemap | https://stackcone.com/sitemap.xml |
- How to Build a Production RAG Chatbot
- How to Build a Flutter App with Firebase Auth and Firestore
- How SSE Streaming Works in Chatbots
- Best Economical LLM Models for RAG
- Automate Data Engineering Fixes with AI Agents and MCP
Architecture and implementation plans for production software problems:
- Marketing Attribution Pipeline — BigQuery & Looker
- NYC Property Records Search Platform
- Autonomous Agent Orchestration Platform
- Multi-Agent SEO Content Pipeline for WordPress
This repo is the source for stackcone.com, deployed via GitHub Pages.
- Stack: Static HTML, CSS, JavaScript — no build step required for deploy
- Deploy: Push to
main→ GitHub Actions → GitHub Pages - Dev tooling: code blocks are highlighted at render time by Monaco (
assets/monaco-code.js)
# Local preview (any static server)
python3 -m http.server 8080
# Open http://localhost:8080© stackcone 2026 · Privacy