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QueryMind lets you query a real database using plain English.
Type a question, get an answer — no SQL knowledge needed.
Built a production-grade AI agent using LangGraph that converts
natural language to SQL, executes it on a real PostgreSQL database
with 100,000+ rows, and automatically corrects errors in a retry
loop if the query fails.
Key features:
7-node LangGraph agent with conditional routing and self-correction
pgvector semantic search for intelligent schema retrieval
Full observability dashboard with real-time metrics and query history
Trace replay — see every step the agent took to answer your question
Deployed live: Next.js frontend on Vercel, FastAPI backend on Render
Tech: LangGraph · Groq LLaMA 3.3 70B · PostgreSQL · pgvector ·
FastAPI · Next.js · Tailwind CSS
Github: https://github.com/moiz-mansoori/QueryMind-NL2SQL-Agent-System
The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started
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keep going Denisa🔥🔥🔥🔥
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