Hitanshu Kumar Singh

AI-powered mutual fund advisor — MERN + vectorless RAG, live in production

✦ Interactive 3D cosmic dedication gift app built with custom Canvas 2D projection, 8.9k+ real HYG stars, and landscape celestial deeds.

No project description available.

An OpenEnv-spec RL environment that evaluates LLM data-analyst agents on SQL business questions. Read-only sandbox enforced by SQLite's authorizer, ground truth derived from each task's reference SQL, and a grader that can't be gamed by hedging. Selected top ~3% at the Meta PyTorch OpenEnv × Scaler hackathon.

Grounded multi-domain support-triage agent (HackerRank Orchestrate Hackathon). 8-layer DAG fusing ChromaDB vector + BM25 lexical retrieval, with an adversarial-critic pass that blocks ungrounded answers — 93% groundedness across a 772-document corpus.

Chat with any YouTube video in real time — RAG over Pinecone with Groq Whisper-v3 transcription and Llama-3.3-70B. Beat Groq's 25 MB API cap by extracting 32 kbps audio-only streams, unlocking 1hr+ videos.