Rebuilt from a single-store ChromaDB prototype into a hybrid-search, multi-user system — upload PDFs or CSVs, ask questions, get cited answers.

6-agent autonomous research pipeline — Supervisor, Search, Scraper, Summarizer, Critic, Synthesizer — with complexity-based model routing and quota-aware fallback between Groq and Gemini.

Production-grade autonomous agent — 4-layer pipeline (cache → pattern router → RAG → LLM) routing roughly 80% of queries with 0 LLM calls. Per-session cost roughly $0.0005.

Third-generation finance system — dashboard for passive logging plus a conversational agent for active querying, both writing to the same SQLite store.

AI career planning app that analyzes a resume against a job description or URL — delivers full gap analysis, skill mapping, and personalized roadmap in under 5–8 minutes. Clean separation between parsing, analysis, and output generation with no hardcoded assumptions about resume or job format.

A local MCP server exposing 6 developer tools — file ops, Python execution, and JSON utilities — with human-in-the-loop confirmation built into any action that writes or runs code.

Multi-question parallel SQL execution using LangGraph's Send API for dynamic fan-out across schema analysis and execution nodes, with inline review before any query fires.