Shipped Groq-tutored exam-prep SaaS. Includes Stripe billing, SM-2 spaced-repetition scheduling, bilingual (EN/ES) content, and deterministic localization pipeline (~3,400 items, 5-stage QA gate, resumable, cost-capped).
Groq · Next.js · Supabase · TypeScript · Stripe · SM-2 algorithm
One blog topic fans out to Facebook caption, Instagram caption + hashtags, and email subject + body via a single Groq call. Nightly cron. Shipped as admin tool in production.
Groq · Next.js · social publish API · nightly cron
Multi-Model QA Cascade
AI
One item routed to Ollama + Groq + Codex in parallel; non-LLM scoring layer picks winner; human-in-the-loop review gate before SQL commit. $0 to run locally.
Ollama · Groq · OpenAI/Codex · deterministic scoring · human-in-loop · SQL
agent-gate — Safety Fence
AI
Deterministic guardrails for AI agents. 53 tests, fail-closed design: any uncaught edge halts the agent rather than letting it proceed. Built as a standalone reusable safety layer.
deterministic rules · fail-closed · 53-test suite
Vision Factory — Dual-Model Consensus
AI
GPT-4o generates assets, Gemini verifies. Fails closed if centroid drift exceeds 85px. Coordinates large consistent asset-generation runs via a spec-driven pipeline with a status board (todo → generating → verify → placed).
OpenAI GPT-4o · Gemini vision · consensus gate · asset pipeline
Address → ranked candidate matches from 25+ sources. Weighted issue-scoring engine with auditable per-issue breakdown. Determinism-audited: same inputs always produce the same ranked output.
Next.js · TypeScript · determinism audit · 25+ public record sources
blood-suga — Vision Meal Analysis
AIDEMO
Live Groq text call per dish returns carb/calorie range; eval loop computes MAPE vs USDA-derived ground truth in real time. Production path uses llama-4-scout vision. Offline fallback labeled honestly.
Groq · llama-3.3-70b · dataset-backed eval · MAPE · offline fallback