{"repo":"InfinityZero3000/LexiLingo","free":true,"listed":false,"github":"https://github.com/InfinityZero3000/LexiLingo","clone":"git clone https://github.com/InfinityZero3000/LexiLingo.git","description":"Next-gen AI language tutor utilizing a novel Trace-CAG pipeline for zero-hallucination pedagogical feedback","language":"Python","stars":35,"topics":["ai-tutor","cag","knowledge-graph","orchestration","piper-tts","qwen3","whisper","graphcag","learning-english"],"license":"MIT","category":"workflow-automation","readme_excerpt":"LexiLingo The AI English Tutor That Actually Understands You TRACECAG · Real-Time Voice · Knowledge Graph · CEFR Assessment --- Most language apps give you the same lesson regardless of who you are. LexiLingo builds a live knowledge graph of your concept gaps, diagnoses errors in real time, and generates personalized explanations — not templates. Quick Start · Architecture · API Overview · TRACECAG --- 1. Project Overview LexiLingo is a full-stack AI English tutoring platform built as a monorepo with 5 deployable services . It combines a Flutter mobile app, a FastAPI backend, a Python AI service, a React admin dashboard, and an MCP agent server. Target users User type Description ----------- ------------- Learner English learner (A1–C2) using the mobile app for lessons, vocabulary, AI chat, voice practice Admin Content manager / super-admin using the dashboard to manage users, courses, and system config Developer / Agent IDE tool users and AI agents accessing the MCP server for localization and graph tooling Core capabilities - Adaptive vocabulary — SM-2 spaced repetition with per-user ease factor (EF-adjusted intervals) - Structured courses — CEFR-tagged A1→C2 curriculum with units, lessons, and exercises - AI tutor (Lexi Chat) — Contextual conversation powered by the TRACECAG pipeline - Topic-based chat — Conversation practice across 68 topic catalogs (60 TraceCAG-generated, A1–C1, 16 categories) - Voice / pronunciation — Real-time dual-stream STT/TTS + HuBERT phoneme analy","default_branch":null,"files":null,"tree":[],"storefront":"/r/InfinityZero3000","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/InfinityZero3000/LexiLingo/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}