December 2025

CodeSage

AI-powered platform that analyzes GitHub repositories and provides deep insights using cutting-edge technology.

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Project post

Tech stack

Next.js

Tailwind CSS

NestJS

TypeScript

PostgreSQL

Prisma

Google Gemini

CodeSage - AI GitHub Repository Analyzer interface

TeamSaif Nemri

PublishedDecember 1, 2025

My Role

Full-stack developer. I built the Next.js frontend and the NestJS backend, and integrated the analysis tooling (ESLint, Semgrep) and the Gemini-powered features.

Overview

CodeSage is a tool I built to help developers quickly understand unfamiliar codebases. You paste a GitHub repo URL, and it analyzes the code using AI to give you insights about the tech stack, code quality, and architecture.

Features

Tech Stack Detection - Automatically figures out what frameworks and libraries are used
Code Quality Analysis - Runs ESLint to check for issues
Security Scanning - Uses Semgrep to find potential vulnerabilities
AI Chat - Ask questions about the code using Google Gemini
Auto Documentation - Generate docs for functions and classes

Tech Stack

Frontend: Next.js, Tailwind CSS
Backend: NestJS, TypeScript
Database: PostgreSQL with Prisma
AI: Google Gemini API

Demo

Check out the live demo on LinkedIn showing the app in action.

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