# Harsh Rastogi

> Harsh Rastogi is an AI Product Engineer and Business AI Head at Modelia (https://www.modelia.ai), based in India. Modelia is a complete AI solution for the fashion ecosystem: DAM and PIM, catalogue management, product imagery and visual master generators, with bulk generation. He builds enterprise-grade AI products and agents end to end. He is a founding engineer at SelfAgentic (multi-agent AI orchestration), the end-to-end owner of Tutively (smart school ERP with AI student analysis), and the creator of carcode, an open-source tool for coding from your car with Claude Code, Siri and CarPlay. He publishes agent skills (SKILL.md files) for Claude Code and writes about shipping AI to production.

## Key facts
- Name: Harsh Rastogi. Location: Ghaziabad, Uttar Pradesh, India. Website: https://www.harshrastogi.tech
- Current role: AI Product Engineer and Business AI Head at Modelia (since June 2026). Promoted after five months as Full Stack Engineer at Modelia (January to May 2026).
- Modelia (https://www.modelia.ai): a complete AI solution for the fashion ecosystem: DAM and PIM, catalogue management, product imagery and visual master generators, with bulk generation.
- Founding Engineer at SelfAgentic (https://selfagentic.in), a multi-agent AI orchestration platform in closed beta.
- End-to-end owner of Tutively (https://tutively.com), a smart school ERP with AI student performance analysis.
- Creator of carcode (https://github.com/Harsh-Rastogi-03/carcode, MIT licence): code from your car with Claude Code, a Siri Shortcut and Apple CarPlay.
- Built GyanSathi solo: a learning platform serving 5,000+ learners at CCS University, Meerut.
- Previously: Full-Stack Developer at Asynq (https://www.asynq.ai), AI hiring automation, January to December 2025; Software Engineering Intern at Bharat Electronics Limited (Indian defence), July to August 2024.
- Education: B.Tech in Information Technology, Ajay Kumar Garg Engineering College (2021 to 2025).
- Publications: a Scopus-indexed research paper and a book chapter with Cambridge Scholars Publishing.
- Expertise: AI product engineering, generative AI, AI agents and multi-agent systems, Claude Code, Model Context Protocol (MCP), LLM integration and cost optimisation, fashion AI (product imagery, DAM, PIM), TypeScript, Node.js, React, Next.js, PostgreSQL, AWS, Azure.
- Contact: harshrastogi0603@gmail.com. LinkedIn: https://www.linkedin.com/in/harsh2003. GitHub: https://github.com/Harsh-Rastogi-03

## Open source and products
- [Modelia: AI Solution for the Fashion Ecosystem](https://www.harshrastogi.tech/projects/modelia-ai-platform): Modelia case study: enterprise-grade generative AI for fashion, with DAM and PIM, product imagery and bulk catalogue generation, from an AI Product Engineer. Live: https://www.modelia.ai
- [SelfAgentic: Multi-Agent AI Orchestration Platform](https://www.harshrastogi.tech/projects/selfagentic): SelfAgentic case study: a multi-agent AI platform where AI agents delegate, share memory, stream output and work in Slack, Notion and email. In closed beta. Live: https://selfagentic.in
- [Tutively: Smart School ERP With AI Student Analysis](https://www.harshrastogi.tech/projects/tutively): Tutively case study: a smart school ERP with AI student analysis, attendance automation and live data for admins, teachers, students and parents, on AWS. Live: https://tutively.com
- [carcode: Code From Your Car With Claude Code](https://www.harshrastogi.tech/projects/carcode): carcode lets you code from your car. Say "Hey Siri, Jarvis" to review PRs, read Slack and ship code with Claude Code over Apple CarPlay. Open source. Install: npx carcode-cli npm: https://www.npmjs.com/package/carcode-cli Source: https://github.com/Harsh-Rastogi-03/carcode
- [Asynq: AI Hiring Automation Platform](https://www.harshrastogi.tech/projects/asynq-hiring-platform): Asynq case study: AI hiring automation with candidate scoring, bulk resume analysis on BullMQ queues and an AI agent that interviews candidates. Live: https://www.asynq.ai
- [GyanSathi: University Learning Platform](https://www.harshrastogi.tech/projects/gyansathi-lms): GyanSathi case study: a university LMS for 5,000+ learners at CCS University, with courses, online exams, AI-based evaluation, certificates and payments. Live: https://gyansathi.com
- [PDF Compliance Validation Engine](https://www.harshrastogi.tech/projects/pdf-compliance-engine): Case study: a REST API that validates PDF accessibility against WCAG 2.2 and PDF/UA-1, with async Celery jobs, Docker and CI/CD pipeline integration.
- [Harvester HCI: Defence Infrastructure at BEL](https://www.harshrastogi.tech/projects/harvester-hci): Defence internship case study at Bharat Electronics Limited: React interfaces for Harvester HCI that manage virtualised computing and storage. Source: https://github.com/harvester/harvester

## Agent skills (SKILL.md files for Claude Code and other agents)
- [LLM Cost Audit](https://www.harshrastogi.tech/skills/llm-cost-audit): Find where your AI spend leaks: caching wins, model-tier mismatches and token waste. Built from cutting AI infrastructure costs on a production platform. Raw SKILL.md: https://www.harshrastogi.tech/skills/llm-cost-audit.md
- [Agentic Error Recovery](https://www.harshrastogi.tech/skills/agentic-error-recovery): Harden AI agents for production with idempotency, loop guards, fallbacks and observability you can actually read. Raw SKILL.md: https://www.harshrastogi.tech/skills/agentic-error-recovery.md
- [AI Feature Rollout](https://www.harshrastogi.tech/skills/ai-feature-rollout): Ship AI features behind flags, guardrails and kill switches instead of big-bang releases. Drawn from moving a production AI platform to continuous delivery. Raw SKILL.md: https://www.harshrastogi.tech/skills/ai-feature-rollout.md
- [Shopify App Review](https://www.harshrastogi.tech/skills/shopify-app-review): Catch App Store rejections before Shopify does: OAuth, webhooks, billing and listing. Built from running a merchant-facing Shopify app in production. Raw SKILL.md: https://www.harshrastogi.tech/skills/shopify-app-review.md
- [Prisma + Postgres Performance](https://www.harshrastogi.tech/skills/prisma-postgres-performance): Find the queries that will hurt at 10x traffic: N+1s, missing indexes and over-fetching, with migration-ready fixes. Raw SKILL.md: https://www.harshrastogi.tech/skills/prisma-postgres-performance.md

## Writing on AI, Claude and agents
- [How I Code From My Car With Claude Code and CarPlay](https://www.harshrastogi.tech/blog/code-from-your-car-claude-code-carplay) (2026-10-04): I built carcode, an open-source way to code from your car: say "Hey Siri, Jarvis" and Claude Code reviews PRs and ships code over Apple CarPlay.
- [SpaceXAI TypeScript SDK (@xai-official/sdk): Developer Guide](https://www.harshrastogi.tech/blog/spacexai-typescript-sdk-grok-xai-official-sdk-guide) (2026-10-04): SpaceXAI's experimental TypeScript SDK for Grok: install, streaming, X search, web search, code execution, remote MCP, video, voice and production gotchas.
- [Claude Fable 5 Is Back: Export Controls Lifted July 1](https://www.harshrastogi.tech/blog/claude-fable-5-back-export-controls-lifted) (2026-07-01): On June 30, 2026 the US lifted the export controls it placed on Claude Fable 5 and Mythos 5, and Fable 5 came back online globally on July 1. Here's the full timeline, what changed under the hood — a 99%+ bypass classifier, refusals, and fallback billing — and what developers need to do to ship on claude-fable-5.
- [Claude Opus 4.8: Features, Benchmarks and Pricing](https://www.harshrastogi.tech/blog/claude-opus-4-8-release-features-benchmarks-pricing) (2026-05-29): Anthropic shipped Claude Opus 4.8 on May 28, 2026. SWE-Bench Pro jumps from 64.3% to 69.2%, Fast Mode runs 2.5× faster at 3× lower cost, and Dynamic Workflows lets Claude Code orchestrate hundreds of subagents. Here's the full developer breakdown.
- [Claude Mythos & Project Glasswing: 10,000 Zero-Days Found](https://www.harshrastogi.tech/blog/claude-mythos-project-glasswing-zero-day-vulnerabilities) (2026-05-27): Anthropic's unreleased Claude Mythos model uncovered 10,000+ zero-day vulnerabilities in a month through Project Glasswing. What AI-powered vulnerability discovery means for developers, dependency security, and the future of cybersecurity in 2026.
- [Gemini CLI Is Dead: Migrate to Antigravity CLI in 15 Min](https://www.harshrastogi.tech/blog/gemini-cli-shutdown-antigravity-migration-guide) (2026-05-27): Google's Gemini CLI shuts down June 18, 2026. A practical, step-by-step migration guide to Antigravity CLI with before/after code, env vars, auth, and CI fixes — done in 15 minutes.
- [$725B on AI, 170K Layoffs: What It Means for Junior Devs](https://www.harshrastogi.tech/blog/big-tech-ai-spending-layoffs-junior-mid-engineers-2026) (2026-05-25): Meta, Amazon, Microsoft and Google are spending record amounts on AI infrastructure while cutting 170,000 jobs in 2026. A grounded, honest read on what this actually means for engineers 1–3 years into their career.
- [Model Context Protocol (MCP): Production Developer Guide](https://www.harshrastogi.tech/blog/model-context-protocol-mcp-developer-guide-production) (2026-05-24): A hands-on guide to production MCP servers beyond hello-world: real code, auth, tool registration and observability, from an AI Product Engineer at Modelia.
- [AI Will Write 60% of Code in 2026: What Changes for Devs](https://www.harshrastogi.tech/blog/ai-writing-60-percent-code-2026-what-actually-happens-developers) (2026-05-23): Gartner says 60% of code will be AI-written by end of 2026. Stack Overflow says 84% of developers use AI but only 29% trust it. I've shipped production systems with AI daily for 18 months — here's what's real, what's hype, and what changes for your job.
- [Shopify AI Self-Review: Pass App Store Review First Try](https://www.harshrastogi.tech/blog/shopify-ai-self-review-app-store-submissions) (2026-04-26): Shopify's new AI self-review checks your app for App Store compliance before you submit. How it works, what it flags and how to pass review on the first try.
- [Claude Opus 4.7: What Developers Actually Need to Know](https://www.harshrastogi.tech/blog/claude-opus-4-7-release-developer-guide) (2026-04-19): Anthropic released Claude Opus 4.7 on April 16, 2026. A hands-on look at what changed, how it compares to Opus 4.6, the new xhigh effort level and task budgets, and what the Project Glasswing safeguards mean for production AI systems.
- [Building Agentic AI Systems: Patterns From Production](https://www.harshrastogi.tech/blog/building-agentic-ai-systems-real-world-patterns) (2026-03-15): How I built autonomous AI agents at Asynq and Modelia that reason, plan and run multi-step tasks: tool use, memory, orchestration and production guardrails.
- [Agentic Workflows with Claude: A Production Guide](https://www.harshrastogi.tech/blog/anthropic-claude-agentic-workflows-production) (2026-03-10): How we use Anthropic's Claude API to power agentic workflows at Modelia.ai — from tool use and extended thinking to structured outputs and multi-turn agents. Practical patterns for building reliable AI agents with Claude.
- [Agentic AI in Production: Error Recovery & Observability](https://www.harshrastogi.tech/blog/agentic-ai-error-recovery-observability-patterns) (2026-03-05): Lessons from running agentic AI systems at scale — how we handle failures, monitor agent behavior, manage costs, and scale from single agents to multi-agent pipelines at Modelia.ai and Asynq.ai.

## Pages
- [About](https://www.harshrastogi.tech/about): background, experience, research
- [Resume](https://www.harshrastogi.tech/resume): full work history (PDF: https://www.harshrastogi.tech/Harsh-Rastogi-Resume.pdf)
- [Agent skills](https://www.harshrastogi.tech/skills): all skills, installable in Claude Code
- [AI Pulse](https://www.harshrastogi.tech/ai-pulse): monthly AI digest
- [Contact](https://www.harshrastogi.tech/contact)
- Full text of this site for LLMs: https://www.harshrastogi.tech/llms-full.txt
- Feeds: https://www.harshrastogi.tech/rss.xml, https://www.harshrastogi.tech/atom.xml, https://www.harshrastogi.tech/feed.json

## Optional
- [Facebook and Instagram Down: The June 12 Outage Explained](https://www.harshrastogi.tech/blog/facebook-instagram-down-global-outage-june-12-2026) (2026-06-12): A widespread outage hit Facebook, Instagram, and Messenger on June 12, 2026, with users across the US, Europe, Asia, and the Middle East reporting blank feeds, forced logouts, and 'query error' messages. Here's what's confirmed, what isn't, and what engineers can learn from Meta's outage history.
- [GitHub Supply Chain Breach: What npm and pip Users Must Do](https://www.harshrastogi.tech/blog/github-supply-chain-breach-npm-pip-security-audit) (2026-05-26): GitHub disclosed a supply chain breach this week exposing internal code and customer data. I audited Modelia's dependency tree right after — here's what I found, what you should check, and the patching playbook for 2026.
- [Building Scalable Microservices with Node.js and tRPC](https://www.harshrastogi.tech/blog/building-scalable-microservices-nodejs-trpc) (2025-01-15): Type-safe microservices with tRPC, Prisma and Node.js: patterns from Asynq and Modelia's studio platform that delivered a 40% performance gain.
- [Optimizing PostgreSQL Queries with Prisma ORM: A Deep Dive](https://www.harshrastogi.tech/blog/optimizing-postgresql-queries-prisma-orm) (2025-01-08): Learn techniques to improve database performance by 40%. Real-world examples from production systems at Asynq.ai and Modelia.ai handling millions of requests daily.
- [React Performance Optimization Techniques for 2025](https://www.harshrastogi.tech/blog/react-performance-optimization-2025) (2025-01-02): Modern strategies to build blazing-fast React applications. From code splitting to memo patterns, real techniques from building EduFly and GyanSathi LMS.
- [Docker Best Practices for Full-Stack Applications](https://www.harshrastogi.tech/blog/docker-best-practices-fullstack-applications) (2024-12-20): From development to production: containerization strategies that ensure consistency, security, and scalability. Lessons from deploying EduFly on AWS.
- [Next.js 14 App Router: Complete Developer Guide](https://www.harshrastogi.tech/blog/nextjs-14-app-router-complete-guide) (2024-12-12): Master the new App Router, Server Components, and data fetching patterns. Everything you need to build production-ready Next.js applications.
- [Building Software for Indian Defence at BEL: Lessons](https://www.harshrastogi.tech/blog/lessons-building-software-indian-defence) (2024-11-25): Insights from building frontend interfaces at Bharat Electronics Limited (BEL) for the Indian Airforce — rigorous processes, reliability, documentation, and the weight of critical systems.
- [Redis Caching Strategies for High-Performance APIs](https://www.harshrastogi.tech/blog/redis-caching-strategies-high-performance-apis) (2024-11-15): Implementing effective caching patterns that reduced our API response times by 60% at Asynq.ai. Learn cache invalidation, TTL strategies, and common pitfalls.
- [Advanced TypeScript Patterns for Production Applications](https://www.harshrastogi.tech/blog/typescript-advanced-patterns-production) (2024-11-05): Go beyond basics with discriminated unions, template literals, and conditional types. Real patterns from enterprise codebases at Modelia.ai.
- [AWS Architecture for Startups: From Zero to Scale](https://www.harshrastogi.tech/blog/aws-architecture-startup-scale) (2024-10-20): Cost-effective cloud architecture that grows with your startup. How I architected EduFly to serve 15K+ users on AWS with 99.9% uptime.
- [CI/CD with GitHub Actions: Complete Setup Guide](https://www.harshrastogi.tech/blog/ci-cd-github-actions-complete-setup) (2024-10-10): Automate your deployment pipeline from testing to production. Real workflows from EduFly, Asynq.ai, and Modelia.ai deployments.
- [AI Pulse #1 — New Frontier Models, MCP Goes Vendor-Neutral, and Video Eats E-commerce](https://www.harshrastogi.tech/ai-pulse/2026-06-frontier-models-mcp-everywhere) (2026-06-12): Anthropic ships Claude Fable 5, Google readies Gemini 3.5 Pro, Microsoft builds its own coding models, MCP moves to the Linux Foundation, and AI video becomes the default for e-commerce content.