https://www.harshrastogi.tech/blog Articles on Generative AI, scalable systems, Node.js, TypeScript, and software engineering by Harsh Rastogi. en-in harshrastogi0603@gmail.com (Harsh Rastogi) harshrastogi0603@gmail.com (Harsh Rastogi) Sun, 04 Oct 2026 08:36:47 GMT https://www.harshrastogi.tech/og/profile.png https://www.harshrastogi.tech/blog https://www.harshrastogi.tech/blog/spacexai-typescript-sdk-grok-xai-official-sdk-guide https://www.harshrastogi.tech/blog/spacexai-typescript-sdk-grok-xai-official-sdk-guide SpaceXAI released an experimental official TypeScript SDK, @xai-official/sdk: Grok text, voice, image and video in one zero-dependency package, plus server-side X search, web search, code execution and remote MCP. Here's working code for each piece and the production gotchas hidden in the README. AI & Machine Learning Sun, 04 Oct 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/code-from-your-car-claude-code-carplay https://www.harshrastogi.tech/blog/code-from-your-car-claude-code-carplay I built carcode, an open-source way to code from your car. Say \ AI & Machine Learning Sun, 04 Oct 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/claude-fable-5-back-export-controls-lifted https://www.harshrastogi.tech/blog/claude-fable-5-back-export-controls-lifted 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. AI & Machine Learning Wed, 01 Jul 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/facebook-instagram-down-global-outage-june-12-2026 https://www.harshrastogi.tech/blog/facebook-instagram-down-global-outage-june-12-2026 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. Tech News Fri, 12 Jun 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/claude-opus-4-8-release-features-benchmarks-pricing https://www.harshrastogi.tech/blog/claude-opus-4-8-release-features-benchmarks-pricing 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. AI & Machine Learning Fri, 29 May 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/gemini-cli-shutdown-antigravity-migration-guide https://www.harshrastogi.tech/blog/gemini-cli-shutdown-antigravity-migration-guide 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. Developer Tools Wed, 27 May 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/claude-mythos-project-glasswing-zero-day-vulnerabilities https://www.harshrastogi.tech/blog/claude-mythos-project-glasswing-zero-day-vulnerabilities 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. AI & Machine Learning Wed, 27 May 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/github-supply-chain-breach-npm-pip-security-audit https://www.harshrastogi.tech/blog/github-supply-chain-breach-npm-pip-security-audit 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. Cybersecurity Tue, 26 May 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/big-tech-ai-spending-layoffs-junior-mid-engineers-2026 https://www.harshrastogi.tech/blog/big-tech-ai-spending-layoffs-junior-mid-engineers-2026 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. Career Mon, 25 May 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/model-context-protocol-mcp-developer-guide-production https://www.harshrastogi.tech/blog/model-context-protocol-mcp-developer-guide-production Model Context Protocol hit 97 million installs in 2026 but most tutorials stop at hello-world. A hands-on guide to building production MCP servers with real code, auth, tool registration, and observability — from a production engineer at Modelia. AI & Machine Learning Sun, 24 May 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/ai-writing-60-percent-code-2026-what-actually-happens-developers https://www.harshrastogi.tech/blog/ai-writing-60-percent-code-2026-what-actually-happens-developers 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. AI & Machine Learning Sat, 23 May 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/shopify-ai-self-review-app-store-submissions https://www.harshrastogi.tech/blog/shopify-ai-self-review-app-store-submissions Shopify just shipped an AI agent that reviews your app for App Store compliance before submission. How the new self-review tool, Partner Dashboard tracking, and automated pre-submission checks change Shopify app review in 2026. Developer Tools Sun, 26 Apr 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/claude-opus-4-7-release-developer-guide https://www.harshrastogi.tech/blog/claude-opus-4-7-release-developer-guide 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. AI & Machine Learning Sun, 19 Apr 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/building-agentic-ai-systems-real-world-patterns https://www.harshrastogi.tech/blog/building-agentic-ai-systems-real-world-patterns How we built autonomous AI agents at Asynq.ai and Modelia.ai that reason, plan, and execute multi-step tasks. Practical patterns for tool use, memory, orchestration, and guardrails in production agentic systems. AI & Machine Learning Sun, 15 Mar 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/anthropic-claude-agentic-workflows-production https://www.harshrastogi.tech/blog/anthropic-claude-agentic-workflows-production 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. AI & Machine Learning Tue, 10 Mar 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/agentic-ai-error-recovery-observability-patterns https://www.harshrastogi.tech/blog/agentic-ai-error-recovery-observability-patterns 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. AI & Machine Learning Thu, 05 Mar 2026 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/building-scalable-microservices-nodejs-trpc https://www.harshrastogi.tech/blog/building-scalable-microservices-nodejs-trpc A comprehensive guide to architecting type-safe microservices using tRPC, Prisma ORM, and Node.js. Learn patterns from Asynq.ai and Modelia.ai's studio platform to achieve 40% performance improvements. Backend Development Wed, 15 Jan 2025 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/optimizing-postgresql-queries-prisma-orm https://www.harshrastogi.tech/blog/optimizing-postgresql-queries-prisma-orm 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. Database Wed, 08 Jan 2025 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/react-performance-optimization-2025 https://www.harshrastogi.tech/blog/react-performance-optimization-2025 Modern strategies to build blazing-fast React applications. From code splitting to memo patterns, real techniques from building EduFly and GyanSathi LMS. Frontend Development Thu, 02 Jan 2025 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/docker-best-practices-fullstack-applications https://www.harshrastogi.tech/blog/docker-best-practices-fullstack-applications From development to production: containerization strategies that ensure consistency, security, and scalability. Lessons from deploying EduFly on AWS. DevOps Fri, 20 Dec 2024 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/nextjs-14-app-router-complete-guide https://www.harshrastogi.tech/blog/nextjs-14-app-router-complete-guide Master the new App Router, Server Components, and data fetching patterns. Everything you need to build production-ready Next.js applications. Frontend Development Thu, 12 Dec 2024 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/lessons-building-software-indian-defence https://www.harshrastogi.tech/blog/lessons-building-software-indian-defence Insights from building frontend interfaces at Bharat Electronics Limited (BEL) for the Indian Airforce — rigorous processes, reliability, documentation, and the weight of critical systems. Career Mon, 25 Nov 2024 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/redis-caching-strategies-high-performance-apis https://www.harshrastogi.tech/blog/redis-caching-strategies-high-performance-apis Implementing effective caching patterns that reduced our API response times by 60% at Asynq.ai. Learn cache invalidation, TTL strategies, and common pitfalls. Backend Development Fri, 15 Nov 2024 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/typescript-advanced-patterns-production https://www.harshrastogi.tech/blog/typescript-advanced-patterns-production Go beyond basics with discriminated unions, template literals, and conditional types. Real patterns from enterprise codebases at Modelia.ai. Programming Tue, 05 Nov 2024 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/aws-architecture-startup-scale https://www.harshrastogi.tech/blog/aws-architecture-startup-scale Cost-effective cloud architecture that grows with your startup. How I architected EduFly to serve 15K+ users on AWS with 99.9% uptime. Cloud Sun, 20 Oct 2024 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi) https://www.harshrastogi.tech/blog/ci-cd-github-actions-complete-setup https://www.harshrastogi.tech/blog/ci-cd-github-actions-complete-setup Automate your deployment pipeline from testing to production. Real workflows from EduFly, Asynq.ai, and Modelia.ai deployments. DevOps Thu, 10 Oct 2024 00:00:00 GMT harshrastogi0603@gmail.com (Harsh Rastogi)