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AI Engineering & SaaS Blog | Rohith Singh

RAG pipelines, AI agents, and AI-powered SaaS products, documented as I build them. No filter.
Your AI Agent Needs an Operating System
September 13, 2026AI

Your AI Agent Needs an Operating System

Calling a few tools is easy. The hard part is routing work across business domains without a giant prompt, wasted context, or a workflow that dies halfway through.Read post →
Thumbnail of I kept hitting the same Solana bugs, so I turned them into a Claude Code skill
June 19, 20264 min read
Solana
I kept hitting the same Solana bugs, so I turned them into a Claude Code skillStale blockhashes, guessed compute units, unbounded fee escalation: I solved these for real on jumble[cash], then wrote down the fix as solana-tx-landing, an agent skill for reliably landing Solana transactions.
Thumbnail of The Missing Layer Between You and Your AI Agent
April 21, 20269 min read
AI
The Missing Layer Between You and Your AI AgentRunning Claude Code, Codex, and OpenCode in parallel used to mean four terminal windows and constant context-switching. Here's how an agentic development environment fixes that.
Thumbnail of Can You Build AI Agents in Rust? Yep, and Here's How I Did It
August 19, 20256 min read
AI
Can You Build AI Agents in Rust? Yep, and Here's How I Did ItEveryone builds AI agents in Python or JavaScript. I built a multi-agent system in Rust instead, orchestrating Linear, GitHub, and Supabase through MCP.
Thumbnail of What I learned building a sub-200ms RAG pipeline in production
June 4, 20255 min read
AI
What I learned building a sub-200ms RAG pipeline in productionA RAG pipeline that works in a notebook is easy. One that runs at sub-200ms with real users, streaming responses, and a product manager watching the latency dashboard is a different problem entirely.
Thumbnail of Building Linea: what I learned designing a visual AI workflow engine
June 3, 20256 min read
AI
Building Linea: what I learned designing a visual AI workflow engineMost AI agent frameworks hide complexity behind abstractions that break the moment your workflow gets interesting. I built Linea to make agent logic visible, editable, and actually debuggable.
Thumbnail of Neon OSS Kit: Ship Your Next.js Apps Faster Than Ever
August 28, 20242 min read
Backend
Neon OSS Kit: Ship Your Next.js Apps Faster Than EverA Node.js CLI that scaffolds production-ready Next.js SaaS starters with Neon, Clerk, and your choice of Prisma or Drizzle. Built for the Neon Open Source Starter Kit Challenge.

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Thoughts on AI, backend systems, and building things that matter