--- title: "Navayuvan Subramanian (@navayuvan) | Hashnode" description: "Ending boring work with AI 🧠 | Senior Full Stack dev building Agentic AI in production πŸ‘¨β€πŸ’» | Shipping in Public πŸš€ | AI Consultant" url: "https://hashnode.com/@navayuvan" --- @navayuvan # Navayuvan Subramanian @navayuvan Β· Chennai, Tamil Nadu, India Β· Joined November 2023 Ending boring work with AI 🧠 | Senior Full Stack dev building Agentic AI in production πŸ‘¨β€πŸ’» | Shipping in Public πŸš€ | AI Consultant [Website](https://www.navayuvan.com/) ### [How I Built a Fully Async Feature Pipeline With Claude, Notion & Vercel](https://blogs.navayuvan.com/how-i-built-a-fully-async-feature-pipeline-with-claude-notion-vercel?utm_source=hashnode&utm_medium=feed) The exact workflow I use to go from feature idea to merged PR β€” with 5 human approval gates, a 9am Claude routine, and mobile testing on Vercel previews. 5 min read Β· [blogs.navayuvan.com](https://blogs.navayuvan.com/how-i-built-a-fully-async-feature-pipeline-with-claude-notion-vercel?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/how-i-built-a-fully-async-feature-pipeline-with-claude-notion-vercel/6a48ca1c2cabafd5dbc1338c) [Jul 4](https://hashnode.com/posts/how-i-built-a-fully-async-feature-pipeline-with-claude-notion-vercel/6a48ca1c2cabafd5dbc1338c) ### [Three Layers of Tool Call Hardening for AI Agents](https://blogs.navayuvan.com/three-layers-of-tool-call-hardening-for-ai-agents?utm_source=hashnode&utm_medium=feed) Most devs focus on prompts and model choice. The real security gap is your tool schema. Here's how to harden AI agent tool calls in 3 layers. 6 min read Β· [blogs.navayuvan.com](https://blogs.navayuvan.com/three-layers-of-tool-call-hardening-for-ai-agents?utm_source=hashnode&utm_medium=feed) [May 11](https://hashnode.com/posts/three-layers-of-tool-call-hardening-for-ai-agents/6a020519fca21b0d4b47d18c) ### [I Reverse Engineered Claude's UI Widget β€” And It Changed How I Think About Building LLM Apps](https://blogs.navayuvan.com/i-reverse-engineered-claude-s-ui-wi-and-it-changed-how-i-think-about-building-llm-apps?utm_source=hashnode&utm_medium=feed) Anthropic doesn't use React components to render widget. They give Claude a design system and let it generate raw HTML/CSS/JS, rendered in an iframe. 5 min read Β· [blogs.navayuvan.com](https://blogs.navayuvan.com/i-reverse-engineered-claude-s-ui-wi-and-it-changed-how-i-think-about-building-llm-apps?utm_source=hashnode&utm_medium=feed) [Apr 22](https://hashnode.com/posts/i-reverse-engineered-claude-s-ui-wi-and-it-changed-how-i-think-about-building-llm-apps/69e8d2f15d1c107105555604) ### [Why Using Multiple Claude Code Accounts Is Broken β€” And the Setup That Finally Fixed It](https://blogs.navayuvan.com/multiple-claude-code-workspace?utm_source=hashnode&utm_medium=feed) Using multiple Claude Code accounts usually means duplicated settings, lost project history, and broken commands. Here’s the setup I use to share ever 4 min read Β· [blogs.navayuvan.com](https://blogs.navayuvan.com/multiple-claude-code-workspace?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/multiple-claude-code-workspace/69cfbefb21e7d635067549e0) [Apr 3](https://hashnode.com/posts/multiple-claude-code-workspace/69cfbefb21e7d635067549e0) ### [Why Most AI Coding Workflows Fail β€” and How Mine Cut 2 Weeks of Work to 2 Days](https://blogs.navayuvan.com/why-most-ai-coding-workflows-fail-and-how-mine-cut-2-weeks-of-work-to-2-days?utm_source=hashnode&utm_medium=feed) Lessons from building production features with AI, large codebases, and real constraints. 6 min read Β· [blogs.navayuvan.com](https://blogs.navayuvan.com/why-most-ai-coding-workflows-fail-and-how-mine-cut-2-weeks-of-work-to-2-days?utm_source=hashnode&utm_medium=feed) [Dec 23, 2025](https://hashnode.com/posts/why-most-ai-coding-workflows-fail-and-how-mine-cut-2-weeks-of-work-to-2-days/694a1c463e474f461b31ace8)