Who is sagar_builds? The Story Behind the Brand

May 25, 2026

Who is sagar_builds?

If you've come across @sagar_builds on Instagram, X (Twitter), or GitHub, you've probably seen the builds — AI tools running on Android phones, MCP servers scaffolded in 30 seconds, full-stack apps shipped overnight.

sagar_builds is the internet identity of Sagar Tamang — an AI engineer, product builder, and content creator based in Bangalore, India.

The Origin of sagar_builds

The name is literal. Sagar builds things.

Not plans. Not pitch decks. Not wireframes that sit in Figma for six months. Actual working products — shipped, deployed, and open for the world to use.

The underscore in sagar_builds started as a Twitter handle because sagarbuilds was already taken. But it stuck, because it captures the philosophy perfectly: Sagar (the person) + builds (the verb, the output, the identity).

Every piece of content on @sagar_builds follows one rule: show the build, not just the idea.

What Has sagar_builds Built?

Here's a non-exhaustive list of things Sagar Tamang has shipped:

AI & Machine Learning

  • AI models running locally on Android — DeepSeek, Qwen 3.5, Microsoft Phi, and image generation models, all running entirely on-device via Termux
  • FrameSeek — semantic video search powered by CLIP embeddings
  • FRIDAY — a J.A.R.V.I.S-inspired AI assistant with voice interaction, real-time web search, and multi-modal capabilities
  • AI Therapist — a fine-tuned conversational AI for mental health support

Developer Tools

  • Groww MCP Server — enables Claude to trade stocks on your behalf through Composio and MCP
  • ChatGPT Browser MCP — an MCP server that lets AI agents use ChatGPT through browser automation
  • Private Search Engine — a self-hosted, AI-powered search engine using SearXNG

Web & Product

  • Success Scholar — an EdTech platform connecting students with scholarship opportunities
  • BharatGPT — Indian language-first AI assistant
  • ATS Resume Checker — AI-powered resume analysis against job descriptions
  • This very website — sagartamang.com, designed and built from scratch with Next.js

Infrastructure & Homelab

  • Docker on Android — running full Docker containers inside Termux, no root required
  • n8n self-hosted on Android — workflow automation running on a phone
  • Kali Linux on Android — a full penetration testing setup inside Termux
  • Private home server from an old Android phone — SSH, Tailscale, persistent sessions

You can explore all projects on the projects page.

The sagar_builds Tech Stack

What sagar_builds uses to ship fast:

| Layer | Tools | |-------|-------| | AI / ML | Python, PyTorch, Hugging Face, LangChain, OpenAI API | | Backend | Django, FastAPI, Flask | | Frontend | Next.js, React, TypeScript | | Infra | Docker, Vercel, AWS EC2, Tailscale | | Content | Instagram Reels, YouTube, this blog | | IDE | VS Code, Cursor | | Mobile | Termux (Android) — yes, Sagar builds on phones too |

Where to Find sagar_builds

| Platform | Handle | |----------|--------| | Instagram | @sagar_builds | | X (Twitter) | @sagar_builds | | GitHub | SAGAR-TAMANG | | LinkedIn | sagar-tmg | | Google Scholar | Sagar Tamang | | Website | sagartamang.com | | Cal.com | Book a meeting |

The Background

Sagar Tamang is originally from Nepal. Gold medalist in his bachelor's degree. Currently pursuing a Master's at IIT Patna and IIIT Ranchi while working as an AI Engineer at TwoSpoon.ai in Bangalore.

Previous experience includes:

Research credentials: 4 best paper awards, 30+ citations on Google Scholar, with publications in NLP, neural machine translation, and computer vision.

The Philosophy

"I build fast."

That's the tagline on sagartamang.com, and it's not marketing. It's a constraint.

sagar_builds ships by imposing ruthless constraints:

  • No overengineering — the simplest solution that works, deployed today
  • Build in public — every project gets a reel, a blog post, or a GitHub repo
  • Learn by building — tutorials on this blog aren't theoretical; they come from real builds
  • Android-first experimentation — if it can run on a phone, it can run anywhere

What's Next for sagar_builds?

More builds. More tutorials. More tools.

If you're looking for AI engineering tutorials, build breakdowns, or developer content, follow @sagar_builds on Instagram and X.

Want to work together? Book a slot on Cal.com or check out the resume.

This is the official page for sagar_builds. The brand, the builder, the builds — all at sagartamang.com.