# Mayank Gupta

> Mayank Gupta is a software engineer and product builder in India: 7 years shipping backends, data and AI pipelines (OCR, computer vision, LLMs, evals, MCP servers) and the interfaces on top. He also makes his own Mac and web apps, in public.

## Products
- [RSS Rescue](https://rssrescue.mayankbuilds.com): Reddit turns off RSS on November 13, 2026. Drop in your feed list to see which feeds stop and get replacements (Lemmy, Mastodon, Hacker News) as a new OPML file. Free, runs in your browser.
- [Tidzy](https://gettidzy.app): find files in plain English, free up storage and keep sensitive files under control on Mac. Mac Checkup gives a Clutter score from 0 to 100, and Developer Junk clears old node_modules and Xcode caches with one Undo. Everything runs on the Mac, no account. Free to download; cleanup actions unlock with a one-time license.
- [Copse](https://copse.mayankbuilds.com): a fast, private clipboard manager for Mac. Free for 7 days, then $2.99 once. Its own summary is at https://copse.mayankbuilds.com/llms.txt
- [Prompt Vault](https://github.com/mayank2424/prompt-vault): save and reuse your AI prompts, offline. Open source.

## Engineering
- [DesignMD](https://designmd.me) (at Crowdlinker): point it at any website and get a buildable DESIGN.md design system spec with an HTML preview.
- Document intelligence pipeline (at Crowdlinker): reads manufacturing drawings and quotes them automatically with OCR, a real-time YOLO model and LLMs.
- LLM evaluation framework (at Crowdlinker): F1-based benchmarks of Claude, GPT, Llama and Gemini.
- Ligo (at Crowdlinker): backend for a 100K-user music collaboration platform (ElasticSearch over PostgreSQL microservices).
- MCP servers: a Harvest time-tracking server, and contributions to the official Shortcut MCP server.
- Email warmup (at Grorapid Labs): headless browser automation that lifted Gmail deliverability by up to 25%.

## Experience
- Crowdlinker: Senior Software Engineer, Nov 2021 to now (remote, Toronto)
- Grorapid Labs: Senior Consultant, Full Stack, Jan 2022 to 2025 (remote)
- Camp K12: Full-Stack Software Engineer, Jan 2020 to Jan 2022 (Gurgaon)
- Cutshort: Full-Stack Developer, Nov 2019 to Apr 2020 (Pune)

## Writing
- [Building Tidzy: 7 problems I solved to make a Mac app people keep](https://mayankgupta1338.medium.com/building-tidzy-7-problems-i-solved-to-make-a-mac-app-people-keep-tidzy-03368cbeaf52)
- [Upstream vs downstream in microservices](https://mayankgupta1338.medium.com/upstream-vs-downstream-in-microservices-aa287d89d258)
- [Understanding the JavaScript event loop](https://mayankgupta1338.medium.com/understanding-the-javascript-event-loop-9dd4278ad8df)
- All posts: https://medium.com/@mayankgupta1338

## Contact
- Email: hello@mayankbuilds.com
- [X](https://x.com/mayank0324)
- [GitHub](https://github.com/mayank2424)
- [LinkedIn](https://linkedin.com/in/mayank-g-a9182b12b)
- [Medium](https://medium.com/@mayankgupta1338)