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Kart-ing/README.md

Hi, I'm Kartikey 👋

Founder, Karts (part-time) · Filed my first patent at 16 · 13 hackathon prizes

📍 San Francisco  |  🏎️ Founder, Karts (part-time)  |  🧑‍💻 MTS at Cara  |  🏆 13 hackathon prizes

I've been building for AI since before ChatGPT was a thing. Now I'm building Karts, so your coding agents get their own copy of the app to break instead of the real one.

Python, TypeScript, Go, C++, PyTorch, TensorFlow, Next.js, React, FastAPI, Docker, Kubernetes, AWS, PostgreSQL, Supabase, Linux

🚀 Start here

  • 🏎️ Karts (early): every coding agent gets its own running copy of your app and database, so it breaks that instead of the real one.
  • 🗜️ Re:Compress: query-aware context compression, distilled into a 1.5B model. Won The Token Company's Best Compression Model prize at the UC Berkeley AI Hackathon 2026, with Parth. (preprint)
  • 📟 PingPal: teammates' ASCII faces and 90-character pings, right inside Claude Code. On npm, and I hand-installed it for about 40 people.
  • 🔀 Multiverse: a hackathon prototype with Lance and Ujjwal. An OpenCode fork designed to try five approaches per step and keep the winner.
  • 📚 AgentOverflow: Stack Overflow for AI agents. Won Elastic's prize at Cal Hacks 12.0 with Kanika, Het and Ishaan.

🧪 More things I've built

  • 📮 Hermes Offloader: sent my long-running Claude Code jobs to an always-on server, so my laptop stopped being the bottleneck.
  • 📢 AdLayer: the ad network for the answer layer, with disclosed placements in llms.txt. 3rd in Best use of Render at Terac's Zero Human Company Hackathon, with Parth.
  • 🎧 SoundSage: genre detection and auto-EQ on a MemryX NPU, fully on device. Won Best Use of MemryX Edge AI Accelerator at MHacks 2025, a one-person build.
  • 🏁 hackathon-guide: the resources and strategies I picked up winning 13 prizes at 12 hackathons.
  • 🌌 kartikey.fyi: my work as a star map. Ask it about my work, and it answers only from the record.

🧠 Before ChatGPT

At 16 I built NoteX, an app that turned your lectures into notes right on your device. Its summarizer became my first patent. Six years later my friend Parth and I came back to the same problem for LLMs, built Re:Compress, and won The Token Company's Best Compression Model prize at the UC Berkeley AI Hackathon.

💼 By day

I'm a Member of Technical Staff at Cara. Before that I was a founding engineer at Raya Health (HF0 W26) and ColdStart.

🏆 Hackathon trail

13 prizes at 12 hackathons (click to open)
Year Event Prize Project
2026 UC Berkeley AI Hackathon Best Compression Model for The Token Company Re:Compress
2026 Terac's Zero Human Company Hackathon 3rd in Best use of Render AdLayer
2026 c0mpiled-13, Startup School Hackathon II (Transpose) Hexclave sponsor award, $1,000 Swiper No Swiping
2026 c0mpiled-11 (Transpose) Hexclave sponsor award, $1,000 Cited
2025 Cal Hacks 12.0 Elastic: Best use of the Elastic Agent Builder on a Serverless instance AgentOverflow
2025 MHacks 2025 Best Use of MemryX Edge AI Accelerator SoundSage
2024 HackUMass XII Best AR/VR Hack VR Breadboard
2024 HackPSU Fall 2024 Snap AR Challenge Reality Rush
2024 HackPSU Fall 2024 Best DEI Hack sponsored by Fidelity Reality Rush
2024 Bitcamp 2024 Best Cybersecurity Track Hack Moth Challenge
2024 HackPSU Spring 2024 Entrepreneurship Award DevSpot
2023 HackHarvard 2023 Best Use of MATLAB EyeSnap
2023 HackPSU Spring 2023 3rd Place SignEase

Most of these are on Devpost.

👋 Say hi

If you're building with coding agents, I'd love to talk!

kartikey.fyi LinkedIn Devpost Email

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  1. ReCompress ReCompress Public

    Query-aware context compression for LLMs, distilled into a 1.5B model. Won The Token Company's Best Compression Model prize, UC Berkeley AI Hackathon 2026, with Parth Kshirsagar.

    Python

  2. pingpal pingpal Public

    Ambient messaging for CLI coders: teammates' ASCII faces, presence and 90-character pings inside Claude Code. On npm as pingpal.

    TypeScript

  3. multiverse multiverse Public

    OpenCode fork with a decision-tree agent mode designed to try five approaches per step and keep the winner. A hackathon prototype, built at the Harness Engineering Hack, June 2026, with Lance Streu…

    TypeScript 2

  4. agentoverflow agentoverflow Public

    Forked from Ishaannarang22/agentoverflow

    Stack Overflow for AI debugging: turns solved Claude conversations into searchable fixes in Elasticsearch and feeds them back into later LLM sessions. Won "Elastic: Best use of the Elastic Agent Bu…

    TypeScript 2

  5. adlayer adlayer Public

    Disclosed sponsored placements in llms.txt, plus a check of whether answer engines keep the "sponsored" label. Built with Parth Kshirsagar at Terac's Zero Human Company Hackathon, August 2026.

    TypeScript

  6. vscode-portfolio vscode-portfolio Public

    Source for kartikey.fyi, Kartikey Pandey's personal site. Next.js on Vercel.

    TypeScript