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YosefHayim/README.md

Hi, I'm Yosef

Welcome, and thanks for stopping by. I'm an x10 AI-native developer based in Tel Aviv. I work side by side with AI agents every day, and I build the tools that make that work better: agent tooling, MCP servers, and full-stack TypeScript apps for web and mobile.

Whether you have a project in mind, want to build something open source together, or are looking for a speaker, I'd love to hear from you.

Website · LinkedIn · Email

Work with me

  • Freelance: AI agent integrations, MCP servers, React and React Native apps, Cloudflare Workers backends. Email me a short description of the project.
  • Open source: Issues and pull requests on my projects are welcome. I also contribute to tools I use.
  • Talks: Open to meetups, podcasts and conferences on building AI agent tooling and MCP servers.

Selected projects

  • ebay-mcp: MCP server that connects AI assistants to the eBay seller APIs.
  • launch-store: Self-hosted EAS alternative that builds, signs and ships Expo apps to the App Store and Google Play.
  • ai-browser-bridge: macOS CLI that drives ChatGPT, Gemini and Claude web chats in Chrome, with repo tools over MCP.
  • expo-mediapipe-pose: Expo module for on-device pose detection in camera, photo and video.
  • fresh-squeezy: CLI and library that checks a Lemon Squeezy billing setup in CI.
  • planpage: CLI that turns AI agent plans into local HTML pages you can comment on.

Background

  • Freelance AI-native developer, now
  • Predicto: software engineer, 11 months
  • Wotch: internship at a clinical-workflow startup
  • Atidim, Ministry of Defense full-stack program, 2024 to 2025, graduated with excellence
  • Combat soldier, Nahal Brigade, 2018 to 2021

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  1. ebay-mcp ebay-mcp Public

    Local MCP server that connects AI assistants to eBay seller APIs for listings, orders, and marketing, with OAuth setup.

    TypeScript 193 72

  2. launch-store launch-store Public

    Self-hosted EAS alternative that builds, signs, and ships Expo/React Native apps to the App Store and Google Play.

    TypeScript 11 4

  3. ai-browser-bridge ai-browser-bridge Public

    macOS CLI that drives ChatGPT, Gemini, Claude, and other web chats in Chrome, with sandboxed repo tools over MCP.

    TypeScript 8 9

  4. expo-mediapipe-pose expo-mediapipe-pose Public

    Expo module for on-device MediaPipe pose detection in camera, photo, and video, with custom skeletons and feedback rules.

    TypeScript 1