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MuyangAmigo/README.md

Hi, I'm Junjie Li πŸ‘‹

πŸš€ Product builder focused on AI developer tools, pro-code platforms, and launches that scale

Typing SVG

✨ About Me

I build developer products from idea to launch, with a focus on tools for developers and AI builders. My path runs from engineering at Apple, to marketplace and platform product work at Trip.com, to developer platforms at Microsoft. Today in CoreAI, I work on products that make AI development more approachable, more productive, and more deployable inside the workflows developers already use.

🧰 What I Build

  • πŸ€– AI developer tools that unify model discovery, prompting, debugging, evaluation, and deployment.
  • πŸ› οΈ Pro-code platforms that reduce setup friction and help developers move from prototype to production faster.
  • πŸ“¦ Product experiences that connect strategy, UX, and engineering into launches developers actually notice.

⚑ What I Care About

  • Developer experience as a product advantage, not an afterthought.
  • Shipping tools that close the gap between experimentation and production.
  • Turning platform complexity into workflows that feel obvious.

πŸ“ˆ Selected Launches

  • πŸš€ AI Toolkit for VS Code: Led product strategy for a unified AI development experience in VS Code, growing usage from 15K to 60K MAU in 6 months and scaling the product to 1M+ installs. Shipped major launches across agent building, debugging, evaluation, and deployment.
  • 🧩 Microsoft 365 Agents Toolkit: Helped build and evolve the pro-code toolkit for Teams, Copilot, and Outlook developers, serving 20K+ monthly active developers and reaching 443K+ installs.
  • ✈️ Trip.com Flight Platform: Led product work on flight booking and post-booking systems serving 400M+ annual users, including launches for refund and exchange automation plus supplier tooling for 200+ airline partners.
  • 🍎 Apple Online Store Checkout: Contributed as an engineer to checkout redesign work, including API optimizations that reduced calls by 40%.

🎯 Right Now

  • Building AI Toolkit experiences for agent creation, debugging, evaluation, and deployment in VS Code.
  • Exploring how AI developer tools can better connect local workflows, cloud platforms, and team collaboration.
  • Writing about product launches, developer platforms, and lessons from building tools at scale.

🌐 Featured Work

✍️ Writing

🀝 Find Me

Website LinkedIn GitHub Email

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  1. OfficeDev/microsoft-365-agents-toolkit OfficeDev/microsoft-365-agents-toolkit Public

    Developer tools for building Teams apps

    TypeScript 706 292

  2. VPNOnAzure VPNOnAzure Public

    Personal VPN on Azure with WireGuard + Xray VLESS+Reality

    Shell