Yijun Lee

Yijun Lee

🚀 Building Heimdall
#83185839 followers8 following
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About

Hi, I’m Yijun Lee and I’m building Tachyon, an intelligent agent platform built on top of MCP. The name “Tachyon” comes from the hypothetical particle that travels faster than light. I chose it because we’re aiming to break conventional boundaries — just like tachyons challenge the limits of physics, we’re trying to redefine how agents and tools connect and work together. If you’re into Agents, MCP, or just curious about the future of workflow automation, I’d love to connect and chat!

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Yijun Lee•

7d ago

Heimdall - Open Source Observability Platform for MCP Servers & Apps

Heimdall helps teams that ship MCP servers or ChatGPT Apps—like Canva, Notion, mem0, and context7—understand and monitor how AI agents actually use their services in production.
Yijun Lee•

7mo ago

What Makes a Meaningful Pursuit for an Early-Stage Startup?

When building a product as a startup, it s almost inevitable that you ll reach a point where you need to pivot, whether it s at the hypothesis stage or after launching a product. But how can we ensure that a pivot becomes more than just a change in direction and actually leads to real growth for the team and product?

My conclusion was this: we need to clearly define the domain we want to focus on and pivot only within that space.

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