I build AI agents and the systems they run on, the way Factorio (opens in a new tab) taught me: design the factory, don't do the work. When the open-source agents I use fall short, I fix them upstream on GitHub (opens in a new tab).

Read the letter

A letter from Manlun

Hey there,

Thanks for climbing all the way up here.

I'm Manlun. I've loved computers for as long as I can remember, and somewhere in the countless hours I spent in Factorio I learned the lesson that still shapes how I work: the real game is never doing the work yourself — it's designing the factory that does it for you.

These days that factory is made of AI agents. I'm a founding engineer building agent products, the runtimes they run on, and the developer tools around them — the unglamorous parts like sessions, sandboxes, routing and evaluation loops that decide whether an agent actually ships. When the open-source agents I rely on fall short, I fix them upstream.

Away from the keyboard I'm usually watching something (opens in a new tab) — anything Larry David first — or playing something (opens in a new tab), from puzzle games like Recursed to a long night of Factorio. And when I'm overthinking something, I write it down on my blog (opens in a new tab).

If any of this resonates, write back — I read every letter.

Manlun

Write backBook a call (opens in a new tab)

Work

  1. to Present · you are here

    Eragon AI (opens in a new tab)

    Founding Engineer

    Ship the agent runtime (sessions, skills, memory and knowledge) and put it in front of users through the web client, chat-app integrations and a cross-platform desktop app.

    Build the multi-provider model gateway behind Eragon's agent workspace, routing each step to the right model, failing over between providers and metering every token through to billing and analytics.

    • TypeScript
    • Python
    • AI Agents
    • LLM Gateways
    • AWS

  2. to

    Yansu (opens in a new tab)

    Founding Engineer

    Built Yansu, the proactive desktop AI that turns how you work into knowledge, handoffs and automations.

    • AI Agents
    • MCP
    • Go
    • Wails

  3. to

    CapGo AI (opens in a new tab)

    Senior AI Engineer

    First engineering hire. Built the programmatic SEO engine that turns a data table into thousands of pages, from the template editor to publishing on custom domains, Cloudflare and Webflow.

    • TypeScript
    • React
    • LLM APIs
    • Cloudflare Workers

  4. to

    Autodesk (opens in a new tab)

    Software Engineer

    Kept Inventor's builds healthy with a GitHub commit-check pipeline, a React deployment dashboard and Slack alerts for pipeline health.

  5. to

    MCT

    Frontend Developer

    Shipped CareConnect's payment flows, rebuilt its transaction page on the new design system and sped up its webpack/Babel builds.

Open source

More on GitHubstars as of

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