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HarnessTax: How Much Does the Harness Matter for Coding Agents?

233 points · 99 comments · matt_d

  1. glub · · focus · HN ↗
    I came to conclusion that all I really care about from the harness is interoperability. I want to be able to switch providers, models at any point in any session or between sessions in a single action, and I want my transcripts to be in one single format from the beginning till the end of time.

    I want one place where I define project prompt, one place where I define project agents, MCPs, config. And all of this immediately rules out any lab-provided harness.

    1. abhinavssram · · focus · HN ↗
      So did you build your own thats fit this use case ?
      1. glub · · focus · HN ↗
        I did, initially. Then working on it distracted me from my actual work.

        oh-my-pi then matched most closely to what I had built. I've been running it for the past 2 months with no complaints.

        Claude implementation is technically ToS breaking, but my 3 accounts are fine so far.

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