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Dex Horthy

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Dex Horthy on agent reliability threshold, developer experience, human-agent interaction. Explore 3 viewpoints by topic, with evidence from 1 source.

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agent reliability threshold

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agent reliability threshold

70–80% quality is insufficient for production

Seventy to eighty percent functionality is enough to excite leadership and grow the team, but not enough to meet the reliability threshold for production use—beyond that point, developers confront deep, opaque call stacks and prompt or tooling complexity.

Supporting evidence

Dex Horthy·

12-Factor Agents: Patterns of reliable LLM applications — Dex Horthy, HumanLayer

Original excerpt

It's enough to get the CEO excited and get six more people added to your team. But then you kinda realize that seventy, eighty percent isn't quite good enough, and that if you wanna get past that seventy, eighty percent quality bar, you're seven layers deep in a call stack trying to reverse engineer how does this prompt get built
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developer experience

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developer experience

Scaffolded, owned code over wrappers

Dex Horthy argues against wrappers around internal abstractions and instead advocates for scaffolded, developer-owned code—comparing ideal tooling to shadcn, where generated code is fully owned and modifiable by the developer.

Supporting evidence

Dex Horthy·

12-Factor Agents: Patterns of reliable LLM applications — Dex Horthy, HumanLayer

Original excerpt

You don't need a wrapper around an internal thing. You need something more like shadcn, which is like scaffold it out, and then I'll own it, and I'll own the code and I'm okay with that.
Open original · 15:00 (opens in a new tab)Transcript source (opens in a new tab)

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human-agent interaction

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human-agent interaction

Agents are better with humans

Dex Horthy says agents are better with people and encourages builders to find ways for agents to collaborate with humans.

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Dex Horthy·

12-Factor Agents: Patterns of reliable LLM applications — Dex Horthy, HumanLayer

Original excerpt

Um, and my take, agents are better with people. Find ways to let agents collaborate with humans.
Context

Um, there are hard things in building agents, but you should probably do them anyways, at least for now, and you should do most of them.

Open original · 15:38 (opens in a new tab)Transcript source (opens in a new tab)

Start time comes from the supplied transcript. Playback alignment is awaiting review.

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Statements are ordered by the original source publication date; differences in wording do not establish a change of position.