Engineers Say Context and Reliability Outweigh Models for Agents
Quotes from creators highlight agreement that context, tools, and reliability matter more than models when building agents.
TLDR
Kim Isenberg posted about Michael Matloka, who joined PostHog as employee five after high school and later led its AI efforts. Matloka's reported lesson is that the model is rarely the hardest part of building agents. Context, tools, permissions, and reliability instead decide whether an agent works. Santiago Valdarrama replied that he agrees, stressing that everything around the model determines success. He added that context, permissions, integrations, and reliability are essential, calling harnesses crucial to the experience.
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SA 
Santiago@svpinoMichael and I agree on something very important: The model isn't the hard part; everything around the model is. To build useful agents, focus on context, permissions, integrations, and reliability. In other words: harnesses are crucial to the experience.…
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- reposts: 4
CH Chubby♨️@kimmonismusI found Michael Matloka’s path really interesting. He joined PostHog as employee number five straight out of high school and later started and led PostHog AI. His main lesson from building agents: the model is rarely the hardest part. Context, tools, permissions and…
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EL elvis@omarsar0Not only are these guys growing really fast in terms of revenue, but they are also making big hires (one of the hardest things today). They must be doing something right. Michael Matloka built PostHog AI and has lots of interesting takes on agent harnesses. Super hire!…
- likes: 17
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AM Anees Merchant@aneesmerchant@svpino Agreed, and the piece teams underinvest in is the retrieval side of context. Moving to a better model improves quality a little. Fixing what actually gets into the window improves it far more, and it does not need a new vendor contract.
JJ Jack Jia@qbean_jackjia@svpino What? Model is the most important part. Maybe you mean something else.
KG Kaan Can Guven@kaanbuildsai@kimmonismus Joined at 18 and built the whole AI arm. That's just different.