why not? what in the current harnesses are not bitter lesson-pilled? off top of head: will go away: - planning tools - compaction (or at lea…

why not? what in the current harnesses are not bitter lesson-pilled? off top of head: will go away: - planning tools - compaction (or at least will matter less) not going away: - sub agents - skills - filesystem access - bash - websearch - mcps what else? @hwchase17 I'll play devil's advocate and say that it's also much easier to accumulate bloat. current harness designs are not very bitter lesson-pilled

great question! knowledge (system prompt, skills) and tools (apis, clis, whatnot) will always be needed, even as the best way to build agent…
im excited about agent harnesses because i think are the first stable agent abstractions we can build on top (which is why we're investing s…
Another banger article from the @LangChain team! Harness evolution combined with specialist local models will be the way forward undoubtedly…
tldr: everyone is converging on the same product shape: a general harness that takes a goal, uses tools, and does knowledge work. once every…
Agree! Such sub agents are going to be big

Source: Harrison Chase (X) | 2026-04-10

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