Replit's Shlomi Fruchter: MCP, Harness and Skills are absurd concepts doomed like prompt engineering
shlomifruchter · x · 2026-10-06
Shlomi Fruchter, design lead at Replit, called MCP, Harness, and Skills — three of the hottest concepts in the current agent ecosystem — "absurd and unnecessary," predicting they will all go the way of prompt engineering.
The take directly challenges the mainstream narrative around these standardization layers in agent tooling.
Related event: Replit Design Lead Calls MCP, Harness and Skills Unnecessary(2 posts)→
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