Why We Deleted Our MCP Server and Rebuilt It — Abhi Arya, Reducto

תקציר מקורי באנגליתReducto gave its whole team an MCP server with a tool for every endpoint. It broke the same day. Abhi Arya, who works on product at Reducto, argues that building agent-first software comes down to one question: who pays when the agent is wrong? He describes three approaches, auto mode, user-first, and agent experience in service of the user, and how Reducto learned the difference. A first MCP server with one tool per API endpoint demoed well but fell apart when the whole team used it: the agent built entire workflows confidently, and nobody could explain them. He deleted it in one commit and rebuilt with fewer tools that carry the structure of real work, plus a snapshot tool for live state. Then he made uncertainty visible, with confidence scores and an agent that asks instead of guessing,