Generative UI... in Python? — Jeremiah Lowin, Prefect

תקציר מקורי באנגליתBecause only the agent can reach an MCP server, a naive file upload tool makes the agent retype the file into the server character by character. Jeremiah Lowin calls it the world's most expensive copy paste operation, and it is the problem MCP apps exist to remove. Lowin is founder and CEO of Prefect and the author of FastMCP. MCP apps, a protocol extension added this year, let a tool result skip the agent and arrive at the user as HTML, CSS, and JavaScript: a real interface a person can click. That solves one problem and creates another, because FastMCP's users are overwhelmingly Python engineers inside enterprises, and shipping React from Python is not something he would pretend to do. The way out was constraining the problem. His users are not building consumer facing branded products;