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Let the model write, not compute: lessons from an MCP coach

This story is from 2026-10-23. It is preserved in the archive; the latest stories are on the live feed.

Short answer In GymRap, my personal strength coach, the language model never produces a number. A Cloudflare Worker computes every score and target in tested code; ChatGPT connects to it as a remote MCP server, reads a structured brief and writes only the coaching text, which the server validates a…

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  1. 2026-10-23 16:05 · DEV Community — AI
    Let the model write, not compute: lessons from an MCP coach

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