Gator verdict: approved

This is a genuine builder's account of shipping a real SaaS product by deliberately separating agentic work (Amp) from deterministic automation (Swamp), with specific technical detail, cost numbers, and hard-won lessons — squarely in the Original Builds and Hard-won Technical Writeups lanes.

Amp Is the Harness, Swamp Is the Runtime | matgreten.dev

by mgreten17d agomatgreten.dev

https://matgreten.dev/posts/amp-is-the-harness-swamp-is-the-runtime ↗

A developer describes shipping their first independent SaaS app by separating agentic work (handled by Amp) from deterministic, typed automation (handled by Swamp), explaining why this division replaced a prior general-purpose agent architecture.