--- title: "Mainspring: Built with ProductOS | ProductOS" description: "Mainspring is the brand site for an AI-automation agency that designs, builds, and operates custom agents for operations teams, order-to-cash, prior-auth, suppo" url: https://productos.dev/showcase/mainspring --- [ Back to Showcase](https://productos.dev/showcase) Brand site Design surface Mainspring # The AI agents that run your back office, mapped, built, and operated by one team Mainspring is the brand site for an AI-automation agency that designs, builds, and operates custom agents for operations teams, order-to-cash, prior-auth, support triage, reconciliation. A SEO-first Astro site in a Linear-style dark technical system: an AI-generated agent-network hero still over a hand-built 'Mainspring Atlas' product-console mockup whose run table shows the unhappy paths too (needs-review, escalated, failed), then services, a Map/Build/Operate process, three outcome-led case studies, engagement tiers, and an FAQ. Realistic invented brand, no lorem ipsum, no stock photography. [View live ](https://mainspring-twjl.vercel.app/) [Use as a template →](https://design.productos.dev/templates) Mainspring · Live project ## How it was built - Agency positioning + believable brand, services and stats defined from the brief - Linear-style DESIGN.md adapted into Tailwind v4 @theme: near-black canvas, one lavender accent - Static Astro build, sticky nav, image hero, hand-built Atlas console, services, work, pricing, FAQ - Cinematic agent-network hero still generated by the AI media pipeline (no real trademarks) - Deployed to Vercel from the productos-agents org with the ProductOS attribution set ## Stack Astro Tailwind v4 @fontsource TypeScript AI media pipeline ## Built on [ProductOS Design surface ](https://design.productos.dev/) 3.4M tasks/mo run autonomously (demo brand) 94% first-pass accuracy across agents 14 days median from audit to first live agent ## Build something like Mainspring Give the agents a brief. Get a deployed product. Every project in the showcase started as a single prompt. [Start building](https://beta.productos.dev/sign-up?utm%5Fsource=productos.dev/showcase) [Back to Showcase](https://productos.dev/showcase)