HustleStats Firebase Migration: 5-Agent A2A Architecture on Day One

Mon, 10 Nov 2025 10:00:00 -0600

Four commits to kick off the HustleStats Firebase migration. The previous stack – Next.js on Cloud Run with Prisma and PostgreSQL – worked but cost $72/month for a youth sports app with minimal traffic. Firebase brings that down to an estimated $20/month. The tradeoff is a complete backend rewrite.

The 5-Agent A2A Architecture

HustleStats is a youth soccer statistics tracker. Parents log games, coaches review performance, kids see their highlights. The new backend uses Google’s Agent-to-Agent (A2A) protocol with five agents:

IAE Product Architecture: Building a Sellable AI Agent with A2A Protocol and Modular Pricing

Mon, 27 Oct 2025 10:00:00 -0500

Most AI agent projects die as consulting engagements. Someone builds a custom workflow, charges hourly, and the moment they stop touching it, the client churns. The agent was never a product — it was a service wearing a product’s clothes.

I spent the last week turning our intelligence agent into something with a SKU. The result is the Intent Agent Engine (IAE): a two-layer architecture built on Google’s A2A Protocol, with modular pricing that lets customers buy exactly the capability they need. Here’s how the architecture decisions drove the pricing, and why the obvious approach — one agent, one price — would have killed the business.

A2a on Start AI Tools - Presented by Intent Solutions

HustleStats Firebase Migration: 5-Agent A2A Architecture on Day One

The 5-Agent A2A Architecture

IAE Product Architecture: Building a Sellable AI Agent with A2A Protocol and Modular Pricing