Tierux Blog Practical guides on in-app purchase verification, Google Play billing migration, MCP agent setup, and the economics of subscription apps. https://tierux.com/blog 2026-06-28T00:00:00Z Tierux Team Setting up MCP for AI agent billing https://tierux.com/blog/mcp-ai-agent-billing-setup 2026-06-28T00:00:00Z 2026-06-28T00:00:00Z How to connect the Tierux MCP server to your AI coding agent and let it wire up your entire subscription stack in one prompt. Server-side purchase verification: the definitive guide https://tierux.com/blog/server-side-purchase-verification-guide 2026-06-26T00:00:00Z 2026-06-26T00:00:00Z Why client-side verification is advisory at best, how server-side verification actually works, and the common engineering pitfalls when building it yourself. Migrating to Google Play Billing 7: what changed https://tierux.com/blog/google-play-billing-migration-guide 2026-06-24T00:00:00Z 2026-06-24T00:00:00Z The key differences in Billing Library 7, how to handle the new subscription lifecycle APIs, and what breaks when you migrate from Billing 5 or 6. No revenue tax: how app store fees compound https://tierux.com/blog/no-revenue-tax-app-store-fees 2026-06-22T00:00:00Z 2026-06-22T00:00:00Z Apple and Google take 15-30%. Revenue-share billing tools take another ~1%. Here is how these fees compound and why flat-fee billing infrastructure changes the math.