MRRdue is a Stripe revenue recovery and MRR monitoring tool for indie developers. Connect a read-only Stripe key and catch at-risk revenue before it's gone. Failed payments trigger recovery emails, and Webhook Doctor alerts you if your Stripe webhooks go silent. Two paid tiers, Monitor and Automate, plus a REST API and MCP server.

AI Search Audit helps businesses improve their visibility across AI search engines such as ChatGPT, Gemini, Claude, and Perplexity. It audits websites for AI-search readiness, identifies technical and content gaps, provides evidence-based recommendations, and is evolving into an end-to-end Audit → Fix → Deploy → Verify platform.