built an open-source reliability layer for AI agents , three tools, all live, zero infrastructure cost

Over the last few months I identified three problems that every developer building AI agents hits in production — and built a standalone open-source tool for each one. Together they form the Thread Suite. The Problem Space When you deploy an AI agent to production, you face three specific failure modes: Failure Mode 1 — Structural corruption Your agent returns conversational text instead of JSON. Or missing fields. Or wrong types. Your database gets dirty data. Your pipeline crashes silently. Failure Mode 2 — Behavior drift Your agent starts behaving differently across runs. Hallucinating. Refusing. Formatting incorrectly. You find out when a user complains — not before. Failure Mode 3 — Prompt degradation You change a prompt and have no idea if performance improved or degraded. There's no version history. No metrics. No rollback. The Three Tools Iron-Thread Middleware that sits between your AI model and your database. Validates output structure against a defined schema. Blocks failure