PromptSentry

PromptSentry is a web app + API that lets teams create, version, and deploy “prompt endpoints” for GPT-style models with built-in monitoring. Developers define prompts as templates with variables, attach evaluation tests (golden answers, rubric scoring, toxicity checks), and publish a stable API route that apps can call. Every request is logged with latency, cost, model version, and output quality signals, enabling dashboards and alerts when behavior drifts. PromptSentry supports environment promotion (dev/stage/prod), rollbacks, and A/B experiments to compare prompt variants. It also provides redaction rules for PII, configurable retention, and export to your data warehouse. The goal is to make prompt changes as safe and observable as code changes, without building a bespoke internal platform. Works best for SaaS products and internal tools that rely on LLM responses and need reliability, compliance, and predictable costs.