Blogs›Discord›Safety Rules Engine
Discord has open-sourced Osprey, its safety rules engine, to help companies build stronger safety measures. Osprey allows teams to investigate real-time activities and deploy dynamic rules to address emerging threats with minimal engineering overhead. ROOST has now announced Osprey as a free, open-source tool for the AI era, making it accessible to organizations of all sizes. The open-sourcing of Osprey by ROOST signifies a commitment to shared safety technologies and accelerating innovation in this domain.
3/16/2026
This post announces the open-sourcing of Osprey, Discord's safety rules engine, by ROOST. It highlights the technology's capability in evaluating actions to catch threats, flagging suspicious logins, catching harmful content, and stopping bot attacks. The post emphasizes the vision of making safety tools open and shared, and that this open-sourcing is a proof point of ROOST's first year.
2/19/2026
This post introduces Osprey, Discord's open-sourced safety rules engine. It details what Osprey is, how it works, and provides guidance on how teams can use it to implement safety measures. The post highlights Osprey's ability to investigate real-time activities and deploy dynamic rules for threat mitigation.
7/21/2025
Discord donated Osprey, its open-source investigation and incident response tool for safety teams, to ROOST to be made available as a public good. This donation aims to democratize access to enterprise-grade content safety and threat investigation capabilities.