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Prefactor is an observability and evaluation platform for AI agents that scores every agent run in production for quality, drift, and risk, then enforces policies by pausing, throttling, or requiring approval on risky runs at runtime. It targets engineering teams building AI agents, integrating via TypeScript and Python SDKs with frameworks like LangChain, Claude, Vercel AI, OpenClaw, and LiveKit.
Founders & leadership
MD
Matt DoughtyFounder
SR
Simon RussellFounder
Investors · 3
In the news
Frequently asked questions
- What does Prefactor do?
- Prefactor is an observability and evaluation platform for AI agents that scores every agent run in production for quality, drift, and risk, then enforces policies by pausing, throttling, or requiring approval on risky runs at runtime. It targets engineering teams building AI agents, integrating via TypeScript and Python SDKs with frameworks like LangChain, Claude, Vercel AI, OpenClaw, and LiveKit.
- Who are Prefactor's investors?
- Prefactor's investors include Antler, Black Nova VC, PSG Equity.