Saffron Health has open-sourced Libretto, a toolkit for building deterministic web browser automations designed to work with coding agents. It provides a live browser, token-efficient CLI for page inspection, network traffic capture for API reverse-engineering, and action recording/replay capabilities. The tool supports multiple AI providers (OpenAI, Anthropic, Gemini, Vertex) with interactive debugging for broken workflows.
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Show HN: Libretto – Making AI browser automations deterministic
Saffron Health's open-sourced Libretto toolkit tackles determinism in AI browser automation by coupling live debugging and network traffic capture with multi-provider agent support.
Wednesday, April 15, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline
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