An open-source tool that creates isolated local preview environments for full-stack applications including frontend, backend, databases and Redis.
Yes. It has native MCP support so agents can start, stop and inspect previews without manual intervention.
Managed PostgreSQL and Redis. Additional services can be defined in preview.yaml.
Yes. Previewhost is open source under the MIT license and runs entirely on your machine.
Node.js 22.23 or later. Supports macOS, Linux and Windows.
Secrets are stored as references in configuration and entered privately outside of agent chats.