Subtrace

Free network inspector that shows HTTP requests happening on a backend server.

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Subtrace is a free network inspector that lets backend developers see HTTP requests happening on a server with a single command, working with Docker, Docker Compose, and Kubernetes on Linux (macOS support is in private beta). It's aimed at developers who want quick backend traffic visibility without adding logging code or a heavyweight proxy setup.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Subtrace - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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