PromptMask

Local privacy filter that redacts secrets before they reach an AI provider.

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PromptMask is a local, LLM-based privacy filter that intercepts prompts before they reach an AI provider and strips out secrets, integrating as a Python library, OpenAI SDK drop-in replacement, API gateway, or web server.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of PromptMask - 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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