ctxguard is an open-source Python package designed to block secrets, credentials, and sensitive files from being included in the context window of AI coding agents. It helps developers ensure that confidential information is not inadvertently exposed during AI-assisted coding sessions. The tool is suitable for developers integrating AI agents into their workflows.
ctxguard is a Security & compliance platforms product. It focuses on preventing secrets and sensitive files from being exposed to AI coding agents during code execution. It is built as an open-source project for developers working with AI coding agents. ctxguard is open source under the MIT license. ctxguard is available on the command line, and it can be self-hosted.
It is developed by Ismail Rhoulam, and the product first shipped in 2026. Development happens publicly on GitHub with 10 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — ctxguard occupies a relatively distinct niche. Key capabilities include secret detection, credential blocking, and sensitive file protection.
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