Developer Releases Open-Source Claude Code Plugin With 3,500+ Tests for Context Control

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A developer has released an open-source Python plugin called Chamnan (v1.22.1) designed to improve context management, token budgeting, and security when working with Claude Code on large or sensitive codebases. Built using only Python's standard library with no external dependencies, the tool pre-processes repository data locally before it reaches Claude Code, preventing unintended data leaks. The plugin also retains session memory across interactions, reducing redundant token usage by storing project history and architectural decisions in a local directory. Development involved reviewing over 1,000 research papers and technical documents, with reliability validated through more than 3,500 automated tests. The developer has published the project on GitHub and is seeking community feedback on edge cases, safety features, and potential improvements.

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