A new Node.js CLI tool called ctxpack has been developed to help developers more safely and efficiently feed codebases into large language models. The tool addresses two common failure modes: accidental credential leakage and exceeding context window limits. By default, ctxpack scans code for API keys and other secrets, redacting them before they are sent to the LLM, and it also estimates token counts to ensure the code fits within the target model's context window. The tool supports various LLM presets, including Claude Fable 5, GPT-5/4.1, and Gemini 2.5 Pro, and is open-source under the MIT license. AI
IMPACT Enhances developer workflows by mitigating risks of credential leaks and context window overages when using LLMs for code analysis.
RANK_REASON New open-source CLI tool release.
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