errnest is a local-first, provider-agnostic CLI tool that helps developers store, search, and recall error and fix histories using semantic search in a terminal user interface. It is designed for developers who want to efficiently manage troubleshooting knowledge locally. The tool is open source and supports extensibility.
In the CLI tools & terminal space, errnest takes a focused approach. It focuses on remembering and searching past errors and fixes locally for faster troubleshooting. It is built as an open-source project for developers. errnest is open source under the MIT license. It runs on the command line.
ucmani builds and maintains errnest, and the product first shipped in 2026. Development happens publicly on GitHub with 5 commits in the last 90 days. Key capabilities include semantic search, error tracking, and local storage.
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