To use "wut," it must be run within a `tmux` or `screen` session to capture the last command's output. The article provides examples of how "wut" can clarify errors, such as explaining why a Git command failed. Future plans for "wut" include removing the `tmux` or `screen` requirement, adding a `--fix` option to execute suggested commands, integrating with Homebrew, and developing unit tests.
Key takeaways:
- wut is a CLI tool that helps explain the output of your last command using an LLM, aiding in understanding stack traces, error codes, and more.
- Installation requires setting up API keys for OpenAI or Claude, or using a local model with Ollama by configuring environment variables.
- The tool must be used within a
tmux
orscreen
session to capture the last command's output, providing explanations or answering specific queries. - Future plans include removing the session requirement, adding a
--fix
option, integrating with Homebrew, and creating unit tests.