How to Explain Code Errors with OpenAI on Mac
Use Echoo with OpenAI to get instant, plain-English explanations of cryptic error messages and stack traces. Select an error anywhere on your Mac and get a clear breakdown without leaving your editor.
Why This Combination Works
GPT-4o has extensive training on code and technical documentation across virtually every programming language and framework. It excels at parsing dense stack traces, identifying root causes, and explaining them in accessible language. Its broad knowledge base means it recognizes errors from obscure libraries just as well as common framework issues.
Recommended Model
GPT-4o — its deep training on code and technical documentation gives it the widest coverage for error recognition across languages, frameworks, and toolchains.
Example Prompt
Explain this error message in plain English, identify the most likely root cause, and suggest a concrete fix with a code example:
TypeError: Cannot read properties of undefined (reading 'map')
at UserList (UserList.tsx:23)
at renderWithHooks (react-dom.development.js:16305)Setup Steps
Download Echoo
Install Echoo from echoo.ai. It runs from your menu bar and works in any app — terminal, IDE, browser.
Add your OpenAI API key
Open Echoo settings, navigate to AI Providers, select OpenAI, and add your API key. Set GPT-4o as the default model.
Create an error explanation command
Set up a custom command with a system prompt like "Explain this error in plain English. Identify the root cause, explain why it happens, and suggest a specific fix with code." Assign a hotkey.
Use the keyboard shortcut
Select any error message or stack trace in your terminal, IDE, or browser. Press your hotkey and get an instant explanation right where you are.
Frequently Asked Questions
Yes. GPT-4o handles errors from Python, JavaScript, TypeScript, Rust, Go, Java, C++, Swift, Ruby, and virtually every other language. It also understands framework-specific errors from React, Django, Rails, Spring, and more.
Echoo sends the full selected text to the model. GPT-4o can process lengthy stack traces and will identify the most relevant frames, filtering out noise from framework internals to focus on your code.
Yes. Echoo supports screen context capture. Enable it for your error explanation command, and GPT-4o can see the surrounding code in your editor along with the error, providing even more targeted explanations.
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