The expert command gives you direct access to Codegen’s AI expert, which is specifically trained to help with codemods, transformations, and Codegen’s APIs.

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Usage

codegen expert --query "your question here"

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Options

  • --query, -q: The question to ask the expert

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Examples

Ask about a specific API:

codegen expert -q "How do I use codebase.find_function() to locate all async functions?"

Get help with a transformation:

codegen expert -q "What's the best way to rename a function and all its references?"

Ask about best practices:

codegen expert -q "What's the recommended way to handle error cases in codemods?"

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Use Cases

The expert is particularly helpful for:

  • Understanding Codegen’s APIs and capabilities
  • Getting guidance on codemod implementation strategies
  • Learning best practices for code transformations
  • Troubleshooting common issues
  • Finding the right approach for complex refactoring tasks

The expert has deep knowledge of Codegen’s internals and common transformation patterns. For general programming questions, consider using standard AI assistants instead.

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Tips

  1. Be specific in your questions
  2. Include relevant context about your codebase or transformation
  3. Ask follow-up questions if needed
  4. Use code examples in your questions when applicable
  • codegen create: Create new codemods with AI assistance
  • codegen run: Execute your codemods
  • codegen docs-search: Search documentation and examples

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