Plain meaning
Start with the shortest useful explanation before going deeper.
An AI tool that helps developers write, debug, review, and explain code. Examples: GitHub Copilot (inline suggestions), Claude Code (agentic CLI), Cursor (AI-native editor), Cody (Sourcegraph). These tools use LLMs to understand codebases, generate implementations, fix bugs, and write tests. Particularly valuable for Solana development where boilerplate is significant.