# What is Codebase Indexing?

Cursor builds a searchable map of your entire codebase. The AI can find relevant code by meaning, not just by file name or exact keyword match.

## In real work

Use codebase indexing: search the codebase for where authentication errors are handled. Use the index to find all relevant files.

## Related terms

- [Agent](https://prompthausapp.com/learn/agent.md)
- [Tab](https://prompthausapp.com/learn/tab.md)
- [Rules](https://prompthausapp.com/learn/rules.md)
- [MCP](https://prompthausapp.com/learn/mcp.md)
- [Context](https://prompthausapp.com/learn/context.md)

## How is this different from Googling it?

Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.

- Category: Using AI
- HTML: https://prompthausapp.com/learn/codebase-indexing
- App Store: https://apps.apple.com/us/app/prompthaus-ai-vocabulary/id6776314407