# Expo · Context Atlas

> The sources Expo publishes for coding agents. Fetch the llms.txt or Rules source first; fetch Full text sources only to search them, they are often several megabytes. Full catalog and instructions: https://contextatlas.dev/llms.txt

Last updated: 2026-10-23

### Expo
Role: Mobile framework
Signals: expo dependency, eas.json, app.json with expo key
- [Expo docs llms.txt](https://docs.expo.dev/llms.txt): llms.txt