# Bun · Context Atlas

> The sources Bun 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

### Bun
Role: Runtime
Signals: bun.lock, bun.lockb, bunfig.toml
- [Bun llms.txt](https://bun.com/llms.txt): llms.txt
- [bun install](https://bun.com/docs/cli/install): Docs