# Claude Platform ยท Context Atlas > The sources Claude Platform 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 ### Claude Platform Role: AI models Signals: @anthropic-ai/* dependencies, ANTHROPIC_API_KEY env var - [Claude platform llms.txt](https://platform.claude.com/llms.txt): llms.txt - [Claude platform docs, full text](https://platform.claude.com/llms-full.txt): Full text