# Model Context Protocol · Context Atlas

> The sources Model Context Protocol 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

### Model Context Protocol
Role: Tools
Signals: .mcp.json, mcp.json, @modelcontextprotocol/sdk dependency
- [MCP llms.txt](https://modelcontextprotocol.io/llms.txt): llms.txt
- [MCP docs, full text](https://modelcontextprotocol.io/llms-full.txt): Full text
- [MCP specification](https://modelcontextprotocol.io/specification/latest): Docs
- [MCP registry](https://registry.modelcontextprotocol.io): MCP server
- [Reference servers](https://github.com/modelcontextprotocol/servers): MCP server
- [GitHub MCP server](https://github.com/github/github-mcp-server): MCP server
- [Playwright MCP](https://github.com/microsoft/playwright-mcp): MCP server