> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/guardrails/llms.txt.
> For full documentation content, see https://docs.nvidia.com/nemo/guardrails/llms-full.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/guardrails/_mcp/server.

# Colang 2.0 Guide

> Learn Colang 2.0 syntax, concepts, migration guidance, tutorials, and language reference topics.

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Colang 2.0 is a beta version of the Colang language and runtime.
Use this guide to review what changed from Colang 1.0, migrate existing configurations, work through the getting started examples, and explore the language reference.

Review the main language and runtime changes in Colang 2.0.

Convert Colang 1.0 configurations to Colang 2.x.

Work through the Colang 2.0 tutorial sequence.

Explore syntax and standard library reference material.