# CrelioHealth Developer Documentation > Submit orders, evaluate payer rules, and keep sandbox and live traffic isolated. ## Instructions for AI Agents - For clean Markdown of any page, append `.md` to the page URL - For section-specific indexes, append `/llms.txt` to any section URL - For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://revenue-docs.creliohealth.com/_mcp/server ## Products - [Revenue Guard](https://revenue-docs.creliohealth.com/revenue-guard/llms.txt): Payer policy validation - [Overview](https://revenue-docs.creliohealth.com/revenue-guard/welcome.md) - [Quickstart](https://revenue-docs.creliohealth.com/revenue-guard/quickstart.md) - [Environments](https://revenue-docs.creliohealth.com/revenue-guard/environments.md) - [How Revenue Guard works](https://revenue-docs.creliohealth.com/revenue-guard/how-it-works.md) - [Orders & validation](https://revenue-docs.creliohealth.com/revenue-guard/orders-validation.md) - [TRF Agent](https://revenue-docs.creliohealth.com/trf-agent/llms.txt): Asynchronous TRF extraction - [TRF Agent API](https://revenue-docs.creliohealth.com/trf-agent/docs/get-started/trf-agent-api.md) - [API keys](https://revenue-docs.creliohealth.com/trf-agent/api-keys.md)