# Reference


Use reference material when you need API details or exact policy syntax.

- [Policy concepts](/ai/sandboxes/concepts/): resource model, rule syntax, policy
  evaluation, and precedence.
- [AI Governance API](/reference/api/ai-governance/): HTTP API reference for
  network and filesystem organization policies.
- [MCP policy reference](/ai/sandboxes/governance/reference/mcp-policy/): Docker MCP policy actions, resources,
  attributes, context fields, and approval behavior.