1. Introduction
2. Getting Started
3. 1. Install
   2. Development
   3. Playground
   4. TUI
   5. Web crawler
   6. MCP
   7. Example
4. Reference
5. 1. CLI
   2. Values and Types
   3. Conditionals and Comparisons
   4. 1. Conditionals
      2. Comparisons
   5. Syntax
   6. 1. Comments
      2. Control flow
      3. Operators
      4. Def Expression
      5. Environment variables
      6. Fn Expression
      7. Include
      8. Let Expression
      9. Self
      10. String Interpolation
      11. Nodes
   7. Builtin selectors and functions
   8. 1. Builtin functions
      2. Builtin selectors