# ExCadmpeg v0.1.0 - API Reference

## Modules

- The document
  - [Cadmpeg](Cadmpeg.md): Native CAD files on the BEAM.
  - [Cadmpeg.Document](Cadmpeg.Document.md): A CAD document, parsed once: cadmpeg's format-neutral CAD IR behind a handle.

- Refusals
  - [Cadmpeg.Error](Cadmpeg.Error.md): A refusal from the engine, with the code a caller can branch on.

- Model Context Protocol
  - [Cadmpeg.Mcp](Cadmpeg.Mcp.md): A Model Context Protocol server over stdio: a CAD file, for an assistant.
  - [Cadmpeg.Mcp.Tools](Cadmpeg.Mcp.Tools.md): The tools the MCP server offers, and the one place a name becomes a function.

- The engine
  - [Cadmpeg.Native](Cadmpeg.Native.md): The Rust engine, one function per operation it has.

## Mix Tasks

- [mix cadmpeg.mcp](Mix.Tasks.Cadmpeg.Mcp.md): Runs the Model Context Protocol server: one JSON-RPC message per line on stdin,
one answer per line on stdout, until stdin closes.