{
  "schema_version": "1.0",
  "backends": {
    "build123d": {
      "project": "text-to-cad",
      "runner_skill": "cad",
      "source_formats": ["py"],
      "primary_formats": ["step", "stp"],
      "strengths": [
        "general mechanical parts",
        "machined features",
        "source-level assemblies",
        "existing STEP inspection and modification",
        "geometry measurement and validation"
      ],
      "source_of_truth": "build123d Python generator"
    },
    "simplecadapi": {
      "project": "SimpleCADAPI",
      "runner_skill": "simplecadapi",
      "source_formats": ["py", "json"],
      "primary_formats": ["step", "stp"],
      "strengths": [
        "gears, ring gears, racks, and cycloidal discs",
        "bearings, reducers, and joint actuators",
        "replayable operation graphs",
        "semantic tags and topology queries"
      ],
      "source_of_truth": "SimpleCADAPI Python generator and model JSON"
    }
  }
}