About Cadgang
Cadgang is an MCP server in the Browser category: block-based implicit modeling CAD in the browser (SDF block graphs, à la kokopelli/nTopology) with an MCP server so Claude Code can drive it.
Install
git clone https://github.com/cheewee2000/cadgangThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (11)
cadgang_clear_documentWipe the model (destructive)
Parameters not published.
cadgang_eval_sdfSample signed distances at points (thickness/clearance checks)
Parameters not published.
cadgang_export_stepWrite an exact STEP B-rep file (refuses field geometry)
Parameters not published.
cadgang_export_stlWrite a binary STL to `exports/`
Parameters not published.
cadgang_get_documentRead the full model graph
Parameters not published.
cadgang_import_stepImport a STEP/IGES/BREP file from disk as an `imported_mesh` block
Parameters not published.
cadgang_list_node_typesDiscover every block type, its params and input slots
Parameters not published.
cadgang_mesh_statsTriangle count, volume, surface area, bounds, and whether the result is exact
Parameters not published.
cadgang_render_previewServer-side raymarched PNG — Claude can *see* the model
Parameters not published.
cadgang_set_outputChoose which block is meshed/exported
Parameters not published.
cadgang_undoUndo (or redo) the last model edit
Parameters not published.
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