mcp · Global
new-acad
AI bridge for AutoCAD / Civil 3D: in-app AI palette + 270 MCP tools + 390+ plugin methods - surfaces, alignments, corridors, pipe networks, grading, batch entity editing, file channel. | 用自然语言操作 AutoCAD / Civil 3D
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What's in it
- Data offered docs-verified
- CAD entity read/edit (layers, blocks, properties, batch handles) · Civil 3D surfaces (create, bulk point add) · Civil 3D alignments, profiles and sheets · Corridors and corridor surfaces · Grading optimisation (design surface to TIN) · Pipe networks, parcels, catchments, intersections · Corridor earthwork volumes · Site mass haul (cut/fill balance, haul distances) · Quantity and cost estimates · Bitmap-to-vector tracing · Office/zip file reading (docx, xlsx, pptx, zip, doc, xls)
- Formats docs-verified
- PNG · BMP · JPEG · GIF · TIFF · docx · xlsx · pptx · zip · doc · xls · MCP (HTTP POST :3000/execute) · TCP JSON-RPC 2.0
- Access docs-verified
- Open source, MIT licence (code). Requires a user-supplied, licensed AutoCAD or Civil 3D 2025/2026 on Windows. Default LLM mode needs the user's own LLM API key.
Useful for
- Use cases llm-inferred
- Cut/fill earthwork estimate for a linear corridor scheme (computeCorridorEarthwork) · Draft site grading and cut/fill balance for a development platform (optimizeGrading) · Batch editing of layers, blocks and entities across a drawing from natural language · Converting a raster site plan or sketch into CAD linework for further design
- Audience llm-inferred
- civil design engineers using Civil 3D · drainage engineers · BIM and civils CAD technicians
Limitations
- Constraints docs-verified
- Windows only · Needs a licensed AutoCAD/Civil 3D session open; plugin DLL is locked while C3D runs · Not an Autodesk product and not endorsed by Autodesk · Docs and default UI are Chinese; English UI added in v1.4.0 · No UK datasets, standards or geographic coverage stated · Docs cite both 270 and 274 MCP tools, so tool count may be inconsistent · 12 methods use a command channel with a 25 s timeout; some C3D features are not exposed to the AI · Corridor regeneration can take 30 s to 10 min and queues other requests (HOST_BUSY) · Grading optimisation is a draft generator; multi-level walls and pipe avoidance need manual review · Not a data API: no hydrology, gauge or DEM feeds documented
Example tool calls docs-verified
Get a budgeted summary of the open drawing (layers, spatial grid, entity counts). Argument schema not documented; docs say fullResult:true returns the full result.
{
"tool": "summarizeDrawing",
"arguments": {}
}Compute corridor cut/fill earthwork volumes. Docs report about 0.1% difference from the C3D surface volume method. Argument schema not documented.
{
"tool": "computeCorridorEarthwork",
"arguments": {}
}Generate a draft design surface from slope limits, platform levels, walls and steps, with cut/fill balance. Argument schema not documented.
{
"tool": "optimizeGrading",
"arguments": {}
}- Licence
- MIT
- Authentication
- Unknown — review source docs
- GitHub stars
- 8
- Last commit
- 15/10/2026
- Last successful page check
- 14/10/2026
- Page health
- healthy
- Package
- Not recorded
- Verification
- Not independently verified
Auto-extracted, unverified fields: tools, auth. Check upstream documentation.
Provenance & evidence
Tools/install/auth auto-extracted from README; quality score heuristic (stars, recency, tool count, licence).
Metadata observed 15/10/2026 · research sweep: github-search