mcp · Global

AutoCAD-AI

Let an AI assistant draw in AutoCAD 2027 over MCP, and see what it drew

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Data offered docs-verified: line · polyline · rectangle · circle · arc · text · hatch · batch drawing (draw_batch) · linear and aligned dimensions · layers · entity listing and info · drawing info · view capture as image · erase entity · new/save/open drawing · PDF export · AutoCAD status and start/close · raw AutoCAD command line (opt-in send_command)
Formats docs-verified: MCP over HTTP · PNG (capture_view) · PDF (export_pdf)
Access docs-verified: MIT licence. Runs locally on the machine with AutoCAD 2027 open (COM bridge). Secret URL path is the access gate; optional ACAD_MCP_AUTH_TOKEN bearer header. Cloud clients need an ngrok tunnel and VPN where required.

Use cases llm-inferred: Let an AI assistant batch-draw site layout or floor plan linework in an open AutoCAD drawing · Check drawn geometry visually with capture_view renders during an AI drawing loop · Add linear dimensions and hatching to drainage or site plan sheets · Export the current layout to PDF for issue to the design team
Audience llm-inferred: CAD technicians · civils engineers · drainage engineers · BIM/civils engineers

Constraints docs-verified: AutoCAD 2027 must be running on the same Windows user with a drawing open (COM) · Built and verified only against AutoCAD 2027 (R26.0) and Python 3.13 · 2D only: everything is at Z=0 · Anyone with the URL can draw in AutoCAD and write to the output folder · send_command is off by default and runs arbitrary AutoLISP when enabled · ngrok free plan allows one agent session, so it cannot run alongside the Codex project tunnel · ngrok refuses Iranian IP addresses and the tunnel drops if the VPN drops · Requires ChatGPT Plus or Pro for ChatGPT connector use

Licence: MIT
Authentication: API key via env: ACAD_MCP_AUTH_TOKEN (auto-extracted from README)
GitHub stars: 4
Last commit: 16/10/2026
Last successful page check: 14/10/2026
Page health: healthy
Package: Not recorded
Verification: Not independently verified

Auto-extracted, unverified fields: tools, install, auth. Check upstream documentation.

Daily discovery 2026-10-17: GitHub search; verified via GitHub API. Tools/install/auth auto-extracted from README.

Metadata observed 14/10/2026 · daily-2026-10-17 (github-search)