Enables AI assistants to draw and manipulate 2D designs in a running AutoCAD instance through MCP tools, exposed via HTTP and a tunnel for cloud clients like ChatGPT and Manus.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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Erfouni
Source: Glama
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ACAD_MCP_HOST127.0.0.1 Leave it. Binding wider exposes AutoCAD to your LAN.ACAD_MCP_PORT8770 Listen port. 8765 is Codex, 8766 is Windows-reserved here.ACAD_MCP_SAVE_DIRC:\Users\zainm\AutoCAD-MCP-Out The only folder the server may write to. Kept out of OneDrive because sync locks files AutoCAD has just written.ACAD_MCP_AUTH_TOKENconfiguration. Same URL. If you set , add the headerACAD_MCP_ENABLE_SEND_COMMANDCommand line send_command — only when =1ACAD_MCP_COM_TIMEOUT120 Seconds before a stuck AutoCAD call gives up.ACAD_MCP_SECRET_PATHfrom .secret Override the secret URL segment.Tool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
19/19 tools missing one or more hints — draw_hatch (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); dim_linear (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); dim_aligned (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +16 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Destructive tools are labelled
1 tool perform destructive updates without destructiveHint — run_command deletes at line 701 (result_file.unlink(missing_ok=True))
Add destructiveHint:true to any tool whose handler calls .delete(), .upsert(), .update(), unlink, rm, DELETE, DROP, REPLACE INTO, or any operation that overwrites existing data.
Tool inputs are validated
16/19 tool handlers declare input schemas (84%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 9/19 tool handlers wrap calls in try/catch (47%)
Wrap each tool handler body in try/catch and return a structured error response.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tests exist
No test files found
Add tests that exercise each declared tool.
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