Solidworks-MCP (ycpss91255-research)MCADConfidence: Medium

CloseDoc on an assembly crashes SOLIDWORKS 2023 SP5 intermittently, because SOLIDWORKS keeps a raw pointer to the API's IFeature wrapper without owning it and pywin32 frees the wrapper at the end of every execute_python script.

Impact Analysis

Persona

Mechanical Designer

Team Size Impact

5x Multiplier

Prototype Delay

3 Days

Est. Annual Cost

$30,000

1 user · 1 month240 min
Rest of team960 min
Rest of year13,200 min

monthly_minutes × 12 × team_multiplier ÷ 60 × $75/hr = $30k/yr

$75/hr assumed rate.

Annual team-minutes decomposed from the reported monthly inputs.

Evidence & Sources

1 Sources

ycpss91255-research/Solidworks-MCP Issue #1: CloseDoc crash: SOLIDWORKS keeps an unowned pointer to the IFeature API wrapper (root cause, fix, verification)

github.com

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Analyst Notes

From the Grok pain-radar digests, Oct 27-28 2026 (Oct 27 8:41 AM ET through Oct 28 7:41 AM ET digests plus the Haitch editions). Verified live 2026-10-28: issue/PR/thread read; title and state confirmed.