Injection molding simulation expertise — materials, process validation, and DFM checks
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
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Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Choose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Documentation Overview
MoldSim MCP Server
Give your AI assistant injection molding expertise.
An MCP (Model Context Protocol) server that gives AI assistants expert knowledge about injection molding simulation. Material properties, process validation, troubleshooting, and simulation specification generation — all available as tools.
Website: moldsim.com
Why
Setting up injection molding simulations (Moldflow, Moldex3D, Cadmould) requires deep knowledge: Cross-WLF viscosity models, Tait PVT data, processing windows, mesh strategies, DFM rules. This MCP server makes that knowledge available to any AI assistant that supports MCP.
Quick Start
Claude Code (recommended)
That's it. Ask Claude about injection molding — it will automatically use MoldSim tools.
Claude Desktop
Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%/Claude/claude_desktop_config.json (Windows):
From source
Then point your MCP client to node dist/index.js.
Tools
query_simulation_knowledge
Free-text Q&A against the knowledge base. Ask about defects, DFM rules, mesh strategies, process optimization.
get_material_properties
Material property lookup. Returns Cross-WLF viscosity, Tait PVT, thermal, processing window, and mechanical data.
21 materials included: ABS, PP Homo, PP Copo, PA6, PA66, PA66-GF30, PC, PC/ABS, POM, HDPE, LDPE, PMMA, PBT, PBT-GF30, PET, PS, HIPS, TPU, SAN, ASA, PPE/PS
validate_process_parameters
Checks your process parameters against the material's processing window. Flags errors, warnings, and provides suggestions.
generate_simulation_spec
Natural language → structured simulation specification. Describe the part and get back analysis types, mesh recommendations, process conditions, and expected outputs.
compare_materials
Side-by-side comparison of 2-4 materials. Processing windows, thermal properties, mechanical data, and auto-generated key differences.
generate_dfm_checklist
Design for Manufacturability checklist with pass/warn/fail ratings. Input part parameters and get 15+ DFM rule checks.
Examples
Ask your AI assistant:
- "What are the Cross-WLF parameters for PA66-GF30?"
- "I'm getting sink marks on my PC housing — what should I check?"
- "Validate my process: ABS at 250°C melt, 70°C mold, 2mm wall"
- "Generate a simulation spec for a PP container with 1.5mm walls"
- "Compare ABS vs PC vs PA66-GF30 for an automotive connector"
- "Run a DFM check: 2mm wall, 1.5mm ribs, 0.5° draft in PC"
- "What mesh type should I use for a thick-walled POM gear (5mm)?"
- "How do I fix warpage in a glass-filled PA66 connector?"
Knowledge Coverage
| Area | Coverage |
|---|---|
| Materials | 21 grades with Cross-WLF, Tait PVT, thermal, mechanical, processing + comparison |
| Defects | Short shot, flash, sink marks, warpage, weld lines, burn marks, jetting, splay, voids, flow marks |
| Simulation | Mesh sensitivity, race tracking, cooling, overpacking, shear rate |
| Process | Cycle time, gate location, V/P switchover, degradation, crystallization, fiber orientation |
| DFM | Wall thickness, ribs, draft, radii, bosses, gating, tolerances, shrinkage, venting |
| Meshing | Midplane, dual-domain, 3D — when to use, element sizing, quality metrics |
Compatible Software
MoldSim MCP provides software-agnostic knowledge that applies to all major injection molding simulation packages:
- Autodesk Moldflow — Adviser & Insight
- Moldex3D — all editions
- CADMOULD — Simcon
- SIGMASOFT — Virtual Molding
- SolidWorks Plastics
Tech Stack
- Runtime: Node.js, TypeScript
- Search: Qdrant vector database (local, embedded)
- Embeddings: HuggingFace transformers
- Protocol: Model Context Protocol (MCP)
License
MIT
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Frequently Asked Questions about MoldSim MCP Server
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