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. Its 6 documented tools cover simulation, generate. It runs locally over stdio via the published package.

People connecting this server to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-03-03 · ★ 6 · #567 OF 848 MAINTAINED OTHER · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install MoldSim MCP Server

Claude Code

claude mcp add kobzevvv-moldsim-mcp -- npx -y moldsim-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "kobzevvv-moldsim-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "moldsim-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package moldsim-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.kobzevvv is GitHub-verified and matches the repo owner

03 · What MoldSim MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

An agent gets 6 documented tools spanning simulation, generate, including query_simulation_knowledge, get_material_properties, validate_process_parameters, generate_simulation_spec.

Capability map

Tools grouped from the project's README - what MoldSim MCP Server lets an agent do.

read & search

2 tools - e.g. Free-text Q&A against the knowledge base. Ask about defects, DFM rules, mesh strategies, process optimization.; Material property lookup. Returns Cross-WLF viscosity, Tait PVT, thermal, processing window…

query_simulation_knowledge · get_material_properties

Generate

2 tools - e.g. Natural language → structured simulation specification. Describe the part and get back analysis types, mesh recommendations, process conditions, and expected ou; Design for Manufacturability checklist…

generate_simulation_spec · generate_dfm_checklist

Validate

1 tool - e.g. Checks your process parameters against the material's processing window. Flags errors, warnings, and provides suggestions.

validate_process_parameters

Compare

1 tool - e.g. Side-by-side comparison of 2-4 materials. Processing windows, thermal properties, mechanical data, and auto-generated key differences.

compare_materials

04 · Who maintains MoldSim MCP Server

MoldSim MCP Server is maintained by kobzevvv. It's the only MCP server we track from this author; the repo dates to Feb 2026.

05 · Facts

repository
github.com/kobzevvv/moldsim-mcp
website
https://moldsim.com/
category
other - ranked #567 of 848 actively-maintained other servers as of 2026-08-25.
registry
io.github.kobzevvv/moldsim-mcp (active, first published 2026-03-01)
packages
npm:moldsim-mcp

06 · MoldSim MCP Server FAQ

Is MoldSim MCP Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-03-03. We re-verify nightly.

What can MoldSim MCP Server do?

An agent gets 6 documented tools spanning simulation, generate, including query_simulation_knowledge, get_material_properties, validate_process_parameters, generate_simulation_spec.

How do I install MoldSim MCP Server?

Run `npx -y moldsim-mcp`. You can also paste the ready-made client config above.

Does MoldSim MCP Server run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to MoldSim MCP Server

Alternatives to MoldSim MCP Server

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