GEMPACK MCP

An MCP server that exposes the local GEMPACK CGE toolchain (TABLO, GEMSIM, HAR utilities) as tools Claude can call: compile models, run simulations, read solution and HAR data files, and export to CSV/Excel.

→ rayvapor-cell/gempack-mcp · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: GEMPACK_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configGEMPACK_EXTRA_ROOTS— extra read/write roots, ;-separated (e.g. add F:\).

configGEMPACK_SIM_TIMEOUT— 1800 Simulation timeout (s).

configGEMPACK_COMPILE_TIMEOUT— 600 Compile timeout (s).

configGEMPACK_TOOL_TIMEOUT— 180 HAR/convert timeout (s).

configGEMPACK_HTTP_HOST— other machines, set =0.0.0.0 and open the port in the

configGEMPACK_HTTP_PORT

configGEMPACK_HTTP_PATH

🔐 secretGEMPACK_TOKEN— $env: = "<a-long-random-secret>" # required

configGEMPACK_TRANSPORT

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/rayvapor-cell-gempack-mcp-1rel8f)](https://m8ven.ai/mcp/rayvapor-cell-gempack-mcp-1rel8f)

commit: 04a2605ca6984f03cf628df0a8f176cb8018d486

code hash: 7c3920539d72862f7fc3f0e732e40161fcd5da1d3992d76c85eaa341960091a3

verified: 6/27/2026, 8:55:04 AM

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