io.github.FrontlineSystems/rason-mcp-server

Official

RASON

Build, solve, and analyze RASON optimization, simulation, data science, and decision models

Builds and solves optimization, simulation, and data science models for decision analysis.

Install

Configuration

Environment variables

RASON_BEARER_TOKENrequiredsecret

RASON API bearer token. Required for model management, solving, and diagnostics. Obtain at https://rason.com/.

RASON_SERVER_URLdefault https://rason.net

Base URL of the RASON REST API. /api is appended automatically.

RASON_RESULT_ARRAY_LIMITdefault 25

Maximum array/dataFrame rows before solver results are summarized.

RASON_RESULT_SIZE_LIMITdefault 50000

Maximum solve-result size (in characters) before truncation.

RASON_REQUEST_TIMEOUTdefault 300000

HTTP request timeout in milliseconds.

claude_desktop_config.json

{
  "mcpServers": {
    "rason-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@frontlinesystems/rason-mcp-server@2026.5.5"
      ],
      "env": {
        "RASON_BEARER_TOKEN": "<YOUR_RASON_BEARER_TOKEN>",
        "RASON_SERVER_URL": "https://rason.net",
        "RASON_RESULT_ARRAY_LIMIT": "25",
        "RASON_RESULT_SIZE_LIMIT": "50000",
        "RASON_REQUEST_TIMEOUT": "300000"
      }
    }
  }
}