sastool-mcp

samiulhq/sastool-mcp

3.2

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sastool is a minimal Model Context Protocol (MCP) server designed to run SAS code via SASPy, providing tools for listing SAS libraries and executing SAS code.

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sastool — A Tiny MCP Server for Running SAS Code via SASPy

This repository contains a minimal Model Context Protocol (MCP) server that exposes two SAS-powered tools to an MCP-compatible client (e.g., Claude Desktop):

  • listlibraries — lists assigned SAS libraries (including CAS libs)
  • runsascode — executes SAS code and returns SAS log and listing output

It’s built with FastMCP and saspy.

⚙️ Features

  • ✅ Clean MCP through SAS log and listing output
  • ✅ Returns LOG and LST from SASPy
  • ✅ Easy integration with Claude Desktop

SASPy Configuration

SASPy requires a configuration that specifies how it connects to SAS. To configure SASPy follow the instructions here.

⚙️ Use with Claude Desktop

Click to see the demo

##Watch the video

Edit your claude_desktop_config.json:

{
  "mcpServers": {
    "sastool": {
      "command": ",/absolute/path/to/.venv/bin/python or uv>",
      "args": ["run", "--with", "mcp[cli]","/absolute/path/to/server.py"],
      "env": {
        "SAS_CONFIG_NAMES": "default",
        "PYTHONUNBUFFERED": "1"
      },
      "disabled": false
    }
  }
}

Example flow with Claude

sequenceDiagram
    autonumber
    participant U as User
    participant C as Claude Desktop<br/>(Sonnet 4.5)
    participant M as MCP Server<br/>(server.py / FastMCP)
    participant P as SASPy
    participant VC as SAS Viya Compute
    participant CAS as CAS / CASLIBs

    U->>C: Analysis request from user
    C->>C: Generate SAS Code:code
    C->>M: MCP tool call: runsascode(code)
    M->>P: sas.submit(code, results='HTML')
    P->>VC: Start compute session
    VC->CAS: CAS Initiate

    CAS-->>VC: Data access / processing

    VC-->>P: Return LOG and ODS results
    P-->>M: {"LOG": "...", "LST": "<html>...</html>"}
    M-->>C: Return MCP JSON
    C->>C: Evaluate and generate additional SAS code if needed
    C-->>U: Display results (HTML tables/graphs)