Shell MCP Server

Shell MCP Server

MCP (Model Context Protocol) server for safe shell command execution.

Features

• 🔒 Security - Restricted to workspace directory
• ⏱️ Timeout enforcement - Prevents hanging commands
• 📝 Command history - Track all executed commands
• 📦 Environment isolation - Controlled env vars
• 📊 Output limits - Prevent memory issues

Tools

execute

Execute a shell command with safety controls.

{
  "command": "ls -la",
  "cwd": "/root/.openclaw/workspace",
  "timeout": 30000,
  "env": { "MY_VAR": "value" }
}

Parameters:

• command (required) - Command to execute
• cwd - Working directory (default: /root/.openclaw/workspace)
• timeout - Timeout in ms (default: 30000, max: 120000)
• env - Environment variables object

history

Get command execution history.

{
  "limit": 50
}

clearHistory

Clear command history.

{}

Usage

Direct

cd /root/.openclaw/workspace/shell-mcp-server
npm start

With MCP config (mcporter)

{
  "type": "stdio",
  "command": "node",
  "args": ["/root/.openclaw/workspace/shell-mcp-server/index.js"]
}

With Claude Code CLI

claude --mcp-config shell-mcp-server.json

Install

cd /root/.openclaw/workspace/shell-mcp-server
npm install

Test

npm test

Security Notes

• Commands are restricted to /root/.openclaw/workspace and subdirectories
• Output is limited to 1MB per command
• Maximum timeout is 2 minutes
• History is saved to .shell-history.json