Content
# MCP Python Executor
A Model Context Protocol (MCP) server for executing Python code and managing Python packages.
## Features
- Execute Python code with safety constraints
- Install and manage Python packages
- Pre-configure commonly used packages
- Resource monitoring and limits
- Health checks and metrics
- Structured logging
## Configuration
The server can be configured through environment variables in the MCP settings:
```json
{
"mcpServers": {
"mcp-python-executor": {
"command": "node",
"args": ["path/to/python-executor/build/index.js"],
"env": {
"PREINSTALLED_PACKAGES": "numpy pandas matplotlib scikit-learn",
"MAX_MEMORY_MB": "512",
"EXECUTION_TIMEOUT_MS": "30000",
"MAX_CONCURRENT_EXECUTIONS": "5",
"LOG_LEVEL": "info",
"LOG_FORMAT": "json"
}
}
}
}
```
### Environment Variables
- `PREINSTALLED_PACKAGES`: Space-separated list of Python packages to install on startup
- `MAX_MEMORY_MB`: Maximum memory limit per execution (default: 512)
- `EXECUTION_TIMEOUT_MS`: Maximum execution time in milliseconds (default: 30000)
- `MAX_CONCURRENT_EXECUTIONS`: Maximum number of concurrent executions (default: 5)
- `LOG_LEVEL`: Logging level (debug|info|error, default: info)
- `LOG_FORMAT`: Log format (json|text, default: json)
## Available Tools
### 1. execute_python
Execute Python code and return the results.
```typescript
interface ExecutePythonArgs {
code?: string; // Python code to execute (inline)
scriptPath?: string; // Path to existing Python script file (alternative to code)
inputData?: string[]; // Optional input data
}
```
Examples:
```javascript
// Example with inline code
{
"code": "print('Hello, World!!')\nfor i in range(3): print(i)",
"inputData": ["optional", "input", "data"]
}
// Example with script path
{
"scriptPath": "/path/to/your_script.py",
"inputData": ["optional", "input", "data"]
}
```
### 2. install_packages
Install Python packages.
```typescript
interface InstallPackagesArgs {
packages: string[];
}
```
Example:
```
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