Code Executor

Execute code safely in sandboxed environments with resource limits.

When to Use

• User wants to run code snippets
• Test code before deployment
• Execute scripts with security constraints
• Run untrusted code safely

Features

• Multi-language support: Python, JavaScript, Bash, Ruby, Go
• Resource limits: CPU, memory, execution time
• Network isolation: Optional network access
• File system isolation: Temporary sandbox directory

Usage

Execute Python

python3 scripts/execute.py \
  --language python \
  --code "print('Hello, World!')" \
  --timeout 10

Execute from file

python3 scripts/execute.py \
  --language python \
  --file ./script.py \
  --timeout 30 \
  --memory 256

Execute JavaScript

python3 scripts/execute.py \
  --language javascript \
  --code "console.log(2 + 2)"

With input

python3 scripts/execute.py \
  --language python \
  --code "x = input(); print(f'You said: {x}')" \
  --input "Hello"

Output

{
  "success": true,
  "stdout": "Hello, World!\n",
  "stderr": "",
  "exit_code": 0,
  "execution_time_ms": 42
}

Safety

• Default timeout: 30 seconds
• Default memory limit: 512MB
• No network access by default
• Output limited to 1MB