Code Executor

Safe code execution in sandboxed environments. Supports Python, JavaScript, Bash, and more with resource limits and timeout controls.

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

bash

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

Execute from file

bash

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

Execute JavaScript

bash

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

With input

bash

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

Output

json

{
  "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