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Code Sandbox — Execute Python, JS, SQL Safely
FreeSandboxed code execution API for AI agents. Execute Python, JavaScript, or SQL in an isolated environment. Returns stdout, execution time, and errors. 10-second
by axel-belfort
About
Sandboxed code execution API for AI agents. Execute Python, JavaScript, or SQL in an isolated environment. Returns stdout, execution time, and errors. 10-second timeout for safety. Tools: code_execute_sandbox. Use this for running calculations, testing code snippets, data transformations, or SQL queries without needing a local runtime. Safe execution with resource limits. Returns: {stdout, executionTime, errors}. No API key required — x402 micropayment $0.01/call on Base L2.
How to install
Add this to claude_desktop_config.json and restart Claude Desktop.
{
"mcpServers": {
"code-sandbox": {
"command": "npx",
"args": [
"-y",
"@smithery/cli",
"run",
"axel-belfort/code-sandbox"
]
}
}
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