Code Sandbox — Execute Python, JS, SQL Safely

https://server.smithery.ai/axel-belfort/code-sandbox/mcp

● healthy

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.

Transport

streamable-http

Auth

smithery_api_key

Cost

—

How to connect

MCP endpoint (streamable-http)

https://server.smithery.ai/axel-belfort/code-sandbox/mcp

JSON-RPC initialize probe

curl -X POST https://server.smithery.ai/axel-belfort/code-sandbox/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'

Homepage

https://github.com/Br0ski777/code-sandbox-x402

Listed at (smithery)

https://github.com/Br0ski777/code-sandbox-x402