Code Sandbox API

About Code Sandbox API

Use Code Sandbox API with your agent

claude mcp add --transport sse code-sandbox-api https://code-sandbox.api.klymax402.com/mcp

{
  "mcpServers": {
    "code-sandbox-api": {
      "url": "https://code-sandbox.api.klymax402.com/mcp"
    }
  }
}

Frequently asked questions

What is Code Sandbox API?

Code Sandbox API is an MCP (Model Context Protocol) server by br0ski777 in the Code Execution category. Execute Python, JavaScript, SQL code in a sandbox. x402 micropayment.

How do I connect Code Sandbox API to Claude, Cursor, or another MCP client?

Code Sandbox API is a remote MCP server — add its endpoint (https://code-sandbox.api.klymax402.com/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is Code Sandbox API open source?

Yes — the source code is public at github.com/br0ski777/code-sandbox-x402.

Can AI agents pay to use Code Sandbox API?

Not yet through Loomal — Code Sandbox API is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.