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FetchSandbox

io.github.fetchsandbox/mcp

A deterministic verification engine for agents. Proves a fix: fails on the old code, passes on new.

Install

Add the config to your client settings. Replace values in <angle brackets> with your own.

claude_desktop_config.json

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fetchsandbox-mcp@0.7.28"
      ],
      "env": {
        "FETCHSANDBOX_API_KEY": "<FETCHSANDBOX_API_KEY>",
        "FETCHSANDBOX_TELEMETRY": "<FETCHSANDBOX_TELEMETRY>",
        "FETCHSANDBOX_BASE_URL": "<FETCHSANDBOX_BASE_URL>"
      }
    }
  }
}

Details

Name: io.github.fetchsandbox/mcp
Version: 0.7.28
Updated: Oct 13, 2026
Source: Official MCP Registry
Repository: https://github.com/fetchsandbox/mcp
Website: https://fetchsandbox.com