How do I install FetchSandbox?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is FetchSandbox official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

FetchSandbox MCP Server | MCPpedia

FetchSandbox MCP Server

Name: FetchSandbox MCP Server
Author: fetchsandbox

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

Tools Versions Alternatives

RegistryRemotefetchsandbox

55Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

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

Install guide

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Environment

Name	Required	Notes
FETCHSANDBOX_API_KEY	No	Sign in using an account API key. Discovery is available anonymously; application planning, verification and managed local tunnels require authentication. Secret.
FETCHSANDBOX_TELEMETRY	No	Set to '0' to disable anonymous usage telemetry.
FETCHSANDBOX_BASE_URL	No	Override the FetchSandbox backend base URL (defaults to https://fetchsandbox.com). Useful for stage/self-hosted testing.

FetchSandbox MCP Server

Install

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