AgentUni
Developer ToolsAI Models & Agents

FetchSandbox

by @fetchsandbox / v0.5.5

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

Install

npm / stdio

npx -y fetchsandbox-mcp

Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)

{
  "mcpServers": {
    "io-github-fetchsandbox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fetchsandbox-mcp"
      ]
    }
  }
}

Source: official MCP Registry record · registry name io.github.fetchsandbox/mcp · published 2026-09-17 · updated 2026-09-17. Not an endorsement; review the code before connecting it to anything sensitive.

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