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mcp/harbor
Grok

404.directory for Grok

io.github.mm-sheng/404-directory

Risk preflight for AI Agent tool actions and Polymarket settlement and execution checks.

client:Grok transport:streamable-http runtime:npm

Install 404.directory in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "404-directory": {
      "type": "http",
      "url": "https://404.directory/mcp"
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

404.directory in other clients

404.directory MCP server