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Grok

AI2Fin (2Fin) Tax MCP for Grok

com.ai2fin/ai2fin-tax-mcp

Free public tax MCP: GST/VAT, income, company & capital-gains tax for 50+ countries, source-cited.

client:Grok transport:streamable-http tools:9

Install AI2Fin (2Fin) Tax MCP in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "ai2fin-tax-mcp": {
      "type": "http",
      "url": "https://taxmcp.ai2fin.com"
    }
  }
}

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

What Grok can do once it is connected

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