Aiwyn Tax (formerly Column Tax)

MCP server

Estimate your federal & state taxes using Aiwyn's tax engine that's filed over 1 million returns. Give Claude your tax documents (e.g. W-2s) and get a 1040 PDF back.

Connect

claude mcp add --transport http aiwyn-tax https://mcp.columnapi.com/mcp

Details

Homepage: https://docs.columntax.com/page/aiwyn-tax-mcp-server
Endpoint: https://mcp.columnapi.com/mcp
Transport: streamable-http