AI2Fin (2Fin) Tax MCP MCP: what works in Claude, ChatGPT, Cursor, and Grok Bot

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

Registry name: com.ai2fin/ai2fin-tax-mcp (v0.3.0) | GitHub stars

Status grid

AppStatusDate tested
ClaudeUntestedNot yet tested
ChatGPTUntestedNot yet tested
CursorUntestedNot yet tested
Grok BotUntestedNot yet tested
MCP Inspector (reference client)UntestedNot yet tested
MCP TypeScript SDK (reference client)UntestedNot yet tested

Hands-on test results

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Automated handshake

No public remote endpoint to check (local or package-only server).

Gotchas

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AI2Fin (2Fin) Tax MCP MCP: does it work in Claude, ChatGPT, Cursor, Grok Bot?