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Tax Numbers MCP

v1.0.0 changelog · 1

app.openkrill/tax

Get the US federal tax numbers right, with the IRS document each one comes from.

transport:streamable-http tools:7

Target client

run in your project directory

claude mcp add --transport http tax https://tax.openkrill.app/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

get_tax_parameters Read-only

get tax parameters

get_mileage_rate Read-only

get mileage rate

tax_deadlines

tax deadlines

estimate_federal_tax

estimate federal tax

submit_feedback

submit feedback

get_feedback_reply Read-only

get feedback reply

index_tools

index tools

All 7 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.