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Claude.ai

Quaderno MCP by usefulapi for Claude.ai

io.usefulapi/quaderno

MCP server for Quaderno — tax-rate calculation, invoices, contacts, products, receipts & expenses.

client:Claude.ai transport:streamable-http tools:23

Install Quaderno MCP by usefulapi in Claude.ai

Settings → Connectors → Add custom connector

https://quaderno.usefulapi.io/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

Quaderno MCP by usefulapi in other clients