QuickBooks Online MCP server: 18 tools over invoices, customers and payments, real OAuth 2.1 authorization-code + PKCE with token refresh, client-side rate limiting that honors QBO throttles, stdio and streamable HTTP, offline test suite. Works with Claude Desktop or any MCP client.
python oauth2 mcp accounting quickbooks pkce intuit claude quickbooks-online model-context-protocol mcp-server fastmcp model-context-protocol-server mcp-oauth quickbooks-online-api
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Updated
Jul 26, 2026 - Python