LedgerCrossing docs

Guides for LedgerCrossing, the Windows app that replaces the QuickBooks Web Connector with a local HTTP/qbXML API and a built-in MCP server. Everything here is free to read; the product is a one-time $299 per machine.

Connect AI to QuickBooks Desktop

LedgerCrossing ships a built-in MCP server, included in the product. These guides get an AI client talking to your company files.

QuickBooks Desktop MCP QuickstartFive-minute setup for Claude Desktop, Claude Code, Cursor, and VS Code — the extension bundle and the config for everything else.
Connect claude.ai or ChatGPT to QuickBooks DesktopAdd LedgerCrossing as a custom connector in claude.ai or ChatGPT, sign in with a connect code, and revoke access per person.
How to Connect Claude to QuickBooks Desktop (2026)Every way to get Claude onto QuickBooks Desktop (Intuit's connector is Online-only), with real prices, then the setup.
The MCP server for QuickBooks DesktopWhat the MCP server does: six tools, all 240 qbXML operations, and which path (local, tunnel, Remote) each client uses.

Remote access

LedgerCrossing listens on your machine or LAN by default. Two ways to reach it from outside.

Remote Access to QuickBooks Desktop through a Secure Cloudflare TunnelSelf-managed and free: a step-by-step Cloudflare Tunnel on your own account.
LedgerCrossing RemoteThe managed relay — zero network configuration, per-person sign-in for claude.ai and ChatGPT, an add-on to your license.

Building on the API

Your integration sends qbXML as an HTTP POST and gets qbXML back. The full request/response reference ships with the app; the guide below covers the part people get wrong.

QuickBooks Desktop API Performance — Batching, Queuing, and Multiple Company FilesHow requests are scheduled into QuickBooks: file-switching costs, batching, contention headers, and multiple company files.

QuickBooks Web Connector help

Still on the Web Connector? Honest fixes for the problems that bring people here, and what to do when they keep coming back.

QuickBooks Web Connector Keeps Crashing: Every Fix, and the Permanent OneEvery fix that actually works, in order — and why the crashes are architectural.
Every QuickBooks Web Connector Error Code, Fixed (And How to Never See Them Again)The complete QBWC error-code list with real fixes: QBWC1085, 1039, 1013, and the rest.
QBWC1085: "There Was a Problem With the Log File" — the 2-Minute FixThe two-minute QWCLOG.TXT fix, with the exact path, and why it returns after every crash.
Can You Run the QuickBooks Web Connector as a Windows Service? (No — Here's What To Do Instead)No, it can't run as a service and no wrapper fixes that. What actually works on a server.
QuickBooks Web Connector Alternatives in 2026: Honest ComparisonConductor, QODBC, CData, batch importers, and LedgerCrossing — actual prices and who each is for.

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