> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dualentry.com/llms.txt
> Use this file to discover all available pages before exploring further.

# DualEntry MCP: Developer Overview

> DualEntry's MCP server connects Claude, Cursor, and other AI clients to your accounting data. Find the setup guide, tool catalog, and troubleshooting.

DualEntry provides a [Model Context Protocol](https://modelcontextprotocol.io/) (MCP) server: a standardized interface that lets any compatible AI assistant or agent access your accounting data securely, under the requesting user's own DualEntry role.

| Property       | Value                                    |
| -------------- | ---------------------------------------- |
| Server URL     | `https://api.dualentry.com/mcp/`         |
| Transport      | Streamable HTTP                          |
| Authentication | OAuth 2.1 (browser sign-in, no API keys) |

The full guides live alongside the accountant-facing docs:

* **[Connect MCP Clients](/accountants/ai-automation/mcp/mcp-quickstart)**: one-click setup for Cursor and Claude, plus configuration blocks for VS Code, Codex, and other MCP clients.
* **[MCP Server: Tools, Permissions, and Troubleshooting](/accountants/ai-automation/mcp/mcp-integration)**: every tool by name, the permission it checks, and fixes for common connection errors.
* **[Connect Claude from the connector directory](/accountants/ai-automation/mcp/connect-claude-from-the-connector-directory)**: the fastest path on Claude for web, desktop, and mobile.
* **[Post a Period-End Accrual from Claude](/accountants/ai-automation/mcp/post-a-period-end-accrual-from-claude)**: a worked example that writes back to the ledger with `save_record`.