1. A GraphQL API
2. A 'Model Context Protocol' (MCP) Server for use with AI tools such as Claude.ai and Claude code.

The GraphQL API incldues an OAuth 2.1 resource server so that users can perform dynamic client registration with tools like Claude code. For automatic documentation there's Voyager running on '/modules/graphql/'

The MCP server allows you to "chat" with your accounting system. e.g. "Show me the outstanding invoices for Some Customer".

Version v1.0.0 is available on GitHub.