Sweet MCP Server
Stateless HTTP MCP server enabling QuickBooks integration through CLI commands, company management, and field definitions.
README
Sweet MCP Server
Stateless HTTP MCP service for Claude and other MCP clients.
Stack
@modelcontextprotocol/server+ streamable HTTP transport- Forwards bearer install tokens to Sweet backend runtime routes
Local setup
cp .env.example .env
npm install
npm run dev
MCP endpoint: http://localhost:3002/mcp
Requires the Sweet backend running on http://localhost:3001.
Tools
| Tool | Description |
|---|---|
quickbooks_definitions |
Registry-backed CLI field definitions and resource catalog |
quickbooks_companies |
List connected QuickBooks companies |
quickbooks_cli |
Execute virtual QuickBooks CLI commands |
OAuth for Claude web
Claude web connectors require OAuth 2.1 with PKCE. Sweet exposes:
| Endpoint | Purpose |
|---|---|
GET /.well-known/oauth-protected-resource |
Resource metadata (RFC 9728) |
GET /.well-known/oauth-authorization-server |
Authorization server metadata |
POST /oauth/register |
Dynamic client registration |
GET /oauth/authorize |
User sign-in + consent |
POST /oauth/token |
Authorization code exchange |
Set MCP_SERVER_PUBLIC_URL in the backend .env to your public HTTPS MCP URL (for example your ngrok URL ending in /mcp) before connecting Claude web.
Install tokens (sweet_mcp_…) still work for Claude Desktop and Cursor.
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