ERPNext MCP Server

Model Context Protocol (MCP) server for ERPNext/Frappe REST API

This is a TypeScript-based MCP server that lets AI assistants interact with an ERPNext/Frappe instance via MCP tools and resources.

Features

Resources

Read any ERPNext document via erpnext://{doctype}/{name}
List available DocTypes via erpnext://DocTypes

Tools

get_doctypes - Get a list of all available DocTypes
get_doctype_fields - Get a best-effort field list for a DocType (derived from a sample record)
get_documents - Get a list of documents for a specific doctype
create_document - Create a new document in ERPNext
update_document - Update an existing document in ERPNext
run_report - Run an ERPNext report

Configuration

The server requires the following environment variables:

ERPNEXT_URL - The base URL of your ERPNext instance
ERPNEXT_API_KEY - API key for authentication
ERPNEXT_API_SECRET - API secret for authentication

Note: This server currently expects API token auth. Username/password auth is not implemented.

Development

Install dependencies:

npm install

Build the server:

npm run build

For development with auto-rebuild:

npm run watch

Installation

To use with Claude Desktop, add the server config:

On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json On Windows: %APPDATA%/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "erpnext": {
      "command": "node",
      "args": ["/path/to/erpnext-mcp-server/build/index.js"],
      "env": {
        "ERPNEXT_URL": "http://your-erpnext-instance.com",
        "ERPNEXT_API_KEY": "your-api-key",
        "ERPNEXT_API_SECRET": "your-api-secret"
      }
    }
  }
}

To use with Claude in VSCode, add the server config to:

On MacOS: ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json On Windows: %APPDATA%/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json

Debugging

Since MCP servers communicate over stdio, debugging can be challenging. We recommend using the MCP Inspector, which is available as a package script:

npm run inspector

The Inspector will provide a URL to access debugging tools in your browser.

Usage Examples

Get Customer List

<use_mcp_tool>
<server_name>erpnext</server_name>
<tool_name>get_documents</tool_name>
<arguments>
{
  "doctype": "Customer"
}
</arguments>
</use_mcp_tool>

Get Customer Details

<access_mcp_resource>
<server_name>erpnext</server_name>
<uri>erpnext://Customer/CUSTOMER001</uri>
</access_mcp_resource>

Create New Item

<use_mcp_tool>
<server_name>erpnext</server_name>
<tool_name>create_document</tool_name>
<arguments>
{
  "doctype": "Item",
  "data": {
    "item_code": "ITEM001",
    "item_name": "Test Item",
    "item_group": "Products",
    "stock_uom": "Nos"
  }
}
</arguments>
</use_mcp_tool>

Get Item Fields

<use_mcp_tool>
<server_name>erpnext</server_name>
<tool_name>get_doctype_fields</tool_name>
<arguments>
{
  "doctype": "Item"
}
</arguments>
</use_mcp_tool>