ledger-service MCP server

MCP Server for accessing and managing ledger files through Claude.

Components

Tools

The server implements three tools for ledger management:

• list-accounts: Lists all accounts in the ledger

  • Takes “year” as a required argument
  • Returns formatted list of all available accounts

• account-balance: Gets the balance for a specific account

  • Takes “year” and “account” as required arguments
  • Returns the current balance for the specified account

• account-register: Shows the transaction register for an account

  • Takes “year” and “account” as required arguments
  • Returns detailed transaction history for the specified account

Installation

Prerequisites

• Python 3.13 or higher
• uv package manager
• Node.js and npm (for debugging)

Install from PyPI

uv pip install ledger-service

Debugging

Using the inspector to debug the server:

npx @modelcontextprotocol/inspector \
  uv \
  --directory /path/to/ledger-service \
  run \
  ledger-service

Configure Claude Desktop

Add the server configuration to Claude Desktop’s config file:

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

"mcpServers": {
  "ledger-service": {
    "command": "uv",
    "args": [
      "--directory",
      "/path/to/ledger-service",
      "run",
      "ledger-service"
    ]
  }
}

"mcpServers": {
  "ledger-service": {
    "command": "uvx",
    "args": [
      "ledger-service"
    ]
  }
}

Development

Local Setup

1. Clone the repository
2. Create and activate a virtual environment
3. Install dependencies:

The base path can be configured by modifying the LEDGER_BASE_PATH constant in server.py.

License

GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007