mcp-server-ledger: A Ledger CLI MCP Server

Overview

A Model Context Protocol server for interacting with Ledger CLI, a powerful, double-entry accounting system accessible from the command line. This server allows Large Language Models to query and analyze your financial data through the Ledger CLI tool.

This MCP server exposes Ledger CLI's functionality through a standardized interface, making it easy for AI assistants to help you with financial reporting, budget analysis, and accounting tasks.

Features

The server provides the following tools that map to Ledger CLI commands:

1. ledger_balance

   • Shows account balances with powerful filtering options
   • Inputs: query pattern, date ranges, display options
   • Returns: Formatted balance report

2. ledger_register

   • Shows transaction register with detailed history
   • Inputs: query pattern, date ranges, sorting options
   • Returns: Formatted register report

3. ledger_accounts

   • Lists all accounts in the ledger file
   • Input: optional query pattern
   • Returns: List of matching accounts

4. ledger_payees

   • Lists all payees from transactions
   • Input: optional query pattern
   • Returns: List of matching payees

5. ledger_commodities

   • Lists all commodities (currencies) used
   • Input: optional query pattern
   • Returns: List of matching commodities

6. ledger_print

   • Prints transactions in ledger format
   • Inputs: query pattern, date ranges
   • Returns: Formatted ledger entries

7. ledger_stats

   • Shows statistics about the ledger file
   • Input: optional query pattern
   • Returns: Statistical summary of the ledger

8. ledger_budget

   • Shows budget analysis
   • Inputs: query pattern, date ranges, reporting period
   • Returns: Budget report

9. ledger_raw_command

   • Runs a raw Ledger CLI command
   • Input: command arguments as a list of strings
   • Returns: Command output as text

Prerequisites

• Ledger CLI must be installed and available in your PATH
• A valid Ledger file with your financial data

Installation

Using Docker (recommended)

You can also use the Docker image from the minhyeoky/mcp-ledger repository:

docker pull minhyeoky/mcp-ledger

Add this to your claude_desktop_config.json:

"mcp-ledger": {
  "command": "docker",
  "args": [
    "run",
    "-v",
    "/path/to/your/ledger/file.ledger:/main.ledger",
    "-e",
    "LEDGER_FILE=/main.ledger",
    "-i",
    "--rm",
    "minhyeoky/mcp-ledger"
  ]
}

Replace /path/to/your/ledger/file.ledger with the actual path to your ledger file.

Installing via Smithery

To install Ledger CLI MCP Server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @minhyeoky/mcp-ledger --client claude

Using uv

The easiest way to install and run this server is with uv:

uv sync

Configuration

The server requires a path to your Ledger file. This can be provided through:

• The LEDGER_FILE environment variable
• Command-line arguments when starting the server

Using with Claude Desktop

Add this to your claude_desktop_config.json:

"mcpServers": {
  "ledger": {
    "command": "uv",
    "args": [
      "run",
      "--env-file",
      "/path/to/your/.env",  // Optional: to set LEDGER_FILE
      "--with",
      "mcp[cli]",
      "mcp",
      "run",
      "<repo_path>/main.py"  // Path to the main.py file in this repository
    ]
  }

}

Usage Examples

Once configured, you can ask your AI assistant questions about your financial data:

• "Show m

... View full README on GitHub