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spendlog

spendlog

by makz81
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

Spendlog

Cost & expense tracking for solo entrepreneurs, right inside Claude Code. No apps. No spreadsheets. No account.

Track what your business spends, manage budgets, write invoices — all in natural language. Your data stays 100% local in SQLite. Nothing leaves your machine.

Works with

Claude Code | Claude Desktop | VS Code | Cursor

Quick Start

npx spendlog

Or one-click install:

Install in VS Code Install in Cursor

The installer auto-configures Claude Desktop and Claude Code. Restart Claude, then try:

"Track 50€ for hosting"

That's it. Requires Node.js 20+.

Why Spendlog?

  • Zero context-switching — log costs while you build, right where you already work

  • Local-first — all data in ~/.spendlog/spendlog.db, no account, no cloud

  • Natural language — no forms, no menus, just tell Claude what you spent

  • 38 tools — invoicing, budgets, recurring expenses, CSV export, multi-project tracking

  • Multilingual — English and German (EN/DE), with i18n ready for more

Related MCP server: Expense Tracker MCP Server

Examples

Tracking:

You: "29€ for ChatGPT subscription"
Claude: Expense saved: 29.00 € — Category: IT & Software

You: "Export 2025 for my accountant"
Claude: 247 transactions written to ~/spendlog-export-2025.csv

Invoices:

You: "Create invoice for TechCorp, web development, 8h at 95€/h"
Claude: Invoice #2026-004 created — 760.00 €

You: "Mark it as paid"
Claude: Invoice #2026-004 marked as paid, income recorded.

Analysis:

You: "How much did I spend on software this quarter?"
Claude: IT & Software: 287.00 € (12 transactions) — 23% of total expenses

You: "Compare January vs February"
Claude: Expenses up 15%. Biggest increase: Marketing (+120€)

Tools

38 tools across 9 categories:

Category

Tools

Transactions

add_expense add_income list_transactions update_transaction delete_transaction

Analysis

get_summary get_category_breakdown compare_periods get_tax_summary

Invoices

create_invoice list_invoices get_invoice mark_invoice_sent mark_invoice_paid delete_invoice duplicate_invoice

Budgets

set_budget get_budget_status list_budgets update_budget delete_budget

Recurring

create_recurring list_recurring delete_recurring process_recurring

Projects

create_project list_projects rename_project delete_project

Categories

list_categories add_category delete_category

Export

export_transactions export_invoices export_for_tax_advisor

Settings

get_profile set_profile get_notifications

Configuration

Claude Desktop — edit your config file:

{
  "mcpServers": {
    "spendlog": {
      "command": "npx",
      "args": ["-y", "--package=spendlog", "spendlog-mcp"]
    }
  }
}

Claude Code:

claude mcp add spendlog -- npx -y --package=spendlog spendlog-mcp

Environment variables

Variable

Description

Default

SPENDLOG_LANGUAGE

en or de

en

SPENDLOG_DATA_DIR

Data directory path

~/.spendlog

DATABASE_PATH

Full path to SQLite database

$SPENDLOG_DATA_DIR/spendlog.db

SPENDLOG_PROJECT

Default project for all transactions

none

Privacy

All data stays on your machine, in a local SQLite file. No account, no cloud, no telemetry — nothing is ever sent anywhere.

Note: Spendlog is a cost tracker, not accounting software. Use it for your own insights, not official bookkeeping or tax filing.

Development

TypeScript (strict), Vitest for tests, TypeORM + SQLite for storage.

git clone https://github.com/makz81/spendlog.git
cd spendlog
npm install
npm run dev       # MCP server with watch mode
npm run test      # 382 tests
npm run typecheck # type check (no emit)

See CONTRIBUTING.md for architecture details and how to add new tools.

License

MIT

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

Related MCP Connectors

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