ynab-mcp
A Model Context Protocol server that enables Claude to interact with YNAB budgets, including listing budgets, accounts, transactions, and category spending.
README
ynab-mcp
A Model Context Protocol (MCP) server for YNAB (You Need A Budget) that allows Claude to interact with your budgets.
Features
| Tool | Description |
|---|---|
list_budgets |
List all budgets available to your YNAB account |
list_accounts |
List all accounts within a specific budget |
get_transactions |
Fetch transactions for an account with optional date filtering |
get_spending_by_category |
Get aggregated spending totals by category |
get_categories |
Get budget categories with allocated amounts, activity, and remaining balance |
get_category_transactions |
Get transactions for a specific category |
Setup
1. Get your YNAB Personal Access Token
- Go to YNAB Developer Settings
- Click "New Token" and copy the generated token
2. Install dependencies
bun install
3. Configure Claude Desktop
Edit your Claude Desktop config file:
- macOS:
~/Library/Application Support/Claude/claude_desktop_config.json - Windows:
%APPDATA%\Claude\claude_desktop_config.json
Add the YNAB MCP server:
{
"mcpServers": {
"ynab": {
"command": "bun",
"args": ["/path/to/ynab-mcp/index.ts"],
"env": {
"YNAB_ACCESS_TOKEN": "your-personal-access-token-here"
}
}
}
}
4. Restart Claude Desktop
After saving the config, restart Claude Desktop to load the MCP server.
Usage
Once configured, you can ask Claude things like:
- "What budgets do I have in YNAB?"
- "Show me my accounts in my main budget"
- "What transactions have I made in my checking account this month?"
- "How much did I spend on groceries last month?"
- "What are my category balances for December?"
- "Show me all restaurant transactions this year"
Development
Run the server directly for testing:
YNAB_ACCESS_TOKEN=your-token bun index.ts
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