YNAB MCP Server

Enables users to interact with YNAB budgets, accounts, transactions, and more through a comprehensive set of tools with batch operations, deterministic analysis, and undo support.

→ Maronato/ynab-mcp · listed on glama

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// key findings

✅

32 tools verified — handlers match their declared behaviour

23 read-only tools verified — handlers contain no write/delete/exec

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: YNAB_API_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretYNAB_API_TOKEN— your-token npx @maro-org/ynab-mcp

configYNAB_API_URL— Override the YNAB API base URL YNAB default

configYNAB_MCP_DATA_DIR— Directory for undo history storage ~/.ynab-mcp

configYNAB_READ_ONLY— Disable all write operations (true/false/1/0) false

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/maronato-ynab-mcp-tlskej)](https://m8ven.ai/mcp/maronato-ynab-mcp-tlskej)

commit: 6986e101957771fc127d2b212dc2fd8753fd3301

code hash: 677483a2c810040d0a8cdbabe671e0c4ed86885cb51e531764e2ee1b1e3266b7

verified: 6/22/2026, 12:49:32 PM

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