YNAB MCP Server

Enables interaction with You Need A Budget (YNAB) through their API, allowing users to manage budgets, accounts, categories, transactions, payees, and scheduled transactions through natural language.

→ jeangnc/ynab-mcp-server · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

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.

// known CVEs in dependencies1 critical2 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@4.0.16GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.25.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.25.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

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

🔐 secretYNAB_API_TOKEN— export ="your-token-here"

// 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/jeangnc-ynab-mcp-server-61f1po)](https://m8ven.ai/mcp/jeangnc-ynab-mcp-server-61f1po)

commit: fb8ebe8f705a57a6d7b007772d575770039174d1

code hash: e8cd3e0aa6ebbad321f1dd9d957d2122f20d7e868b1f51a8c1deb311b33953eb

verified: 6/18/2026, 11:31:30 AM

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