@jean.gnc/ynab-mcp-server

MCP server for YNAB API that allows conversational access to budgeting data.

Evaluated Mar 18, 2026 (0d ago)
Homepage ↗ Repo ↗ Finance budgeting finance AI YNAB
⚙ Agent Friendliness
74
/ 100
Can an agent use this?
🔒 Security
68
/ 100
Is it safe for agents?
⚡ Reliability
62
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
60
Documentation
80
Error Messages
--
Auth Simplicity
100
Rate Limits
50

🔒 Security

TLS Enforcement
100
Auth Strength
50
Scope Granularity
0
Dep. Hygiene
100
Secret Handling
100

No known vulnerabilities in dependencies.

⚡ Reliability

Uptime/SLA
0
Version Stability
50
Breaking Changes
100
Error Recovery
100
AF Security Reliability

Best When

Used in conjunction with AI assistants for enhanced financial management.

Avoid When

When a user prefers manual budget management without automation.

Use Cases

  • Integrating AI assistants with YNAB for financial insights
  • Managing budgets and transactions through a conversational interface

Not For

  • Users who do not use YNAB
  • Those looking for a traditional budgeting app without AI integration

Interface

REST API
Yes
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
No
Webhooks
No

Authentication

Methods: API Key
OAuth: No Scopes: No

Requires setting an API token in the environment.

Pricing

Free tier: Yes
Requires CC: No

Free to use with YNAB API token.

Agent Metadata

Idempotent
True
Retry Guidance
Documented

Known Gotchas

  • Account creation cannot be undone due to YNAB API limitations.

Alternatives

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Scores are editorial opinions as of 2026-03-18.

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