MCP.Market

Ynab MCP server

online · 100% uptime
by smirnovlabs.com·com.smirnovlabs/ynab-mcp-server·v2.0.0·2 stars
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Hosted remote MCP server for YNAB on Cloudflare Workers with OAuth

A87/100grade A
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Safety scan
A87/100

full report

Adoption
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2 stars

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Ynab tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.9 · 2026-09-23 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 401ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenancelast push 47 days ago12/15
  • Maintainer identitynamespace and repository owner differ; GitHub account older than a year5/10
Overall 87/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Ynab compares

Against every graded Developer tools MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
87/100
higher than 73% of 1,119 Developer tools servers
Uptime
100%
of our recent checks; the typical remote Developer tools server answers 100%
Response time
198 ms
faster than 60% of 443 Developer tools servers
GitHub stars
2
more than 65% of 855 Developer tools servers

Install Ynab in Claude Code, Cursor or VS Code

claude mcp add --transport http ynab-mcp-server https://mcpforynab.smirnovlabs.com/mcp
Add to Cursor

What the publisher says

From the Ynab repository's README, as published. We do not edit it. Read it on GitHub

ynab-mcp-server

Connect YNAB to ChatGPT or Claude with a hosted MCP server.

Use this if you want your AI assistant to read your YNAB plans, accounts, categories, payees, and transactions after you sign in with your own YNAB account.

What You Need

  • a YNAB account
  • the hosted MCP URL: https://mcpforynab.smirnovlabs.com/mcp
  • ChatGPT or Claude with support for custom MCP connectors

Quick Start

  1. Get your hosted MCP URL.
  2. Add that URL in ChatGPT or Claude.
  3. Click Connect.
  4. Sign in with YNAB when prompted.
  5. Return to your chat and start asking YNAB questions.

Set Up in ChatGPT

These steps are for the ChatGPT web app.

As of March 25, 2026, OpenAI requires developer mode for custom MCP connectors.

Before you start

  • You need a ChatGPT plan that supports custom MCP connectors.
  • If you are on a workspace plan, your admin may need to enable developer mode first.
  • You need this hosted MCP URL: https://mcpforynab.smirnovlabs.com/mcp.

Step-by-step

  1. Open chatgpt.com.
  2. Open Settings.
  3. Enable developer mode if it is not already enabled.
  4. Go to Apps or Connectors and choose to create a custom app or connector.
  5. Paste your hosted MCP URL.
  6. Choose OAuth if ChatGPT asks for an authentication method.
  7. Save or create the connector.
  8. Start a new chat.
  9. Open the tools menu and enable the new connector.
  10. When redirected, sign in with YNAB and approve access.
  11. Return to ChatGPT and send a test prompt.

Good first prompts

  • Show me the balances of all my plan accounts.
  • List my plan categories with available amounts.
  • Find my most recent grocery transactions.
  • What were my largest spending categories last month?

Set Up in Claude

These steps are for claude.ai.

As of March 25, 2026, Anthropic supports remote MCP connectors in the Connectors settings.

Before you start

  • You need a Claude plan that supports remote MCP connectors.
  • You need this hosted MCP URL: https://mcpforynab.smirnovlabs.com/mcp.
  • If you are on Claude Team or Enterprise, your workspace owner may need to add the connector first.

Step-by-step for Claude Pro or Max

  1. Open claude.ai.
  2. Open Settings.
  3. Open Connectors.
  4. Click Add custom connector.
  5. Paste your hosted MCP URL.
  6. Save the connector.
  7. Click Connect.
  8. When redirected, sign in with YNAB and approve access.
  9. Start a new chat.
  10. Use the + menu to enable the connector for that conversation.
  11. Send a test prompt.

Step-by-step for Claude Team or Enterprise

  1. Ask your workspace owner to open Organization settings -> Connectors.
  2. Have them add the custom connector using your hosted MCP URL.
  3. After that is done, open your own Claude settings.
  4. Go to Connectors.
  5. Find the new custom connector.
  6. Click Connect.
  7. When redirected, sign in with YNAB and approve access.
  8. Start a new chat.
  9. Use the + menu to enable the connector for that conversation.
  10. Send a test prompt.

Good first prompts

  • Show me my current account balances in YNAB.
  • What categories are overspent right now?
  • Find transactions from Amazon in the last 30 days.
  • Summarize my spending by category this month.

What Happens When You Connect

  1. ChatGPT or Claude connects to the hosted MCP URL.
  2. The MCP server sends you to YNAB sign-in.
  3. You approve access to your YNAB account.
  4. The service stores the OAuth tokens needed to make future YNAB requests on your behalf.
  5. Your assistant can then use YNAB tools and resources in chat.

Troubleshooting

The connector does not appear in ChatGPT

  • Confirm your plan supports custom MCP connectors.
  • Confirm developer mode is enabled.
  • If you are on a workspace plan, confirm your admin enabled the required settings.

The connector does not appear in Claude

  • Confirm your plan supports remote MCP connectors.
  • On Team or Enterprise, confirm your workspace owner added the connector first.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Ynab: common questions

Is Ynab MCP server safe?
Yes, by our scan: it is graded A (87/100). Read the Ynab safety report
How do I install Ynab?
It runs remotely at mcpforynab.smirnovlabs.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Ynab need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Ynab maintained?
The last commit was 88 days ago (2026-08-08). The latest release is v2.0.0.
Is Ynab up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Ynab?
Servers from other publishers that do the same job: Scrapling MCP Server, Porkbun (official) MCP server and MCP server.
How does Ynab compare with other Developer tools MCP servers?
safety score 87/100 (higher than 73% of 1,119 Developer tools servers); uptime 100% (of our recent checks; the typical remote Developer tools server answers 100%); response time 198 ms (faster than 60% of 443 Developer tools servers). Full comparison.

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