Koskamo

MCP Server for YNAB

Connects AI assistants like Claude or Cursor to the YNAB API. It exposes budget health, spending analysis, and cleanup queue tools. By default, it is read-only; writes are disabled unless the YNAB_ALLOW_WRITES environment variable is set, ensuring safety against unintended budget changes.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

MCP Server for YNAB logo, by hs737Community listingLocal stdioSource reviewed; not executedPublished by hs737
You need:Generate a personal access token at app.ynab.com/settings/developercurl -LsSf https://astral.sh/uv/install.sh | sh
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 2 GitHub stars

What you can do with it

  • Ask questions about budget health and overspending
  • Analyze recurring subscription costs
  • Review cleanup queues for duplicate transactions
  • Make reversible changes to budget categories

Source and maintenance

Community listingRegistry 0.4.0Apache-2.0
mcp-registry: io.github.hs737/mcp-server-for-ynab@0.4.0Source repositoryProject website
Last repository push
Latest release
v0.4.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

mcp-server-for-ynab 0.4.0

pypiuvx
mcp-server-for-ynab package definition
{
  "version": "0.4.0",
  "transport": "stdio",
  "identifier": "mcp-server-for-ynab",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "environmentVariables": [
    {
      "name": "YNAB_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "YNAB personal access token from app.ynab.com/settings/developer."
    },
    {
      "name": "YNAB_PLAN_ID",
      "format": "string",
      "description": "Default plan (budget) id, so tools do not need it passed on every call."
    },
    {
      "name": "YNAB_ALLOW_WRITES",
      "format": "string",
      "description": "Set to 1 to register the write tools. Unset means read-only, and the write tools are absent from tools/list entirely."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "mcp-server-for-ynab": {
      "command": "uvx",
      "args": [
        "mcp-server-for-ynab==0.4.0"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_YNAB_API_KEY>",
        "YNAB_PLAN_ID": "<YOUR_YNAB_PLAN_ID>",
        "YNAB_ALLOW_WRITES": "<YOUR_YNAB_ALLOW_WRITES>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "mcp-server-for-ynab": {
      "command": "uvx",
      "args": [
        "mcp-server-for-ynab==0.4.0"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_YNAB_API_KEY>",
        "YNAB_PLAN_ID": "<YOUR_YNAB_PLAN_ID>",
        "YNAB_ALLOW_WRITES": "<YOUR_YNAB_ALLOW_WRITES>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "mcp-server-for-ynab": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-server-for-ynab==0.4.0"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_YNAB_API_KEY>",
        "YNAB_PLAN_ID": "<YOUR_YNAB_PLAN_ID>",
        "YNAB_ALLOW_WRITES": "<YOUR_YNAB_ALLOW_WRITES>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "mcp-server-for-ynab": {
      "command": "uvx",
      "args": [
        "mcp-server-for-ynab==0.4.0"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_YNAB_API_KEY>",
        "YNAB_PLAN_ID": "<YOUR_YNAB_PLAN_ID>",
        "YNAB_ALLOW_WRITES": "<YOUR_YNAB_ALLOW_WRITES>"
      }
    }
  }
}

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