MCP server

avenir-mcp

Repository:: github.com/mathbeal/avenir-mcp
Homepage:: avenir-mcp.pages.dev/avenir-mcp/
Stars:: 4
Last push:: 2026-10-27
License:: MIT

Unofficial MCP server for YNAB: read-only by default, every change previewed and undoable.

Good fit for

One-command install
Runs fully local
MIT license

Facts

Category: Finance
Pricing: Unknown
Authentication: API key
Transport: stdio
Hosting: Local
Maker: Unknown
Access: Unknown
Language: Python
Install method: uvx
Operating system: macOS, Windows, Linux
Client: Unknown
License: Permissive
Maintenance: Active

Install

claude mcp add --env 'YNAB_API_KEY=<YOUR_VALUE>' --transport stdio avenir-mcp -- uvx avenir-mcp

Paste into claude_desktop_config.json

{
  "mcpServers": {
    "avenir-mcp": {
      "command": "uvx",
      "args": [
        "avenir-mcp"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_VALUE>"
      }
    }
  }
}

Paste into ~/.cursor/mcp.json

{
  "mcpServers": {
    "avenir-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "avenir-mcp"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_VALUE>"
      }
    }
  }
}

Paste into .vscode/mcp.json

{
  "servers": {
    "avenir-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "avenir-mcp"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_VALUE>"
      }
    }
  }
}

{
  "mcpServers": {
    "avenir-mcp": {
      "command": "uvx",
      "args": [
        "avenir-mcp"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_VALUE>"
      }
    }
  }
}

[mcp_servers.avenir-mcp]
command = "uvx"
args = ["avenir-mcp"]
env = { YNAB_API_KEY = "<YOUR_VALUE>" }

{
  "mcpServers": {
    "avenir-mcp": {
      "command": "uvx",
      "args": [
        "avenir-mcp"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_VALUE>"
      }
    }
  }
}

Env vars and secrets

YNAB_API_KEYEnv varSecret
Your YNAB personal access token (YNAB > Account settings > Developer settings).

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Score: 64

Popularity: 19
Maintenance: 100
Trust: 73
Completeness: 90
Community: 50

Formula version 1

Listed in:

Official MCP Registry, awesome-mcp-servers.

Data from the Official MCP Registry.