io.github.mathbeal/avenir-mcp

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

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

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

Environment variables

YNAB_API_KEYrequiredsecretYour YNAB personal access token (YNAB > Account settings > Developer settings).

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category: Developer Tools
Version: 0.8.0
Registry: active
Published: 10/25/2026

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