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Avenir Mcp

io.github.mathbeal/avenir-mcp · v0.8.0

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

Connect Runs on your machine

Terminal
claude mcp add avenir-mcp -e YNAB_API_KEY=<YNAB_API_KEY> -e AVENIR_MCP_WRITE=<AVENIR_MCP_WRITE> -- uvx avenir-mcp==0.8.0
claude_desktop_config.json
{
  "mcpServers": {
    "avenir-mcp": {
      "command": "uvx",
      "args": [
        "avenir-mcp==0.8.0"
      ],
      "env": {
        "YNAB_API_KEY": "<YNAB_API_KEY>",
        "AVENIR_MCP_WRITE": "<AVENIR_MCP_WRITE>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "avenir-mcp": {
      "command": "uvx",
      "args": [
        "avenir-mcp==0.8.0"
      ],
      "env": {
        "YNAB_API_KEY": "<YNAB_API_KEY>",
        "AVENIR_MCP_WRITE": "<AVENIR_MCP_WRITE>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "avenir-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "avenir-mcp==0.8.0"
      ],
      "env": {
        "YNAB_API_KEY": "<YNAB_API_KEY>",
        "AVENIR_MCP_WRITE": "<AVENIR_MCP_WRITE>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
YNAB_API_KEY
Required, secret
Your YNAB personal access token (YNAB > Account settings > Developer settings).
AVENIR_MCP_WRITE
Optional
Set to 1 to expose the write tools; read-only otherwise.

Details

Package[email protected] (PYPI, stdio)
First published25 Oct 2026
Last updated25 Oct 2026
Registry nameio.github.mathbeal/avenir-mcp

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