io.github.mathbeal/avenir-mcp MCP Server

io.github.mathbeal/avenir-mcp

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What is the io.github.mathbeal/avenir-mcp MCP server?

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

How to install io.github.mathbeal/avenir-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

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

~/Library/Application Support/Claude/claude_desktop_config.json

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