MCP Server for YNAB MCP Server

io.github.hs737/mcp-server-for-ynab

Repository Registry

What is the MCP Server for YNAB MCP server?

Connect your AI assistant to YNAB. Read-only by default, with reversible opt-in writes.

How to install MCP Server for YNAB

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
YNAB personal access token from app.ynab.com/settings/developer.
YNAB_PLAN_ID
Default plan (budget) id, so tools do not need it passed on every call.
YNAB_ALLOW_WRITES
Set to 1 to register the write tools. Unset means read-only, and the write tools are absent from tools/list entirely.

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

{
  "mcpServers": {
    "mcp-server-for-ynab": {
      "command": "uvx",
      "args": [
        "mcp-server-for-ynab"
      ],
      "env": {
        "YNAB_API_KEY": "<YOUR_YNAB_API_KEY>",
        "YNAB_PLAN_ID": "<YOUR_YNAB_PLAN_ID>",
        "YNAB_ALLOW_WRITES": "<YOUR_YNAB_ALLOW_WRITES>"
      }
    }
  }
}