YNAB budget access for AI assistants: safe gated writes, month-close sessions, float attribution.
Connect Runs on your machine
claude mcp add mcp-for-ynab -e YNAB_ACCESS_TOKEN=<YNAB_ACCESS_TOKEN> -e YNAB_ALLOW_WRITES=<YNAB_ALLOW_WRITES> -- npx -y @walensis/[email protected]{
"mcpServers": {
"mcp-for-ynab": {
"command": "npx",
"args": [
"-y",
"@walensis/[email protected]"
],
"env": {
"YNAB_ACCESS_TOKEN": "<YNAB_ACCESS_TOKEN>",
"YNAB_ALLOW_WRITES": "<YNAB_ALLOW_WRITES>"
}
}
}
}{
"mcpServers": {
"mcp-for-ynab": {
"command": "npx",
"args": [
"-y",
"@walensis/[email protected]"
],
"env": {
"YNAB_ACCESS_TOKEN": "<YNAB_ACCESS_TOKEN>",
"YNAB_ALLOW_WRITES": "<YNAB_ALLOW_WRITES>"
}
}
}
}{
"servers": {
"mcp-for-ynab": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@walensis/[email protected]"
],
"env": {
"YNAB_ACCESS_TOKEN": "<YNAB_ACCESS_TOKEN>",
"YNAB_ALLOW_WRITES": "<YNAB_ALLOW_WRITES>"
}
}
}
}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
| Name | Description |
|---|---|
YNAB_ACCESS_TOKENRequired, secret | YNAB Personal Access Token (app.ynab.com → Developer Settings) |
YNAB_ALLOW_WRITESOptional | Set to 1 to enable write tools (off = read-only) |
Details
| Package | @walensis/[email protected] (NPM, stdio) |
| First published | 31 Jul 2026 |
| Last updated | 31 Jul 2026 |
| Registry name | io.github.walensis-labs/mcp-for-ynab |
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