YNAB Budget MCP
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| YNAB_ACCESS_TOKEN | Yes | Your YNAB Personal Access Token from YNAB developer settings. | |
| YNAB_ENABLE_WRITES | No | Set to 'true' to enable the experimental write workflow. Leave unset for read-only mode. | false |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| ynab_list_plansA | List the YNAB plans available to the configured token. |
| ynab_get_budget_snapshotA | Get a high-level snapshot of a YNAB plan for a given month, including month details, account totals, and category highlights. |
| ynab_list_accountsB | List accounts for a YNAB plan. |
| ynab_list_categoriesA | List category groups and categories for a YNAB plan, with optional month context. |
| ynab_list_transactionsA | List transactions for a YNAB plan with optional date, month, account, category, payee, and limit filters. |
| ynab_get_month_categoryB | Get one exact category for one exact YNAB plan month. |
| ynab_list_scheduled_transactionsA | List and project scheduled YNAB transaction occurrences through a bounded date horizon. |
| ynab_list_payeesA | List payees for a YNAB plan. |
| ynab_preview_assignmentsA | Freshly validate exact category assignment deltas and create a short-lived preview token without changing YNAB. |
| ynab_apply_assignment_previewA | Apply a short-lived assignment preview token only after the user explicitly approves the exact preview. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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