harvest-mcp-server

Instructions

Implementation Reference

• src/tools/invoices.ts:94-112 (handler)

  Implementation of the DeleteInvoiceHandler class which executes the deletion logic.

  class DeleteInvoiceHandler implements ToolHandler {
    constructor(private readonly config: BaseToolConfig) {}
  
    async execute(args: Record<string, any>): Promise<CallToolResult> {
      try {
        const inputSchema = z.object({ invoice_id: z.number().int().positive() });
        const { invoice_id } = validateInput(inputSchema, args, 'delete invoice');
        
        logger.info('Deleting invoice via Harvest API', { invoiceId: invoice_id });
        await this.config.harvestClient.deleteInvoice(invoice_id);
        
        return {
          content: [{ type: 'text', text: JSON.stringify({ message: `Invoice ${invoice_id} deleted successfully` }, null, 2) }],
        };
      } catch (error) {
        return handleMCPToolError(error, 'delete_invoice');
      }
    }
  }

• src/tools/invoices.ts:203-217 (registration)

  Registration of the delete_invoice tool within the registerInvoiceTools function.

  {
    tool: {
      name: 'delete_invoice',
      description: 'Delete an invoice permanently. This action cannot be undone and will remove all associated billing data.',
      inputSchema: {
        type: 'object',
        properties: {
          invoice_id: { type: 'number', description: 'The ID of the invoice to delete' },
        },
        required: ['invoice_id'],
        additionalProperties: false,
      },
    },
    handler: new DeleteInvoiceHandler(config),
  },