An official notice, by SE, that says it's against ToS is the same thing.
Yes, I know Yoshi's stance. Don't let anyone know you run a parser.
EDIT: As for specifics, it most likely be under this:
3. PROHIBITED ACTIVITIES
In addition to the License Limitations, there are other activities that you are forbidden from doing in connection with the Game ("Prohibited Activities"). In its discretion, Square Enix may use a variety of methods to deal with violations of this User Agreement and the Prohibited Activities, including, but not limited to, any of the following:
3.2 Disruption. You may not in any way disrupt or interfere with the Game experience of other players ( I.E. using a parser to tell someone their dps is low )