A method for application operational monitoring may include an operational monitoring computer program: (1) ingesting a plurality of service level indicator (SLI) metrics for an application, each SLI metric identifying a number of successful observations and a number of total observations; (2) calculating a SLI score for each SLI metric based on the number of successful observations and the number of total observations for the SLI metric; (3) weighting the SLI score for each SLI metric; (4) combining the weighted SLI scores into an application SLI score; (5) calculating a calculated error budget based on the application SLI score; (6) determining that the calculated error budget exceeds an error budget for the application; (7) generating a notification in response to the calculated error budget breaching the error budget; and (8) causing implementation of a restriction on the application, wherein the restriction prevents enhancements to the application.