If Cursor Bugbot used to comment normally, but recently it suddenly became quiet, many people's first reaction was "Is the permission dropped" or "Is the GitHub App invalid?" However, according to Cursor's current documentation, there is another very real reason for this phenomenon: the free or current plan has run out of bugbot review credits, the system will pause comments until the next billing cycle, or you upgrade your plan.
The reason why this problem is easily misjudged is that the surface phenomenon after a pause is very similar to the fault. You'll see that the PR is updated normally, and GitHub doesn't report errors, but there are no new reviews left. In fact, it may not be running but has been paused by the usage policy.
Cursor's Bugbot documentation is more straightforward about this: there is a trial period for new users, and there are corresponding limits for free tiers and different plans; After exceeding it, the review will stop, not quietly downgrade to weaker mode. In other words, once the limit is full, its performance is often "no comment at all".
The most stable way to check is:
1. Go to the Cursor dashboard to see the current Bugbot package and usage.
2. If there are a lot of PRs at the end of the month or recently, the amount of suspicion is prioritized.
3. Manually comment again in verbose mode to see if there is a clear request ID or prompt.
4. Finally, look at GitHub permissions and repository configuration.
If the manual verbose does not prompt a permission issue, and the review usage on the dashboard is close to or reaches the upper limit, then it is basically not a link failure, but a quota problem.
So Bugbot suddenly stopped commenting, not necessarily because the configuration can be fixed. Many times, you just mistake "quota suspension" for "functional failure". Looking at the plan and usage first, it will be faster than queuing GitHub first.
