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CursorJon Kaplan, Lee Danilek & Rohan VarmaAnnouncement
Bugbot is out of beta
Summary
Cursor has released Bugbot, a code review agent that automatically analyzes pull-request changes for logic bugs, edge cases, and security issues before production. It runs automatically on pull requests, gathers context from changes to understand code intent, and comments detected issues directly where they occur. Teams can steer reviews with custom BUGBOT.md rules, then send flagged issues to Cursor or launch a background agent on the web with one click. During its beta, Bugbot reviewed over 1 million PRs and found over 1.5 million issues; more than 50% of identified bugs were resolved before merge. Cursor also reports adoption by several companies, with testimonials citing review-time savings, strong bug detection, and confidence reviewing AI-generated code.
Context
Bugbot was built to help review internal pull requests and became a core tool as Cursor continued development. The release addresses logic bugs, edge cases, and security issues that could otherwise reach production.
Approach / What changed
Bugbot runs automatically on pull requests, gathers context from code changes to understand intent, uses models and additional techniques, and comments issues directly in the pull request. Custom BUGBOT.md rules can provide codebase-specific knowledge, while flagged issues can be sent to Cursor or a web background agent.
Takeaways
Bugbot reviewed over 1 million pull requests during its beta and found over 1.5 million issues.
More than 50% of bugs identified during the beta were resolved by the time the pull request was merged.
BUGBOT.md rules let teams guide reviews with custom knowledge about their codebase.
Source and freshness
- Source
- cursor.com
- Published
- Added to Yomu
- Last updated
Summaries are generated from the original by a language model. Check the original before relying on it.
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