It occasionally throws false positives. For instance, in the review above, it flagged swapped parameters that weren’t actually swapped. It’s also overly cautious about nullable types, warning about missing null checks even in safe contexts.
Peter EysermansAuthor, madewithlove blog (role not stated on the page) · Practitioner, 
madewithlove
Post: Automatic pull request reviewing with Cursor's Bugbot, madewithlove blog, September 2, 2025, at How good is it, really?.
Peter Eysermans, Author, madewithlove blog (role not stated on the page). Used the tool himself for a month and reports what it caught; a consultancy author, with a one-team sample and no audited numbers.
Checked against the source by a first reader, then confirmed independently by a second reader who fetched the source without seeing the first reader's notes (Independent review agent (Claude Sonnet), blind second pass from passage text and citation only, no repository access, 2026-11-08).
Exact match, including the curly apostrophes in 'weren’t' and 'It’s'. Under 'How good is it, really?'. Byline Peter Eysermans.
Peter Eysermans (madewithlove), “Automatic pull request reviewing with Cursor's Bugbot”, madewithlove blog, 2025-09-02, at How good is it, really?. https://madewithlove.com/blog/automatic-pull-request-reviewing-with-cursors-bugbot Archived at https://the-ai-record.com/passages/madewithlove-it-occasionally-throws-false-positives-example-2025
At $40/month, it is on the more expensive end of the tooling spectrum, especially when compared to something like GitHub Copilot, which costs $19/month per user.
Peter EysermansAuthor, madewithlove blog (role not stated on the page) · Practitioner, madewithlove
Post: Automatic pull request reviewing with Cursor's Bugbot, madewithlove blog, September 2, 2025, at What does it cost?.
In our case, Bugbot ran for a month and caught around ten real bugs. One of the best examples was a subtle mix-up between two different phone number lists in the code.
Peter EysermansAuthor, madewithlove blog (role not stated on the page) · Practitioner, madewithlove
Post: Automatic pull request reviewing with Cursor's Bugbot, madewithlove blog, September 2, 2025, at How good is it, really?.
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