I Stopped Fixing Bugs Myself and Built an AI to Do It Instead

Every developer knows this pain. A bug gets filed and suddenly someone has to drop everything, read the issue, search through the codebase, figure out what broke, write a fix, add tests, open a PR and report back. It’s all manual work that takes time away from things that actually need a human brain. I kept asking myself one simple question, how much of this work can an agent handle on its own? That’s how BugFixer came about. BugFixer is an AI agent that works inside GitLab using Claude. You file a bug report, assign BugFixer to the issue and walk away. The agent reads the issue, looks through the codebase, finds the problem, writes a fix with tests, opens a merge request and comments back explaining what it did. Nothing gets merged automatically, you still review and approve. BugFixer does the work, you make the final call. In my demo, I filed a bug about passwords being stored as plain text in an authentication file. After assigning BugFixer, it found three vulnerable functions, repl