Cursor BugBot and Copilot Coding Agents: An AI-driven review and implementation workflow

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BugBot and Copilot: AI Reviewers

Recently, while working on my Terraform modules, I had an idea: What about using BugBot to check Copilot’s Coding Agents? With Copilot Coding Agents already helping automate PRs and refactors, I decided to give BugBot a try as an additional reviewer.

The Experiment

I assigned Copilot Coding Agents to implement new features and fixes in my repositories. Once the PRs were ready, I ran BugBot to review the changes. The results were fascinating:

Copilot PR with BugBot review

BugBot quickly detected issues that Copilot’s own review had missed, especially around edge cases and variable usage. Its bug detection capabilities are on another level compared to Copilot’s built-in review features.

BugBot detailed bug report

For example, BugBot flagged overly restrictive regex validation and unused variables in a Copilot-generated PR. It provided actionable feedback, which I then relayed to Copilot for fixes.

BugBot and Copilot: AI Reviewers

Highlights

  1. BugBot excels at bug detection: It found subtle issues in Copilot Coding Agents’ PRs, providing detailed explanations and suggestions.
  2. Copilot Coding Agents excel at implementation: They quickly propose and implement solutions, and can interpret and act on BugBot’s feedback.
  3. AI is not infallible: Even with both tools, bugs or outdated code can slip through. For example, Copilot generated a workflow using a deprecated GitHub Action, and BugBot didn’t catch it either.

Workflow error: Deprecated GitHub Action

Conclusion

Combining Copilot Coding Agents and BugBot creates a powerful AI-driven review and implementation workflow. Each tool has its strengths: BugBot for deep bug detection, Copilot for rapid solution delivery. However, human oversight is still essential to catch edge cases and evolving platform changes.

Note: BugBot is a paid service for automated code reviews. My tests and experiments described here were conducted during the free trial period, which allowed me to evaluate its capabilities without incurring any cost.

References

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