Prompts that review code and find defects.
25votes
2answers
4.5kviews

Guardrail prompt so my coding agent stops inventing files it never read

Building an autonomous coding agent and the scariest bug wasn't a crash, it was confident fabrication: it would "edit" config/settings.py describing lines that didn't exist, because it never actually
13votes
2answers
3.1kviews

System prompt for a code-review agent that stops inventing style nitpicks

We run a review agent on every PR in CI. The first version was useless: it left 20 comments per PR, half of them were "consider renaming this variable" on code that hadn't changed, and it flagged form
14votes
1answers
2.8kviews

PR-review agent that outputs findings bucketed by severity with a fix-first ordering

Reviewers on my team were drowning in unordered agent output: a security bug buried under six style suggestions. Even good findings got missed because there was no triage. I restructured the review ag
14votes
1answers
2.7kviews

Guardrail prompt to stop an autonomous coding agent from running destructive commands

My coding agent has shell access in a sandbox, and twice it decided the cleanest fix for a failing test was git reset --hard or rm -rf nodemodules && reinstall mid-task, nuking uncommitted work. Sandb
13votes
0answers
3.1kviews

Prompt for reviewing a diff with severity levels instead of vague nitpicks

Our AI code reviews were noise: a wall of "consider renaming this" and "you could add a comment" mixed in with the occasional actual security bug, all weighted the same. People started ignoring the bo
24votes
2answers
2.8kviews

Output contract that makes the model write code future-me won't hate

My gripe isn't that AI code is wrong, it's that it is unmaintainable: 80-line functions, clever one-liners, no seams for testing, magic numbers everywhere. It passes review by looking confident. I sto