Why AI needs better bug descriptions
When you tell a colleague "the login button doesn't work," they can ask follow-up questions, look at your screen, check the logs, and eventually figure it out. An AI coding tool cannot do any of that. It gets one shot at understanding the problem based on what you give it.
According to a CodeRabbit study of 3 million+ PRs, AI-generated fixes that fail almost always trace back to insufficient context in the prompt — not to limitations in the model itself.
The pattern is consistent: vague input produces wrong fixes. Structured input produces correct fixes. The quality of your bug description directly determines whether the AI fixes the bug or introduces a new one.
The before and after of describing a bug to AI
Here is a real example showing how the same bug can be described two ways — and why the difference matters.
Bad: vague description
"The checkout page is broken. Users can't complete their purchase. Fix it."
This tells the AI almost nothing. Which part of checkout? What happens when they try? What should happen? The AI will guess — and probably guess wrong.
Good: structured description
"On the checkout page (/checkout), tapping 'Place Order' shows a spinner for 3 seconds then returns to the cart page without completing the order. Expected: order confirmation page. The Stripe payment intent is created successfully (confirmed in dashboard). The issue is in the order submission handler in src/features/checkout/submit-order.ts. Device: iPhone 15, iOS 18.2, Safari."
This gives the AI everything it needs: the specific behavior, the expected behavior, what works and what does not, the likely file, and the environment. First-try fixes become the norm.
Key insight: An AI coding tool is only as good as its prompt. A structured bug report is a prompt — treat it like one.
The five elements of an AI-ready bug report
Every bug description you send to an AI coding tool should include these five elements. Miss one and you risk a bad fix.
- What happened — The exact behavior you observed. "Tapping Place Order shows a spinner for 3 seconds then redirects to cart." Not "checkout is broken."
- What should happen — The expected behavior. "Should navigate to /order-confirmation with the order ID." The AI cannot fix what it does not know is wrong.
- Steps to reproduce — The exact sequence. "1. Add item to cart. 2. Go to /checkout. 3. Enter test card. 4. Tap Place Order." Numbered steps, no ambiguity.
- Environment context — Device, OS version, browser/app version, network conditions. Mobile bugs are often device-specific.
- Code pointer — The file or function where the bug likely lives. "Check
submit-order.tslines 45-60." This is the single biggest time-saver for AI tools.
How to write a bug report for Cursor
Writing a bug report for Cursor requires a slightly different format than writing one for a human. Cursor works best with context-rich markdown that includes file paths and expected behavior.
## Bug: Order submission fails silently on checkout
**Observed:** Tapping "Place Order" on /checkout shows spinner
for 3 seconds, then redirects to /cart. No error shown.
**Expected:** Navigate to /order-confirmation with order ID.
**Steps:**
1. Add any item to cart
2. Navigate to /checkout
3. Enter card: 4242 4242 4242 4242
4. Tap "Place Order"
**Context:**
- Stripe payment intent created successfully (confirmed in dashboard)
- Issue likely in src/features/checkout/submit-order.ts
- Only fails on mobile Safari (works in Chrome desktop)
**Environment:** iPhone 15, iOS 18.2, Safari 18.2 How to write a bug report for Claude Code
A bug report for Claude Code follows the same structure, but you can be more conversational since Claude Code handles longer context well. Include the reasoning about what you have already tried.
The order submission on /checkout fails on mobile Safari.
When I tap "Place Order", the spinner shows for ~3 seconds,
then it redirects back to /cart without completing. No error
is displayed to the user.
The Stripe payment intent IS being created — I confirmed in
the Stripe dashboard. So the issue is after payment creation,
likely in the order completion handler.
Relevant file: src/features/checkout/submit-order.ts
I think the issue is in the handleOrderComplete function
around line 52 — it might be a race condition between the
Stripe webhook and the client-side redirect.
Environment: iPhone 15, iOS 18.2, Safari. Works fine on
Chrome desktop. How clip.qa automates this entire process
Writing structured bug descriptions by hand works, but it is slow. Every report takes 5-10 minutes to draft properly. Multiply that by 10 bugs a day and you have lost nearly two hours just writing reports.
clip.qa automates the entire process. Record a screen on your phone, and the AI extracts all five elements automatically: what happened, what should happen, steps to reproduce, device context, and suggested code pointers. The output is already formatted for Cursor and Claude Code.
The AI bug report generator analyzes each frame of your recording, identifies user actions, detects anomalies, and produces a structured report in under 30 seconds. What used to take 10 minutes of manual writing takes one tap.
This is especially powerful for the vibe coding workflow — where bugs are produced faster than you can manually document them. The AI-to-AI pipeline (clip.qa generates the report, Cursor or Claude Code fixes the bug) closes the loop without a human writing a single line of the report.
Common mistakes when describing bugs to AI
Even experienced developers make these mistakes when feeding bug descriptions to Cursor or Claude Code. Each one reduces the chance of a first-try fix.
Describing symptoms instead of behavior
"The app feels slow" is a symptom. "The product list API call takes 4.2 seconds on 3G networks" is behavior. AI tools need measurable, specific observations.
Omitting what works
Telling the AI what does work is just as important as what does not. "Stripe payment intent created successfully" narrows the problem space dramatically.
Skipping the environment
A bug that only happens on mobile Safari will never be fixed if you do not mention the browser. Always include device, OS, and browser — especially for mobile bugs.