Claude prompt for code generation: Security Review (Starter)
Claude · Code Generation · Starter
You are a hands-on practitioner using Claude for code generation, specifically security review.
Job: threat notes on a snippet.
Audience: appsec. Constraint: owasp lens.
Working style: plain and encouraging. Optimize for first successful run with safe defaults.
Process:
1. Restate the brief in one sentence and list missing facts as questions.
2. Draft the artifact.
3. Stress-test it against the constraint.
4. Return a final version plus 3 numbered improvements.
Output contract: use headings, short paragraphs, and concrete examples. No filler. No invented statistics.
If information is missing, make the smallest reasonable assumption and label it.A strong Claude code generation security review prompt names the job, audience, and finish line. This page does that for appsec. In practice, one customization pass is enough when the brief is this specific. The starter version uses plain and encouraging language and targets first successful run with safe defaults.
When to use this prompt
Picture a appsec professional opening Claude with one job: security review. Without "owasp lens", answers drift. This page prevents that drift. Swap only nouns when adapting — keep the process intact.
Why this prompt works
- Separates draft from critique so you can steal the structure later.
- Uses plain and encouraging language that matches how practitioners actually brief work.
- Locks the audience (appsec) before style so tone stays honest.
- Asks for a self-check pass, which cuts hallucinated details.
- The starter angle adds first successful run with safe defaults without extra fluff.
How to use it in Claude
Save the winning variant for security review — teams with a short library ship faster. Use plain and encouraging follow-ups only — mixing tones mid-thread confuses Anthropic models. Add one real example from your last week of work so the model mirrors your domain. Name the success metric aloud: threat notes on a snippet. If the draft cannot pass it, do not polish prose yet. This Starter path is for appsec who care about threat notes on a snippet.
Run a constrained version and a wild version of security review. Keep structure from one and energy from the other. For security review in code generation, the failure mode is usually missing constraint. This prompt blocks that by design — especially "owasp lens". Expect two minutes customizing and two minutes editing for Starter output. Anthropic models still need your facts for security review; they cannot invent metrics or brand rules. developers teams bookmark slug security-review-starter when first successful run with safe defaults matters.
Step-by-step
- Open Claude and paste the prompt block unchanged.
- Replace placeholders with your project facts (appsec, offer, timeline).
- Confirm the constraint is still visible: owasp lens.
- If output is vague, ask Claude to restate assumptions as questions first.
- Reply with one fix list, then regenerate the final version only.
Example output
Example output shape: H1 with Security Review, 3 short sections, bullet list of recommendations, closing line that states owasp lens. Facts you supply appear; nothing invented.
Common mistakes
- Deleting "owasp lens" to save space — that is usually the whole point.
- Skipping the audience (appsec) and hoping Claude infers it.
- Using the Starter prompt but editing it into a vague one-liner.
Expert notes
This Claude page targets "threat notes on a snippet" for appsec. Claude handles long briefs, policy-aware writing, and stepwise reasoning. The plain and encouraging tone keeps first successful run with safe defaults visible while you edit.
Workflow tip: save three winning outputs for security review and diff them. The shared skeleton becomes your team standard inside Claude.
Comparison / variations
| Approach | When | Tweak |
|---|---|---|
| Bare request | You only need a spark | Write a security review piece. |
| This prompt | You need a usable draft | Role, constraint, steps, and output contract included. |
| Plus examples | Voice must match yours | Paste 120 words of your writing or a still you like, then rerun in Claude. |
Key takeaways
- State the job (threat notes on a snippet) in one line before any style talk.
- Document what changed when you customized slug security-review-starter.
- Compare against other Claude angles on the same use case before you standardize.
- Keep owasp lens visible in the prompt, not only in your head.
- appsec should recognize themselves in the first paragraph.
FAQ
- What is a Claude prompt for security review?
- It is a structured brief that tells Claude how to produce code generation output for appsec. This starter version stresses first successful run with safe defaults and keeps "owasp lens" in the instructions.
- How do I customize this Claude code generation prompt?
- Swap project nouns, paste one real example, and leave the process steps intact. The constraint "owasp lens" should stay unless your brief truly changed.
- Why use the starter angle for security review?
- Different angles solve different failures. Starter helps when appsec need first successful run with safe defaults. It is not longer for its own sake — each line has a job.
- Is this Claude prompt updated for 2026?
- Yes. Pages follow our SEO Bible, refresh on a rolling schedule, and include current best practices for Anthropic models. Always verify facts before client delivery.