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PenTool
Web Application Security Testing Toolkit
PenTool is a Python toolkit for authorized security testing of web apps, APIs, and source code. External scans assess TLS, ports, DNS, headers, cookies, CORS, directories, APIs, JWT/IDOR, rate limits, and CVEs. Internal analysis checks dependency vulnerabilities and freshness, then uses Claude for framework-aware code review. Cross-mode review ranks fixes; diff tracks changes between scans. Export severity-tagged findings, reproducers, coverage, and next actions as JSON, HTML, or Markdown.
Top comment
Hey Product Hunt! I built PenTool for vibe coders who are shipping apps before they’ve had time to learn security. It helps you test both sides: scan a running app from the outside and audit its source code from the inside. Run free pen tests with the open-source CLI, or use the local web UI with a one-time lifetime licence. I’d love to hear what would make it more useful for your next launch.
About PenTool on Product Hunt
“Web Application Security Testing Toolkit”
PenTool was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #417 on the daily leaderboard. PenTool is a Python toolkit for authorized security testing of web apps, APIs, and source code. External scans assess TLS, ports, DNS, headers, cookies, CORS, directories, APIs, JWT/IDOR, rate limits, and CVEs. Internal analysis checks dependency vulnerabilities and freshness, then uses Claude for framework-aware code review. Cross-mode review ranks fixes; diff tracks changes between scans. Export severity-tagged findings, reproducers, coverage, and next actions as JSON, HTML, or Markdown.
On the analytics side, PenTool competes within Open Source, GitHub and Security — topics that collectively have 113.4k followers on Product Hunt. The dashboard above tracks how PenTool performed against the three products that launched closest to it on the same day.
Who hunted PenTool?
PenTool was hunted by pjmdev. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of PenTool including community comment highlights and product details, visit the product overview.