web-app-penetration-testing
Pentest a web app or website end to end — black-box testing of a live URL, staging environment, or local dev server that finds and exploits real vulnerabilities (auth bypass, broken access control, IDOR, injection, XSS, SSRF, business logic) and proves each one with a working proof-of-concept instead of a signature match. Runs with Strix, either the self-hosted open-source CLI or the managed app.strix.ai cloud. Use when the user asks to pentest, hack, security-test, or audit their web app, website, web application, or staging site.
Install
git clone https://github.com/usestrix/strix /tmp/strix && ln -s /tmp/strix/skills/web-app-penetration-testing ~/.claude/skills/web-app-penetration-testing
From README
Pentest a web application Black-box (and optionally source-assisted) penetration testing of a running web app with Strix's autonomous agents. Every reported finding is validated with a working exploit, so there are no signature-based false positives to triage. , LLM , all CLI flags, and the managed-cloud alternative are covered in the penetration-testing-with-strix skill — read it if the target is not a running web app, or if strix --version fails. For a run with no Docker and no LLM key, the same binary drives the managed platform: strix cloud login, then strix cloud scans start ... (details in managed-pentesting-with-strix). This skill is the web-app-specific workflow. Confirm authorization and scope Before running anything, establish: The target is the user's (or they are explicitly authorized to test it). Never pentest a third-party site on a hunch. Which environment. Prefer staging over production; agents send real exploit payloads and will create/modify data.
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