Security & Testing Agent Skills for Claude Desktop

Apply when debugging. Trace each symptom to its root cause and fix it there; reproduce first, ask why until you reach it, resist nil-check…

Fix security vulnerabilities found by a Strix pentest (open-source CLI or app.strix.ai cloud) — triage by severity, patch the root cause…

Implement data handling for Flexport supply chain data including PII

Automate Fluxguard tasks via Rube MCP (Composio).

Apply Fly.io security best practices for secrets management, private

Tests web application URL parameters for Server-Side Request Forgery by probing cloud metadata endpoints (AWS/GCP/Azure at…

Microsoft 365 / Entra ID red-team attack chain — current 2026 reality.

Expert usage of Foundry (Forge, Cast, Anvil, Chisel) for smart contract development, testing, and deployment.

Fraud risk assessment skill based on the fraud triangle with red flag detection

Assess FreePBX/Asterisk UCP login, astdb, webshell traps.

Expert in secure frontend coding practices specializing in XSS prevention, output sanitization, and client-side security patterns.

When to activate: Vitest, Testing Library, MSW, Playwright, visual regression, a11y testing, component tests, E2E tests

You are an expert software engineer specializing in writing rock-solid RSpec tests for ViewComponents in Rails applications.

Senior-QA-engineer orchestrator. Audits the entire application across every relevant role and feature using Playwright, producing a…

Orchestrator that fixes every bug found by /full-qa.

This skill enables Claude to perform automated fuzz testing on APIs to discover vulnerabilities, crashes, and unexpected behavior.

Comprehensive fuzzing operations with AFL++, libFuzzer, and OSS-Fuzz integration

Audit TanStack AI provider adapters for feature parity gaps and outdated model lists.

Guide for deploying and starting Gatling tests on Gatling Enterprise.

Build features and fix bugs using a strict Test-Driven Development workflow (Red-Green-Refactor), with regression-first bugfixing and…