Security & Testing Agent Skills for Claude Code

Generate test outlines (living documentation) and test code from natural language feature descriptions.

Guide for testing Codex TUI interactively

Verify working-tree changes against an 8-tier test pyramid.

Generate AscendC testcases that hit intended implementation semantics.

Tests Android inter-process communication (IPC) through intents for

Use when writing or changing tests, adding mocks, or tempted to add test-only methods to production code - prevents testing mock behavior…

Tests API authentication mechanisms for weaknesses including broken

Systematically assesses REST, GraphQL, and gRPC API endpoints against the OWASP

Unit testing, integration testing, and test-driven development principles.

Automatically generates comprehensive test suites (unit, integration, E2E) based on code and past testing patterns.

Testing code that calls an APIMatic-generated .NET SDK in C# — which seam to fake, covering error and edge paths, asserting real behaviour…

How to write integration tests for error processors in packages/core/src/processors/.

Manually identifies flaws in application business logic - price manipulation,

Tests web application email functionality (contact forms, password reset,

Tests JWT implementations for algorithm confusion, "none" algorithm bypass,

Identifies and exploits open redirect vulnerabilities by analyzing URL

Identifying sensitive data exposure vulnerabilities including API key

Tests web applications for reflected, stored, and DOM-based Cross-Site

Identifying and validating cross-site scripting vulnerabilities using

Discovering and exploiting XML External Entity injection vulnerabilities

How to write tests, when to use each type of test, and how to run them.