Write tests that catch real bugs
Tests that fail when something is actually broken.
- Review code before you merge
- Find and fix bugs
- Write tests that catch real bugs
- Build a web app
- Deploy and run your app
- Check code for security problems
- Build AI agents and LLM apps
- Create your own skill or plugin
Need more than one? The Coding agent essentials stack — 6 skills for this kind of work, added in one go.
- code-testing-agent
Generate or add unit tests for existing code, from one function to a complete project-wide suite.
- tdd
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
Why this one: Red-green-refactor; ~1M installs on skills.sh
- automating-api-testing
Test automate API endpoint testing including request generation, validation, and comprehensive test coverage for REST and GraphQL APIs.
- test-suite-architect
Establish world-class QA testing processes for any software project using proven methodologies from Google Testing Standards and OWASP security best practices.
- unit-test
Improves unit test coverage on demand — discovers testing gaps via a reconnaissance agent and writes new tests that follow project…
- subagent-testing
Test skills via TDD in fresh subagents.
- unit-test-utility-methods
Provides patterns for testing utility classes, static methods, and helper functions.
- javascript-testing-patterns
Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking,…
- test-generator
Generate comprehensive test boilerplate following project TDD conventions.
- test-driven-dev
Test-driven development with red-green-refactor loop.
- unit-test-generator
Automatically generates comprehensive unit tests for functions, classes, and modules.
- rtk-tdd
Enforces TDD (Red-Green-Refactor) for Rust development.
See all 36 for “Write tests that catch real bugs”
Connectors (MCP servers) link your AI to an outside tool or service — a different kind of add-on from a skill.
- app.netlify.micropay-test-suite/micropay-test-suite
Verify your agent's x402 payment flow for free on Base Sepolia testnet before real money moves.
- Bright Security
Enables AI agents to access Bright Security tools for app discovery and security testing.
- com.feode/feode-mcp
FEODE: AI-accessible precision machining & testing; offshore P&A, subsea wellhead, drill-pipe
- com.httpstatus/mcp-server
AI-callable tools for API mocking, testing, monitoring, security, and automation.