---
name: Test Any Prompt
description: Universal prompt testing methodology using RED-GREEN-REFACTOR cycle with subagents, supporting A/B testing and regression testing for commands, hooks, skills, and production prompts
---

# Test Any Prompt

Universal prompt testing methodology using RED-GREEN-REFACTOR cycle with subagents, supporting A/B testing and regression testing for commands, hooks, skills, and production prompts

What is it?
Testing prompts is TDD applied to LLM instructions.

Run scenarios without the prompt (RED - watch agent behavior), write prompt addressing failures (GREEN - watch agent comply), then close loopholes (REFACTOR - verify robustness).

Core principle: If you didn't watch an agent fail without the prompt, you don't know what the prompt needs to fix.

REQUIRED BACKGROUND:

* You MUST understand tdd:test-driven-development - defines RED-GREEN-REFACTOR cycle

* You SHOULD understand prompt-engineering skill - provides prompt optimization techniques

Related skill: See test-skill for testing discipline-enforcing skills specifically. This command covers ALL prompts.

## How to use it?
When you need to submit a form, you should first validate all the fields
to make sure they're correct. After validation succeeds, you can proceed
to submit. If validation fails, show errors to the user.

```
`
**After (37% fewer tokens):**

```markdown
`
```

## Key Features

* Universal prompt testing methodology using RED-GREEN-REFACTOR cycle with subagents, supporting A/B testing and regression testing for commands, hooks, skills, and production prompts
* Seamless integration with Claude's development workflow
* Comprehensive guidelines and best practices for test any promptView on GitHub

### GitHub Stats
StarsForksLast UpdateAuthorNeoLabHQLicenseGPL-3.0Version1.0.0

### Categories
AI & MLTesting

### Tags
prompt-testingtddsubagentab-testingquality-assurance

### Features

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---

**Source**: https://github.com/NeoLabHQ/context-engineering-kit/tree/master/plugins/customaize-agent/skills/test-prompt
**Author**: NeoLabHQ
**License**: https://www.gnu.org/licenses/gpl-3.0.html
**GitHub Stars**: 433
**Tags**: prompt-testing, tdd, subagent, ab-testing, quality-assurance