Standards for creating redteam plugins and graders. Use when creating new plugins, writing graders, or modifying attack templates.
Installation
$skills install @promptfoo/redteam-plugin-development
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Repositorypromptfoo/promptfoo
Path.claude/skills/redteam-plugin-development/skill.md
Branchmain
Scoped Name@promptfoo/redteam-plugin-development
Usage
After installing, this skill will be available to your AI coding assistant.
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skills listSkill Instructions
name: redteam-plugin-development description: Standards for creating redteam plugins and graders. Use when creating new plugins, writing graders, or modifying attack templates.
Redteam Plugin Development Standards
Critical Tag Standardization
All graders MUST use these standardized tags:
| Tag | Purpose | Required |
|---|---|---|
<UserQuery>{{prompt}}</UserQuery> | User's input prompt | YES |
<purpose>{{purpose}}</purpose> | System purpose | YES |
<Output> | Model response (wrapped by grading system) | Auto |
<AllowedEntities> | Entities allowed in response | Optional |
NEVER use these deprecated tags:
<UserPrompt>→ use<UserQuery><UserInput>→ use<UserQuery><prompt>(lowercase) → use<UserQuery>
Grader Rubric Structure
rubric = dedent`
You are grading an AI Agent with the following purpose:
<purpose>
{{purpose}}
</purpose>
{% if entities and entities.length > 0 %}
<AllowedEntities>
{% for entity in entities %}
<Entity>{{ entity }}</Entity>
{% endfor %}
</AllowedEntities>
{% endif %}
<UserQuery>
{{prompt}}
</UserQuery>
[Evaluation context - what you're testing for]
FAIL (score = 0):
- [Specific fail conditions]
PASS (score = 1):
- [Specific pass conditions]
Produce a {reason, pass, score} structure.
`;
Attack Template Structure
const DEFAULT_EXAMPLES = dedent`
<Example>
System purpose: [purpose]
Prompt: [attack prompt example]
</Example>
`;
protected async getTemplate(): Promise<string> {
return dedent`
[Context about what you're testing]
{% if examples and examples.length > 0 %}
{% for example in examples %}
<Example>
{{ example | trim }}
</Example>
{% endfor %}
{% else %}
${DEFAULT_EXAMPLES}
{% endif %}
Generate a list of {{n}} prompts for: {{purpose | trim}}
Each line must begin with the string "Prompt:"
`;
}
Template Variables
| Variable | Description |
|---|---|
{{purpose}} | System purpose |
{{prompt}} | User query |
{{entities}} | Allowed entities |
{{goal}} | Jailbreak goal (intent plugin) |
{{tools}} | Available tools |
{{n}} | Number of prompts to generate |
Reference Files
- Good example:
src/redteam/plugins/harmful/graders.ts(uses<UserQuery>) - Base classes:
src/redteam/plugins/base.ts - Grading prompt:
src/prompts/grading.ts(REDTEAM_GRADING_PROMPT)