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AgentV Eval Builder

Generates and maintains structured YAML evaluation files for testing AI agent performance and response accuracy.

SkillSecurity TestingAi Agent

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Key features

  • Schema-validated YAML generation for structured agent test cases
  • Configuration of LLM judges for qualitative response assessment
  • Support for multi-role conversation threading including system, user, assistant, and tool roles
  • Sequential evaluator chaining for multi-stage testing workflows
  • Integration of custom code-based evaluators for programmatic validation

Use cases

  • Creating regression tests for agent workflows using real-world file inputs and expected outcomes
  • Implementing automated quality gates that combine programmatic unit tests with LLM-based reasoning
  • Benchmarking a new AI agent's performance against specific coding or reasoning tasks

FAQ

When should I use this skill?

Use this skill when you are developing Agentic AI and need to benchmark performance. It is ideal for creating new evaluation suites, adding specific test cases, or configuring custom LLM judges and code-based validators for your testing pipeline.

How does this skill improve my AI development workflow?

It automates the creation of schema-validated test files, reducing manual configuration errors. By supporting evaluator chaining and multi-role conversation threading, it allows you to build complex, reliable, and repeatable testing workflows for any LLM application.

What is the AgentV Eval Builder skill?

AgentV Eval Builder is a specialized tool for Claude Code designed to generate and maintain structured YAML evaluation files. It helps developers create rigorous test cases to measure AI agent performance, response accuracy, and behavior across various scenarios.

Does it support custom validation logic?

Yes. You can configure 'Code Evaluators'—scripts that validate agent outputs programmatically via JSON contracts—and 'LLM Judges' that use language models to perform qualitative assessments of the agent's responses.

What capabilities does AgentV Eval Builder provide?

The skill provides schema-validated YAML generation, support for system/user/assistant/tool roles, and the ability to integrate programmatic code evaluators or LLM-based judges. It also allows for sequential evaluator chaining to perform multi-stage validation.