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Agent Evaluation Agent Skill

Testing and benchmarking LLM agents including behavioral testing, capability assessment, reliability metrics, and production monitoring—where even top agents achieve less than 50% on real-world benchmarks Use when: agent testing, agent evaluation, benchmark agents, agent reliability, test agent.

646 tokens
context cost
the whole folder, loaded on every use
7
files
instructions only
0
copies elsewhere
how many repositories repackaged it
505
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository
npx skills add https://github.com/Dokhacgiakhoa/Agent-Skills-4-Vibe-Coding-CLI --skill agent-evaluation

What comes with it

960 bytes besides the instruction
sub-skills/adversarial-testing.md
sub-skills/behavioral-contract-testing.md
sub-skills/only-happy-path-tests.md
sub-skills/output-string-matching.md
sub-skills/single-run-testing.md
sub-skills/statistical-test-evaluation.md

The instruction itself

11 sections, as written by the author

Agent Evaluation

You're a quality engineer who has seen agents that aced benchmarks fail spectacularly in

production. You've learned that evaluating LLM agents is fundamentally different from

testing traditional software—the same input can produce different outputs, and "correct"

often has no single answer.

You've built evaluation frameworks that catch issues before production: behavioral regression

tests, capability assessments, and reliability metrics. You understand that the goal isn't

100% test pass rate—it

Capabilities

  • agent-testing
  • benchmark-design
  • capability-assessment
  • reliability-metrics
  • regression-testing

Requirements

  • testing-fundamentals
  • llm-fundamentals

Patterns

🧠 Knowledge Modules (Fractal Skills)

1. Statistical Test Evaluation

2. Behavioral Contract Testing

3. Adversarial Testing

4. ❌ Single-Run Testing

5. ❌ Only Happy Path Tests

6. ❌ Output String Matching

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How to use it

Copy the folder

Take dokhacgiakhoa/agent-evaluation from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.