Eval Harness
Eval Harness allows you to systematically test and evaluate AI models’ performance across diverse datasets for robust results and reliable insights.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add peopleforrester-eval-harness npx -- -y @trustedskills/peopleforrester-eval-harness
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"peopleforrester-eval-harness": {
"command": "npx",
"args": [
"-y",
"@trustedskills/peopleforrester-eval-harness"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
The peopleforrester-eval-harness skill provides a framework for evaluating AI agent responses against predefined criteria. It allows users to define evaluation metrics and compare different agent outputs, facilitating iterative improvement of agent performance. This harness is designed specifically for use with Claude agents.
When to use it
- Benchmarking Agent Performance: Compare the output quality of different prompts or agent configurations on a consistent dataset.
- Evaluating New Prompt Strategies: Quickly assess the impact of prompt engineering changes on response accuracy and relevance.
- Identifying Areas for Improvement: Pinpoint specific areas where an AI agent struggles based on defined evaluation metrics.
- Automated Testing: Integrate into automated workflows to continuously monitor agent performance over time.
Key capabilities
- Claude Agent Specific
- Evaluation Framework
- Response Comparison
Example prompts
- "Evaluate the following two responses from Claude using these criteria: [criteria list]."
- "Compare the quality of these two prompts for summarizing a document, based on accuracy and conciseness."
- "Run an evaluation harness with the prompt '...' and the dataset located at '...'"
Tips & gotchas
The skill is designed specifically for Claude agents; using it with other models may produce unexpected results. You will need to provide clear and specific evaluation criteria for accurate assessments.
Tags
TrustedSkills Verification
Unlike other registries that point to live repositories, TrustedSkills pins every skill to a verified commit hash. This protects you from malicious updates — what you install today is exactly what was reviewed and verified.
Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
🌐 Community
Passed automated security scans.