eval-harness
eval harness
Claude Code
What it does
- Setting up eval-driven development (EDD) for AI-assisted workflows
- Defining pass/fail criteria for Claude Code task completion
- Measuring agent reliability with pass@k metrics
- Creating regression test suites for prompt or agent changes
- Benchmarking agent performance across model versions
- Define expected behavior BEFORE implementation
- Run evals continuously during development
Derived from the skill's own SKILL.md documentation · extracted 2026-07-23
eval-harness FAQ
What does the eval-harness skill do?
Formal evaluation framework for Claude Code sessions implementing eval-driven development (EDD) principles Setting up eval-driven development (EDD) for AI-assisted workflows Defining pass/fail criteria for Claude Code task completion
How do I install eval-harness?
Run: npx -y skills add https://github.com/affaan-m/everything-claude-code --skill eval-harness --agent claude-code — the source lives at github.com/affaan-m/everything-claude-code.
Maintain eval-harness?
Let people know it's listed here — add the badge (live metrics, light/dark aware) or a plain link to your README or docs.
[](https://getagentictools.com/skills/affaan-m-everything-claude-code-eval-harness?ref=badge) npx agentictools info skills/affaan-m-everything-claude-code-eval-harness The second line is the CLI lookup for this page — handy in READMEs and docs.