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agent-eval-harness

95 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By OneWave-AI/claude-skills (GitHub) · coding · 421 stars · scanned at commit b2267d9

Use to test whether an AI agent, prompt, or skill actually works before or after it ships — build a small eval set, score runs, and catch regressions when the prompt or model changes. Trigger when the user asks whether a prompt is good, wants to compare models or versions, sees inconsistent agent output, or is about to put an agent in front of customers.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'agent-eval-harness' ] || [ -L ~/.agents/skills/'agent-eval-harness' ]; then echo 'A skill folder named agent-eval-harness already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/OneWave-AI/claude-skills' "$d" && git -C "$d" checkout --quiet 'b2267d9171af4f56848d82992381b20b89b44056' -- 'agent-eval-harness' && mkdir -p ~/.agents/skills && cp -R "$d"/'agent-eval-harness' ~/.agents/skills/'agent-eval-harness' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'agent-eval-harness' ~/.claude/skills/'agent-eval-harness' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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