# Criterion Definition

> Extract evaluation criteria from research goals and candidate alternatives.

- Skill: `yogsoth-ai/criterion-definition` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add yogsoth-ai/criterion-definition`
- Raw SKILL.md: https://api.skillmd.com/api/skills/yogsoth-ai/criterion-definition/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Research & Search
- Author: yogsoth-ai (https://skillmd.com/u/yogsoth-ai)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/yogsoth-ai/criterion-definition

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# Criterion Definition

Extract structured evaluation criteria from research goals and candidate alternatives, ensuring criteria are complete, mutually exclusive, and measurable.

## Execution

Subagent receives research goals and candidate list, outputs a standardized set of evaluation criteria.

## Why Subagent

Criteria extraction requires domain knowledge reasoning and completeness checking; independent context avoids interference from candidate details.

## HARD-GATE

Output criteria count must be between 3-12, and each criterion must include name, definition, unit of measurement, and direction (higher-is-better / lower-is-better).

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## Available SOPs

Optional, no fixed order; the final leaf is always a sop.

| SOP | When to use |
| --- | --- |
| spawn-agent | Spawn a customized CC subagent with full MCP tool access. Used by SOPs that declare execution: subagent. |

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