Evaluate
Evaluate is an agent skill (a SKILL.md file) from Q00/ouroboros. Evaluate execution with three-stage verification pipeline. It works with Claude Code, Codex, Gemini CLI, GitHub Copilot and OpenCode and has 6,189 GitHub stars. Install it by copying the skill folder into your agent's skills directory.
github.com/Q00/ouroboros/skills/evaluate (opens in a new tab)
- Plugin marketplace
- Testing & QA
- Actively maintained
Add this skill
Claude
This repository is a Claude Code plugin marketplace. In Claude Code:
/plugin marketplace add Q00/ouroboros
/plugin install ouroboros@ouroborosIn the Claude apps, zip the evaluate folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/Q00/ouroboros.git
cp -r ouroboros/skills/evaluate .agents/skills/evaluate # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/Q00/ouroboros.git
cp -r ouroboros/skills/evaluate .cursor/skills/evaluate # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
Evaluate execution with three-stage verification pipeline Evaluate an execution session using the three-stage verification pipeline.
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What is the Evaluate skill?
Evaluate is an agent skill (a SKILL.md file) from Q00/ouroboros. Evaluate execution with three-stage verification pipeline. It works with Claude Code, Codex, Gemini CLI, GitHub Copilot and OpenCode and has 6,189 GitHub stars. Install it by copying the skill folder into your agent's skills directory. Its SKILL.md lives at github.com/Q00/ouroboros/skills/evaluate.
How do I install the Evaluate skill?
In Claude Code, run /plugin marketplace add Q00/ouroboros and then /plugin install ouroboros@ouroboros. For Codex or Cursor, copy the evaluate folder into .agents/skills/ or .cursor/skills/.
Is the Evaluate skill free?
Yes. The repository is open source under the MIT license.
Is Evaluate maintained?
The repository's most recent commit was on Oct 6, 2026. Its latest release is v0.55.6. appsgit only lists skills from repositories with a commit in the last six months.